In a review of 30 studies, high soy consumption was linked to a significantly lower risk of developing the disease ( 25 ). Soybeans are packed with iron about 9 mg per cup, so much so that a cup of soybeans contains 49% of the recommended daily intake of iron. Why soy is bad for males? Soy is a healthy addition to any diet and includes a slew of nutrients, vitamins, and minerals that you need to maintain a healthy lifestyle. Farr Institutedoes not provide medical advice, diagnosis, or treatment. Testing has shown that eating soy protein and foods containing soy isoflavones does not increase estrogen levels or decrease testosterone levels in men. Soy Isoflavones and Cancer Prevention.. Sometimes the voice and actions can become feminine as well for some individuals. Isoflavone Supplements for MENOPAUSAL Women: A Systematic Review.. Low testosterone can be linked to diminished sex drive, erectile dysfunction, reduced muscle mass, depression, fatigue, and osteoporosis. Soy, the man killer Gyno from too much soy protein Male breasts from hormone imbalance What happens when you eat too much soy? The truth is most studies show that soy has a slightly positive impact on human health. Soybeans are a high-protein, plant-based food containing all nine essential amino acids and packed with nutrients like fiber, iron, vitamins, minerals, and antioxidants [11]. An earlier 2021 meta-analyses of 38 clinical studies, published in Reproductive Toxicology (4), found that soy and its isoflavones also did not alter levels of total testosterone, free testosterone, or estrogens in meneven when eaten long-term at levels that exceed the amounts typically consumed in Asian cultures. Soy is similar to alcohol in this respect its probably not that bad for you when consumed in small quantities. However, the subjects involved consumed an extraordinarily high and unrealistic amount of soy on a nutrient-deficient dietabout nine times the amount consumed by most older men, The Food and Drug Administration recommends eating, for a balanced diet, equal to 2-4 servings per day, . One cup is 189 calories, 16.9g protein, 8.1g fat, and 8.1 g of fiber. However, there are probably other foods that you should focus on if your goal is to raise your bodys natural testosterone production. , U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/29300347/. 1 1.Soy for Men: The Good, the Bad, and the Ugly - Fitbit Blog; 2 2.Straight Talk About Soy | The Nutrition Source; 3 3.Is Soy Bad for Men: The Truth About Soy Products and Testosterone; 4 4.Neither soy nor isoflavone intake affects male reproductive hormones; 5 5.What Men Should Know About Soy - Herbalife Nutrition No. Antioxidant Action of Soy Isoflavones on Oxidative Stress and Antioxidant Enzyme Activities in Exercised Rats.. Lecture presented at OMICS International Conference on Alzheimers Disease and Dementia, Valencia, Spain. Its important to understand that these studies often use soy protein powders and other isolated forms of soy. But like other studies found on soys effects and benefits, more testing must be done to confirm these results. Effects on thyroid function. The authors point out that their research affirmed the conclusion of a 2010 meta-analysis (5) and that its unlikely that additional research will alter this conclusion.. Very little research has been performed on soy sauce. Soy and Health Update: Evaluation of the Clinical and Epidemiologic Literature.. Nettleton, Joyce A, et al. Because it's present in such small amounts in food, it's unlikely to be harmful. Gotoh, N., Graham, A., Nikl, E., & Darley-Usmar, V. M. (1993). Statements regarding Testosterone.org products are the opinions of the individuals making them and are not necessarily the same as those of Testosterone.org. It is really a mixture of different foods soy sauce is made from a fermented paste of soybeans, roasted grain, brine, and aspergillus oryzae or aspergillus sojae molds [20]. Journal of the American College of Nutrition,32(1), 66-74, Lao, M., Harnisch, B. Hypogonadism and erectile dysfunction associated with soy product consumption. Isolated soy protein supplements like pills and powders are not as healthy as soy foods and should not be taken for an extended period. Well, we have the science-backed evidence that gives the true answer on whether the effects of soy consumption are good or bad for mens health. Start by replacing meat with tofu or regular milk with soy milk a couple times per week. Therefore, at this time it appears safe for men to consume normal quantities of soy protein and soy products (1-2 servings daily if desired as part of a meal). The notion that the phytoestrogens in soy disrupt testosterone production and reduce its efficacy in the body might seem plausible on the surface. Soy sauce has been called mans oldest prepared seasoning [19]. My parents feel bad for my parents feel sad because I haven't received anything and they want to buy me a computer. Effect of proteolytic modification and methionine enrichment on the nutritional value of soya albumins for rats. I don't know. , MDPI, 5 Jan. 2018, www.ncbi.nlm.nih.gov/pmc/articles/PMC5793271/. No, James Cameron, Testosterone is Not a Toxin You Should Vanquish. A later study tested the effects of soy on 20 men for 83 days, and two of those men reported female-like changes in their bodies once the experiment concluded [10] . Rumors persist that soy can negatively impact mens health. , U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/23161396/. Soybeans also include omega 6, omega 3, and polyunsaturated fats, which help lower cholesterol, all necessary for a healthy heart, The isoflavone in soy may reduce inflammation of blood vessels which is beneficial to cardiovascular health, Soy isoflavone may reduce LDL, the bad cholesterol by 3% 6%, which doesnt sound like much, but every little bit helps when it comes to improving your lifestyle, Soybeans have about 10g of fiber per cup, which can help lower cholesterol in other foods, Soybeans are packed with iron about 9 mg per cup, so much so that. Red wine and green tea are two drinks that have a better track record for raising testosterone in men. For example, a recent meta-analysis found that incorporating soy milk into your diet may reduce your risk for cardiovascular disease [14]. , Oxford University Press, 1 Sept. 2010, academic.oup.com/biolreprod/article/83/3/488/2530146. Now that we know soy is not a bad guy in this story and, if taken as recommended, has no adverse effects on mens health, lets take a look at some of the basic soy facts and how this little legume can transform your diet. Soybean products can be either fermented or unfermented. For example, some studies show that soy protein isolate can deliver similar muscle mass gains to other proteins like casein when taken immediately after a workout [14]. However, the subjects involved consumed an extraordinarily high and unrealistic amount of soy on a nutrient-deficient dietabout nine times the amount consumed by most older men [1]. A literature review from 2019 found that people who eat more soy tend to have a decreased all-cause mortality risk [3]. Hone is an online clinic that helps people optimize their hormones. The myth that men develop breasts from soy sprang from thinking phytoestrogen and human estrogen are synonymous. Its recommended that you stay clear of excessive amounts of processed soy or soy supplements, which can have negative effects on your health. Soy is often used as a protein source in vegan and vegetarian diets. Isoflavones have just a tiny fraction of the strength of estrogen, says Nagra. Soy protein does not cause men to grow excess breast tissue or change the body in any way that looks more feminine. Some people think that eating soy is terrible for your health and will crush your bodies natural testosterone production. Testosterone.org follows the strictest sourcing guidelines in the health and hormone replacement industry. However, there is a lot of real-world evidence that men who consume more soy products have higher estrogen levels than men who dont. ; Soy proteins have many nutritional benefits to the body. Testosterone.org makes every effort to ensure that any information it shares complies with national and international standards for clinical trial information and is committed to the timely disclosure of the design and results of all interventional clinical studies for innovative treatments publicly available or that may be made available. Similarly, Asian men, such as those from China, India, Japan and Indonesia, consume higher amounts of soy compared to American men. Yes, Testosterone Injections Actually Build Muscle. Researchers believe that soy induces changes in the fatty acids in your bloodstream, and these changes reduce your risk for cardiovascular disease. However, the reality is far more nuanced. This was just a correlational study, meaning that people who eat soy may live longer because they are doing other things that are good for their health, such as eating a healthy diet or exercising several times per week. Taku K;Umegaki K;Sato Y;Taki Y;Endoh K;Watanabe S; Soy Isoflavones Lower Serum Total and LDL Cholesterol in Humans: A Meta-Analysis of 11 Randomized Controlled Trials., The American Journal of Clinical Nutrition. Another 18-month study found that soy protein was inferior to casein protein for raising IGF-1 levels in men [17]. Soy is used to make many different foods, including miso, tofu, temeph, soy sauce and soy protein powders. Again, dosing is an important factor here. Because men's bodies produce estrogens too but in much lower amounts. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. Soy isoflavone may reduce LDL, the bad cholesterol by 3% 6%, which doesnt sound like much, but every little bit helps when it comes to improving your lifestyle [14]. The American Cancer Society's dietary guidelines note that consumption of soy foods is not only safe but "may even lower breast cancer risk." Another study in the journal Nutrition & Metabolism has also shown that increased soy consumption correlates to a reduced risk of prostate cancer for men. Soy and soy isoflavones in prostate cancer: a systematic review and metaanalysis of randomized controlled trials. Soy products, such as milk, yogurt, and tofu, have a nutritious advantage over dairy and other animal products. Foods like tofu, tempeh, edamame, miso soup, and soy milk are made from soy, a protein isolated from soybeans. Made with testosterone. Yoon, Gun-Ae, and Sunmin Park. Chen, Li-Ru, et al. As part of your subscription and as medically indicated, physicians prescribe medications, and recommend supplements that are delivered to you from the comfort of your home. Meanwhile, another study from 2011 examined the effects of soya on one 19-year-old man who consumed large quantities of soya as part of a vegan diet. ; Although they contain phytoestrogens, soy foods do not increase the amount of estrogen in men or women. Want to make soy part of your diet? In fact, adding soy protein to a healthy diet reacts positively with the microorganisms working within the digestive tract and stomach to create a healthier environment that contributes to a healthy gut, Hamilton-Reeves JM;Vazquez G;Duval SJ;Phipps WR;Kurzer MS;Messina MJ; Clinical Studies Show No Effects of Soy Protein or Isoflavones on Reproductive Hormones in Men: Results of a Meta-Analysis.. Why is soy bad? Soy isoflavones are often thought to mimic the female reproductive hormone estrogen., and cancer risk. Several recent studies show that soy is a heart-healthy food, and decreases your risk for cardiovascular disease [4, 5, 6]. Soy has also been found to decrease your risk for gastrointestinal disease, and even cancer [8]. (1996). They believe soy isoflavone may reduce the level of testosterone thus lowering sexual function in men. Soy is a protein that is found in soybeans, a type of legume that is native to East Asia. This can have so-called "feminizing effects" which cause guys to lose their appetite for sex ( 3 ). AJ;, Michelfelder. Soy lecithin is a generally safe food additive. Toss in some fears that environmental estrogens contributed to mens declining sperm count and soy was officially protein non grata. Saturated Fat Consumption and Risk of Coronary Heart Disease and Ischemic Stroke: A Science Update.. 25 . The Food and Drug Administration recommends eating 25 grams of soy a day for a balanced diet, equal to 2-4 servings per day [2]. But is soy bad for men? However, many of the modern day foods that use soy are probably not as good for your overall health. If your goal is to maximize your testosterone levels and your physical performance, then there are probably better foods that you can eat. That being said, its very difficult to overeat soy. Soy Consumption and the Risk of Prostate Cancer: An Updated Systematic Review and Meta-Analysis. The only studies that show a negative outcome were done on people and animals who were consuming almost all of their calories from soy. , S. Karger AG, 2017, www.ncbi.nlm.nih.gov/pmc/articles/PMC5475232/. This compound can bind to estrogen receptors and mimic estrogen properties found in the human body. However, research is not considered conclusive. In fact, most studies show that soy consumed in moderation has beneficial effects on mens health as well as women and children, proving theres no reason for most people to avoid soy. The prevalence of soy as an ingredient in everyday foods will lead to excessive consumption. However, Fortunately, the effects of plant estrogens on mens health are very positive. However, taking in large amounts of highly processed soy products is probably not the best idea for most men. Soy foods can play an important role in the diets of men by providing high-quality protein and healthy fat. Numerous studies show that people who consume soy products have a lower all-cause mortality risk, and are less likely to have heart disease, type 2 diabetes or even cancer. Tossing a hunk of . Soy does not have a hidden dark side and is not a dangerous food for men. Soy has been marketed as asuperfood but there is controversy over this product. But there are other ways that men can increase testosterone naturally without worrying about increasing estrogen. The subjects testosterone levels decreased 19% during their use of soy protein powder and induced estrogen activity. Soy has been used in Asia for about 1,000 years. High soy consumption does not affect the sperm count or have any effects on testosterone levels. Here, experts get down to the bottom of the controversy, explaining the pros and cons of soy and how it can fit into a balanced diet. Urology,72(1), 220-224. doi:10.1016/j.urology.2007.11.06, Kraemer, W. J., Solomon-Hill, G., Volk, B. M., Kupchak, B. R., Looney, D. P., Dunn-Lewis, C., & Maresh, C. M. (2013). Vitale DC;Piazza C;Melilli B;Drago F;Salomone S; Isoflavones: Estrogenic Activity, Biological Effect and Bioavailability., European Journal of Drug Metabolism and Pharmacokinetics. Everyone would accept the gift, but, somehow, I feel guilty. Home Health What Most Men Get Wrong About Soy. One of the best ways you can eat high-protein soy is as a replacement for animal proteins that can be higher in saturated fat (such as red meat)thats one reason why soy is considered a heart-healthy food. Many soy products are genetically modified organisms (GMOs)Can effects digestion. Soy protein isolate is probably an ok food choice to have every now and again, and it may even be a good substitute for vegan and vegetarian athletes who still want to perform at a high level. Health Benefits of Phyllanthus Niruri- Gale of the Wind. , U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/17413118/. However, studies conducted do not clarify if these results are only in those suffering from high blood pressure or if healthy adults experience the same benefits from increased isoflavone intake. Ramdath, D Dan, et al. In other words, it did not have a big impact on the amount of testosterone or estrogen that men produce [10, 11, 12]. , but because of the estrogen-like ingredient isoflavones and the negative effect that high estrogen has on men, some jumped to the conclusion that soybean products are harmful, which is simply not true. Some people believe that soy isoflavones may raise the risk of breast or endometrial cancer. However, elevated levels of estrogen stunts muscle development, lowers testosterone, increases cortisol levels, causes gynecomastia, decreases libido, and even reduces sperm production. Speaking to reporters at the White House Thursday afternoon, Press Secretary Karine Jean-Pierre attempted to explain why WNBA player Brittney Griner was released from Russian . Soy protein: Impacts, production, and applications. About Us · Contact Us · Disclaimer · Privacy and Cookie Policy. No. Stick with 1 to 2 servings of whole soy foods (1 serving = 1 cup soy milk, cup cooked soy beans, cup edamame, 1 ounce soy nuts or 2 ounce tofu). Men in Asian countries, especially Japanese men, consume the most soybeans globally, and some eat anywhere between 60-120 grams of soy per day without any adverse side effects [3]. Soy is not toxic to cats, but it should not be . Fermented soy protein has 83% per cup, making this a great meal plan addition for athletes, weight lifters, resistance training, and anyone wanting to increase muscle mass. That's true regardless of gender. Soyfoods contain different amounts of isoflavones, and may vary with the brand, but in general, one serving of soy (8-oz soymilk, 3.5-oz tofu, 1-oz soy nuts) offers around 25 mg of isoflavones. The bottom line is soy is probably ok for men. Consumption of soy isoflavone enriched bread in men with prostate cancer is associated with reduced pro-inflammatory cytokines and immunosuppressive cells. We also dont know the long-term effects of soy sauce on mens testosterone levels. Theres no indication that tossing tofu on your stir-fry or sharing a bowl of edamame will negatively affect your hormones. Indeed, a literature review performed in 2022 found that soy is generally safe for human consumption [9]. Including the recommended amount of soy is a great way to increase your plant protein, especially for people who follow a vegetarian diet, vegans, or anyone with underlying health concerns. Cancer Prevention Research, 1-29, Moundras, C., Remesy, C., Levrat, M. A., & Demigne, C. (1995). A balanced diet containing soy may lower cholesterol, improve blood sugar and blood pressure, protect your heart from disease, and may prevent some men from developing prostate cancer. Additionally, why is soy bad for men? But there was one study conducted on humans that resulted in hormonal disturbances. Studies suggest soy's beneficial role in menopause. This includes thyroid irregularity, bladder cancer, prostate cancer and dementia, particularly those over 65. Other studies show that soy has virtually no impact on mens risk for prostate caner [13]. I'm 6'5", 240lbs. Another study performed in 2007 found that soy protein was comparable to other protein sources, like whey and casein, for helping men recover following an intense resistance training session [18]. Absolutely not! AP Photo/Susan Walsh. A study by Martinez and Lewi, however, reported a 60-year-old man who drank 6 quarts of soy . blurred vision. 99 male test subjects being treated for infertility were found to have been on a continuous soy diet for three months. Some supplement companies have started selling soy protein powders, such as soy protein isolate, to their customers. For more information about the relationship between Hone and the medical practices click here. Two studies tested this theory (Habito et al, 2000 and Mitchell et al, 2001) and found that soy intake did not have a significant effect on estrogen levels in men. No. Male hormones Low libido and muscle mass, mood changes, reduced energy levels, and poor bone health are all associated with low testosterone levels. Effect on Male Sex Hormones Because soy contains phytoestrogens, men may worry about including it in their diet. Why? Many have wondered if soy milk is bad for men, but research shows that most people assigned male at birth, as well as babies and children, are safe to eat soy. Men in Asian countries, especially Japanese men, consume the most soybeans globally, and some eat anywhere between 60-120 grams of soy per day without any adverse side effects. Numerous studies have shown that soy is an inferior source of protein and can have negative effects on men. For example, in Japan, older adults consume 30 to 50 mg per day of isoflavones, while in the U.S., its only a few milligrams per day, shows research (1). If you want to avoid GMO-based soy lecithin, you can opt for food products using the organic version of the ingredient. Why soy is bad for males? Now that you know the truth about soy, we found and answered the most common questions men are asking about the possible effects of soybean products on their health. https://www.ncbi.nlm.nih.gov/pubmed/17416779, https://www.ncbi.nlm.nih.gov/pubmed/20378106, http://www.lboro.ac.uk/service/publicity/news-releases/2008/104_tofu.html. Rizzo, Gianluca, and Luciana Baroni. There are numerous scientific studies proving that neither soy foods nor soy protein affect hormones in men in any way. Anything more than a few (10-12) will be endocrine disruptive and create an imbalance of. Soy is not bad for the gut health of humans. Your access to Testosterone.org is subject to our full disclaimer and terms of use. Soy may not be ideal for men looking to optimize their hormones and life, but its not the worst thing men can put in their bodies. Testosterone.org makes no claims that the products referenced can cure, treat or prevent any conditions, including any conditions referenced on its website or in print materials. It also contains less saturated fats than meats like beef and pork, which are essential to look out for while managing your cholesterol. Soy: A Complete Source of Protein.. Soy foods also provide a lean source of protein. Geographical differences in semen characteristics of 13 892 infertile. It has been demonstrated in studies conducted by our team and others that soy products are excellent sources of bodybuilding protein, coat-nourishing vegetable oil, and fiber for cats. It can also cause some men to have emotional mood swings reminiscent of a hormonal woman, although this effect has little scientific evidence to back it up. Some studies indicate excessive amounts of soy can cause men to become more feminine, while others indicate it may decrease the risk of prostate cancer. It was found in a 2014 study (Horgervorst 2014) that as a result, these Asian men are 10% more likely to experience erectile dysfunction. Soy does not negatively affect testosterone in men. Heres a breakdown of common soy food products to give you an idea of their nutritional value: There are several types of soybean products described as either fermented and unfermented. Isoflavone is a phytoestrogen compound found in soybeans with estrogen-like effects, but these effects are much weaker than estrogen found naturally in the body. However, soy milk is probably an ok choice for most people. However, it wasnt introduced to Europe and North and South America until the 1700s. You must consult your own medical professional. In 2014, a study done by Neacsu, Fyfe, Horgan and Johnstone found that excessive soy consumption led to infertility and erectile dysfunction. and packed with nutrients like fiber, iron, vitamins, minerals, and antioxidants, Only 10%-15% of fat from soy is saturated fat, lowering your risk of heart disease. Why soy is bad for males? Is it a good food for men who are trying to optimize their testosterone levels? These tend to have more unnecessary ingredients like sugar and salt, and if consumed in large amounts can lead to negative health effects like cardiovascular disease. Advertisement Soy milk is a very popular non-dairy milk replacement, . Soybeans are a plant-based protein with a truckload of vitamins and minerals such as potassium and antioxidants, all essential for reducing the risks of many severe conditions and chronic diseases, as well as fiber to keep you full and reduce cravings. But before you toss out your tofu, lets take a deeper look into these studies. Biochemical Journal, 296(1), 151-154. Muscle mass Soy foods are a great source of plant protein. Different types of soy products and their possible benefit and risk associated with dementia in China and Indonesia. , BioMed Central, 15 Mar. This same effect may also block the overproduction of estrogen, lowering your risk of certain cancers, but scientists must perform further research in this area [8]. Soy is also a protein powerhouse, an essential component of sports nutrition, and a necessity for vegetarians everywhere. The bottom line is soy protein powder is probably not as beneficial as whey or casein. On one hand, it's rich in nutrients, and diets containing it appear to be linked to health benefits, such as lower blood sugar. One caveat: some soy products contain estrogen-like chemicals that could have adverse effects. Soy food products are rumored to wreak havoc on mens hormone levels, and in extreme cases, cause hot flashes and the dreaded man breasts. Though soy was initially heralded as a promising superfood, the food has been plagued by rumors that it can feminize you and lead to issues like man boobs and erectile dysfunction. Americans have taken this out of control as if a lot of soy is better. Methionine deficiency in rats fed soy protein induces hypercholesterolemia and potentiates lipoprotein susceptibility to peroxidation. In one case study (2), a 19-year-old developed ED and saw his testosterone levels and libido drop after consuming the equivalent of 360 mg of isoflavones per day in the form of soy milk, soy crisps, tofu, soy sauce, soy nuts, and soybeans. I'm a 15 year old male. Eating too much soy on a daily basis can cause a man to become more feminine, such as gynecomastia, aka male breast growth or man boobs. Soy is generally a good source of protein . Estrogen is a female Hormone. But there was one study conducted on humans that resulted in hormonal disturbances. Isoflavones are antioxidant compounds that may prevent some types of cell damage, The binding effect of isoflavone that mimics estrogen may help improve bone density, improve memory impairment, and reduce hot flashes in older women, Can soy reduce the occurrence of hot flashes in menopausal women. In a review of 35 studies, soy isoflavone supplements raised estradiol (estrogen) levels in postmenopausal women by 14% ( 14 ). Manufacturers are routinely hiding soy in foods such as bread, meat products with filler (hamburgers) protein bars (Cliff bars), infant formula and other common foods. 2017, www.ncbi.nlm.nih.gov/pmc/articles/PMC5409663/. There are foods that kill testosterone and likewise, foods that increase testosterone, but soybeans and soy food products are not one of them. The main danger from soy to the thyroid is the goitrogens it contains. Will Soy Increase Estrogen Levels in Men? According to Ahn-Jarvis et al. Soy milk is made by grinding down soybeans, boiling them, and then filtering out the leftover particulates. Experiment with different soy foods and their preparations to see what you like. Its true that soy is a complete protein source, and it has been used in the diets of many Asian cultures for the past 1,000 years. People enjoy tofu, which is commonly known as 'soy paneer' in India. People think soy is bad for men because of its high isoflavone content- a type of phytoestrogen (plant estrogen). Today over half of the worlds soy is grown in the United States. One theory why: Prostate tissues contain certain estrogen receptors, and when phytoestrogens bind to and activate these receptors, it may, in part, reduce cell division to inhibit cancer development. Soy milk is probably not the best drink in the world if your goal is to raise testosterone levels. , The Korean Nutrition Society and the Korean Society of Community Nutrition, Dec. 2014, www.ncbi.nlm.nih.gov/pmc/articles/PMC4252520/. Bahadoran, Zahra, et al. Soy protein isolate packs the most protein per serving, which makes sense because it's processed to be a concentrated source of this nutrient. Journal of the American Dietetic Association, 94(7), 739-743, Elbardisi, H., Majzoub, A., Al Said, S., Al Rumaihi, K., El Ansari, W., Alattar, A., & Arafa, M. (2018). Please consult a healthcare practitioner before making changes to your diet or taking supplements that may interfere with medications. Short men can't reach high things, tend to be less strong, and in general don't project strength which is an attractive feature for men. Isoflavones have been linked to a lower risk of colon/colorectal cancer, digestive tract cancer and may protect against cancer of the large intestine, stomach, and lungs, which is the second most common cancer occurring in men worldwide. (2015), soy protein alters the physiological responsesin men and disrupts estrogen levels. Soy consumption has been Testosterone.org 2022. No. In addition to hormonal effects, serious long-term health conditions and illnesses can be attributed to high soy consumption. So, marinate and saut tofu as your main protein or toss a handful of edamame onto a salad. Heres How. After careful analysis, his soya consumption was linked to erectile dysfunction and hyposexuality. We strive to never have a piece of inaccurate information on this website. During processing, microorganisms are added to break down the nutrients in the soy, increasing the protein levels and making it easier to digest. There is, in fact, no robust evidence that soy causes elevated estrogen levels in males or indeed, has any significant effect on hormone levels. Arab Journal of Urology,16(1), 3-9, Hajos, G., Gelencsr, E., Grant, G., Bardocz, S., Sakhri, M., Duguid, T. J., Newman, A.M.,Pusztai, A. So far it looks like soy is inferior to other protein powders, such as whey or casein. In this article, we detail what soy is, explain the effects of this protein-packed legume on testosterone, and finally break down the one ingredient that started this false rumor in the first place. Overall, soy is probably an ok food for men. There are just so many foods, including animal proteins, vegetables and fruits that are better for your overall health and for your total testosterone levels. Farrinstitute is reader-supported. Soy, Soy Foods and Their Role in Vegetarian Diets.. Indeed, one recent study found that people who eat soy had lower total cholesterol, LDL cholesterol, and triglycerides [7]. He J;Gu D;Wu X;Chen J;Duan X;Chen J;Whelton PK; Effect of Soybean Protein on Blood Pressure: A Randomized, Controlled Trial.. The only studies that show a negative outcome were done on people and animals who were consuming almost all of their calories from soy. Only 10%-15% of fat from soy is saturated fat, lowering your risk of heart disease. Our focus is to exclusively link to peer-reviewed studies found on respected websites, like PubMed. Zampelas, Antonis. , German Medical Science GMS Publishing House, 15 Dec. 2014, www.ncbi.nlm.nih.gov/pmc/articles/PMC4270274/. If you want to know more about how soy consumption affects mens health issues, including low testosterone, sexual function, and prostate cancer, dont hesitate to seek professional medical advice from your local doctor or other health professionals. Extremely weakly. Large meta-analyses (4) found that soy did not affect sperm or semen in men. Phytoestrogens bind to some of the same receptors in the body that our own estrogen does, says Vancouver-based Matthew Nagra, ND, who specializes in plant-based and vegan nutrition. , MDPI, 24 Mar. Male hormones Low libido and muscle mass, mood changes, reduced energy levels, and poor bone health are all associated with low testosterone levels.The notion that the phytoestrogens in soy disrupt testosterone production and reduce its efficacy in the body might seem plausible on the surface. Eat Better Get Fit InBioenvironmental Issues Affecting Mens Reproductive and Sexual Health, 175-189, Lesinski, G. B., Reville, P. K., Mace, T. A., Young, G. S., Ahn-Jarvis, J., Thomas-Ahner, J., & Schwartz, S. J. Kimberly Langdon 318 5th St, West Des Moines, IA,5026. Choose an answer to reveal what studies have found, Isoflavone, which is found in soy, can reduce hot flashes in menopausal women, Click on your choice to reveal the answer, Soy isoflavones shows to have a greater effect on people with hypertension, Get our weekly newsletter about the most recent publications and reviews in the (2015). The Edge is Hone Healths editorial operation. Soys bad publicity stemmed from two case studies that suggested excessive amounts of the protein from soybeans appeared to impact hormones. Soy consumption in males can lower men's natural estrogen levels. The receipts: A 2022 review of 417 observational studies, clinical studies, and systematic reviews and meta-analyses in Critical Reviews in Food Science and Nutrition concluded that isoflavone intake did not impact levels of testosterone, estrogen, sperm, or semen in men (1). , U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/31278047/. The reason people say soy is bad for you is because it contains what are known as phytoestrogens. The effects of soy and whey protein supplementation on acute hormonal responses to resistance exercise in men. Soybeans are not bad for men, but because of the estrogen-like ingredient isoflavones and the negative effect that high estrogen has on men, some jumped to the conclusion that soybean products are harmful, which is simply not true. . A half-cup of raw tofu has 94 calories,10g protein, 6g of fat, and 434 mg of calcium. No. One cup has 131 calories, 8g protein, 4.3g fat, and 10g of sugar. Soy and Estrogen: How Does It Affect Men? A little bit of soy sauce here or there is probably fine. We do not provide legal advice. It may fight diabetes. Consuming soy protein provides that added boost of iron needed. There is also little evidence to suggest that soy negatively impacts mens reproductive systems. Soy is not bad for the gut health of humans. Research shows (1) that its safe to consume no more than 100 mg of isoflavones per day. All of our content is written by people with a strong science background, including medical researchers. Dietary L-ARGININE Intake and the Incidence of Coronary Heart DISEASE: Tehran Lipid and Glucose Study.. May Cause Toxic Buildup. Too much of anything, even if its healthy, could have adverse side effects and lead to health problems. This compound can bind to estrogen receptors and mimic estrogen properties found in the human body. Disclaimer: Testosterone.org does not offer medical diagnosis or treatment advice. The reduction of antinutrients during the fermentation process makes fermented soy a better option offering more of the health benefits mentioned earlier. Farmers first started growing soy in the 11th century. Though evidence supporting soy lecithin as a supplement is . Most studies show that soy milk is no better or worse for men than any other soy product. , U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/14628433/. There are also several studies showing that soy decreases your overall all-cause mortality risk, and may even reduce your risk for cardiovascular disease and certain cancers. Why soy is bad for males? May reduce menopause symptoms Since soy acts as a natural estrogen, it may help reduce these symptoms. Ahn-Jarvis, J., Clinton, S. K., Grainger, E. M., Riedl, K., Schwartz, S. J., Lee, M. L. T., & Vodovotz, Y. However, most modern-day soy products are heavily processed, and contain large amounts of phyto-estrogens which have been shown to increase estrogenic effects in men. However, animal meat plays a critical role in all human civilizations, and making the jump to a soy-based diet many not be optimal for human health. These metabolic processes also help with cognitive and physical development. Dwyer, J. T., Goldin, B. R., Saul, N., Gualtieri, L., Barakat, S., & Adlercreutz, H. (1994). A meta-analysis of 30 observational studies found that soy consumption is associated with a decreased likelihood of developing prostate cancer (8). Research clearly suggests that soy is a healthy foodand concerns can be put to rest. Disclaimer: The contents of Testosterone.org are for informational and educational purposes. Hogervorst, E. (2014). Men in Indonesia and China with tofu in their diets were found to have lower memory functions and an increased risk of dementia (Horgervorst 2014). Short women are perceived as more petite and feminine, which is an attractive trait for women. Thats at least 10 times more than people eat on average, even in cultures that consume a lot of soy. Soy milk side effects in males have a lot. Important Disclaimer: The information contained on Healthy Focus is intended for informational and educational purposes only. . Research shows that up to 100 mg of isoflavones (the equivalent to about four servings of whole soy foods per day) is safe (1). Why soy is bad for males? Clinical studies show no effects of soy protein or isoflavones on reproductive hormones in men: results of a meta-analysis, Association between consumption of soy and risk of cardiovascular disease: A meta-analysis of observational studies. The active ingredient in soy, isoflavones, behaves like estrogen. What Are Normal Testosterone Levels By Age? Today many public figures are talking about the potential benefits of adopting a plant-based diet, both for human health and for the environment. Patients suffering from any of these conditions should consult their physician prior to using prescription medication. Erectile dysfunction results from a number of factors, including low testosterone, which soy does not affect. Why soy milk is bad for males? More answers below Biglee Murali We focus on finding the most accurate information from the scientific source. This is a component that prevents the thyroid from being able to absorb iodine. We may receive commissions on purchases made through links on our site. However, if you are trying to maximize your bodies natural testosterone production, then you should probably keep soy out of your diet. No Difference Between the Effects of Supplementing With Soy Protein Versus Animal Protein on Gains in Muscle Mass and Strength in Response to Resistance Exercise. Messina, Mark. Any statements made on this website have not been evaluated by the FDA and any information or products discussed are not intended to diagnose, cure, treat or prevent any disease or illness. Goodin, S., Shen, F., Shih, W. J., Dave, N., Kane, M. P., Medina, P., Lambert, G.H., Aisner, J. Soy does not turn men into women, cause infertility, prostate cancer, man-boobs, or affect reproductive hormones. Similar to whey protein, soy may increase energy and improve recovery time during resistance exercise training and other athletic workouts. Soy can also help you build muscle. Fortunately, the effects of plant estrogens on mens health are very positive. The few clinical studies that show soy having a negative effect on hormones were performed on animals, mainly mice and rats. A later study tested the effects of soy on 20 men for 83 days, and two of those men reported female-like changes in their bodies once the experiment concluded [10]. Its important to note that taking supplements such as isolated soy protein powders and pills for an extended period of time is not recommended and may cause health problems that are not found if eating large amounts of soy foods. This is where the soy boy meme comes from men who consume too much soy often produce too much estrogen, and take on a more feminine appearance. This is something found in both soy food products as well as soy supplements. Isoflavones have been linked to a lower risk of colon/colorectal cancer, digestive tract cancer and may protect against cancer of the large intestine, stomach, and lungs [18]. Eat a variety of foods and protein sources. . To avoid soy and its detrimental effects start checking labels as an important step in maintaining male virility and health. Whey protein is another example of an iron-rich substitute but should be avoided if youre lactose intolerant. And if you believe the hype that all refined food is bad, then tofu is also bad. 13 Sneaky Signs Your Testosterone Is Too Low, Neither soyfoods nor isoflavones warrant classification as endocrine disruptors: a technical review of the observational and clinical data. Phytoestrogens are structurally similar to human estrogen and can weakly mimic or block estrogen activity in the body. During processing, microorganisms are added to break down the nutrients in the soy, increasing the protein levels and making it easier to digest. Fermented soy protein has 83% per cup, making this a great meal plan addition for athletes, weight lifters, resistance training, and anyone wanting to increase muscle mass. Is soy bad for women's hormones? world of medical research. However, soy sauce still might not be the best food for you. In fact, adding soy protein to a healthy diet reacts positively with the microorganisms working within the digestive tract and stomach to create a healthier environment that contributes to a healthy gut [21]. Jargin, Sergei V. Soy and Phytoestrogens: Possible Side Effects.. An unusual case of gynecomastia associated with soy product consumption. Natural soy products like tofu or edamame could replace red meat and other animal sources of protein higher in saturated fat," says dietitian Kathy McManus, director of the Department of Nutrition at Harvard-affiliated Brigham and Women's Hospital. Beware of sports products and snack bars, as many of them contain soy to boost protein content, and it is easy to get too much; limit intake to one per day, if any. Soy isnt the worst food in the world, and its probably ok to have once in a while. Soybeans have about 10g of fiber per cup, which can help lower cholesterol in other foods [14]. No. Medical doctors and health professionals have found that plant proteins like soy help improve multiple chronic conditions. Isoflavone pharmacokinetics and metabolism after consumption of a standardized soy and soy-almond bread in men with asymptomatic prostate cancer. Because it's present in such small amounts in food, it's unlikely to be harmful. Isoflavones are antioxidant compounds that may prevent some types of cell damage [5]. Along with the isoflavones, soy is rich in amino acids like Arginine, which helps to regulate blood flow, blood pressure levels, and may help manage heart disease [16]. But that didnt stop some from jumping to the conclusion that if soy intake has a negative impact on lab rats, they surely have similar effects on humans. The truth is somewhere in between. Still, some men worry that consuming phytoestrogens may reduce their testosterone levels. After you eat soy, the isoflavones are metabolized and then may weakly have effects like estrogen in your body, according to the Centers for Disease Control and Prevention. You should also watch out for added ingredients in some soy foods, including added sugar, excess salt, and other chemicals included in highly processed foods. Likewise, we do not provide medical advice, diagnosis, or treatment. Soy protein also supports normal blood cholesterol levels and is a good choice of high-quality, plant-based protein for those wanting to increase muscle mass. Estrogen, erroneously connotated as a female-exclusive hormone, plays an important role is the male bodys hormone equilibrium (Thrane, Paulsen, Orcutt and Krieger 2016). Iodine is crucial to the body as it helps it to produce a hormone that helps with the metabolic processes in the body. Consuming 25 grams a day of soy (about an ounce) has been found, in some studies, to decrease total and bad LDL cholesterol, making it a heart-healthy food, according to a meta-analysis published in the Journal of the American Heart Association in 2019 (7). However, soy has a bad reputation among men as many think soy foods can drastically reduce testosterone levels, make their appearance feminine, lead to poor libido, and hinder muscle growth. , U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/19524224/. The daily iron intake in soy is also significant for those with minor iron deficiencies. Myths about soybeans and soy consumption have been around for decades, but study after study proves that these rumors are absolutely not true. However, soy has a bad reputation among men as many think soy foods can drastically reduce testosterone levels, make their appearance feminine, lead to poor libido, and hinder muscle growth. (2015). Inhibition of glutathione synthesis increases the toxicity of oxidized low-density lipoprotein to human monocytes and macrophages. That's because the extraction process for soy lecithin uses hexane. But what impact does it have on mens health? What's more, soy may reduce the risk of prostate cancer in men. The growing popularity of this industrial product stems from the fact that its cheap to produce. Sustainable protein sources,23-45, van Die, M. D., Bone, K. M., Williams, S. G., & Pirotta, M. V. (2014). Fortunately, soy is one of the most researched foods in the world, so we have plenty of data to draw our conclusions from. Soy is one of the only plant foods that contains all 11 essential amino acids. There are many health benefits of soybeans and soy protein when included in a balanced diet. Promescent Has a Cytotoxic Impact on Fresh Human Sperm In Vitro. Yes. Because it's a relatively inexpensive form of protein, soy is used in many processed foods. In humans, soy consumption may contribute to leaky gut syndrome, which can cause inflammation and problems with digestion like excess gas and bloating. At that point, theres potential that youll miss out on other nutrients that you need in your diet, says Nagra. However, elevated levels of estrogen stunts muscle development, lowers testosterone, increases cortisol levels, causes gynecomastia, decreases libido, and even reduces sperm production. People have many different opinions about soy. Soy milk is a beverage that is made form soybeans the same legumes that are used to make tofu and other soy products. There are several types of soybean products described as either fermented and unfermented. Soy protein powder, as well as processed products like some meat substitutes and protein bars also include soy protein isolates, a dietary protein thats been isolated from soybeans. One study performed in 2005 found that soy sauce was actually beneficial for human health. ; Unless consumed in excess quantities, soy proteins are . If so, youre in the perfect place. The truth is soy has very little impact on mens sexual health, or their testosterone production. Rumors persist that soy can negatively impact men's health. In those reports, animals and people who were fed stupid amounts of soy developed issues like gynecomastia (man boobs) and erectile dysfunction (1). However, most modern-day soy products are heavily processed, and contain large amounts of phyto-estrogens which have been shown to increase estrogenic effects in men. Is soy lecithin bad for males? It would be very difficult for humans to consume the same amount of soy in relation to what scientists provided for the animals in these experiments. Soy is actually a complete protein source. Tossing a hunk of tofu on the grill doesnt have the same panache as a rib-eye, but thats not the reason most men looking for a protein fix steer clear of soy. The soy intake by using isoflavone supplements would be abnormally high for anyone. Overall, the research is pretty clear that soy is an ok food to eat, and it will not increase your risk for heart disease, cancer or other diseases. Soybeans are a part of the legume family. No. Problems arise when soy (or other foods) becomes the dominant food in your diet. It's in the blood. I Lost 120 Poundsand 20 Percent Body FatWith TRT, This Link Between Thryoid Issues and Low T May Blow Your Mind, Before TRT, I Watched My 10 Rep Squat Minimum Tank to 2. Soy contains isoflavones, which are phytoestrogens: plant-based compounds that have a similar structure to estrogen. Answer (1 of 5): Soy for any gender is bad news. The American journal of clinical nutrition,100(2), 548-558, Sutton, M., Hunn, C., Summers-Colquitt, R. B., Chen, S. H., Kavoussi, S. K., Kavoussi, K. M., & Kavoussi, P. K. (2018). There are those who think soy is one of the best protein sources you can use, and others who say that it is terrible for your health especially your testosterone levels. Nagra stresses that just two case studies suggested that consuming excessive amounts of soyto the point where calories came almost entirely from soymay have impacted hormones and led to problems, such as erectile dysfunction. Soybeans also include omega 6, omega 3, and polyunsaturated fats, which help lower cholesterol, all necessary for a healthy heart [12]. Not only is soy hormone-friendly, but it also provides a good source of heart-healthy unsaturated fat and fiber, as well as iron, calcium, zinc, and B vitamins, research points out (6). Hone-affiliated medical practices are independently owned and operated by licensed physicians who provide services using the Hone telehealth platform. The key word here is weakly. Soy is high in estrogen. , U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/19145965/. Research shows (9) that soy protein increases muscle mass and strength just as well as whey protein, which has long been considered the top-quality protein in the bodybuilding space, says Dr. Nagra. A study performed in 2007 found that one serving of soy protein powder lowered mens testosterone levels by 19% [16]! It's no different than V's and curves. Cumulative Meta-Analysis of the Soy Effect Over Time. The Journal of Nutritional Biochemistry,7(9), 481-487. doi:10.1016/0955-2863(96)00093-9. , and estrogen-mimicking effects. Soy is one of the most controversial foods in the world. This contributes to a weakening of muscles and bones becoming more fragile as well as a significant decrease in libido. Sucralose side effects: All You Need To Know. No. All Right Reserved. Our content is continually monitored by an internal peer-review process to ensure accuracy. . Tofu might be bad for you, because it is refined food. Heres what the science says. Neither soy nor isoflavone intake affects male reproductive hormones: An expanded and updated meta-analysis of clinical studies. Absolutely not! But these beliefs are not supported by the latest scientific evidence. 2. But what does the research say about it? Their testosterone levels increased 2 weeks after discontinuing soy consumption. But there are other ways that men can, Soy was initially shown to negatively affect male rats and mice, including lowering testosterone, decreasing sperm count, and affecting litter size, First of all, rats and mice are not humans and therefore process food differently. Wilson calls it an "urban legend," adding that if the two compounds were the same "there would be a lot of men in need of bras!". Several recent literature reviews found that soy did not have a significant impact on mens reproductive hormones. First of all, rats and mice are not humans and therefore process food differently. Male fertility is not affected by soy Some experts suggest avoiding soy for men's sexual health due to the presence of phytoestrogen. For example, people following a vegetarian or vegan diet have a high risk of developing anemia mainly because most iron in a traditional diet comes from animal protein. Soy, it turned out, contains estrogen-like compounds called isoflavones. There are numerous scientific studies proving that neither soy foods nor soy protein affect hormones in men in any way. For example, tofu, soy sauce and soy lattes are known to raise estrogen levels in men. Not only is eating soy safe for your hormones, soy is good for your hear, builds muscle, and decreases your prostate cancer risk. Prostate cancer is the most common cancer in men in the U.S., except for skin cancers, according to the American Cancer Society. It would be very difficult for humans to consume the same amount of soy in relation to what scientists provided for the animals in these experiments. 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