Soy based supplements

D_Paddy Gonia

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If sure there are plenty of guys in here who lift weights and take protein shakes (not from cocks...from the powder mix). I was reading in Mens Health that some of these protein shakes aren't made of protein but of soy and that increased soy intake can alter the hormones men produce. Some of the side effects are tender breasts, man boobs, increased emotional problems, and emotional sensitivity. Basically, taking these soy products over an extended period of time will turn a guy into a chick with a dick. If you don't believe me check it out on Mens Health's website.
 

battlepancho

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Ya protein shakes just make me blast the worst ass farts ever as well. But ya ive heard about using soy products and how it could have, i suppose, negative effects on a guy. A dude at my work loved drinking soy milk until we told him it will make his dick fall off and grow a vagina. He drinks 2% now.
 

D_Doe_Ray_Mi

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The body metabolizes soy as a phytoestrogen. A female hormone presence. Studies have shown that teen boys raised on soy products have 50% lower sperm counts on average than a control group not raised on soy. It probably has the potential to have a greater negative influence on adolescent boys than on us as adult men, but why risk the possible hormonal effects when we do so many other things to enhance our masculinity? A boy going through puberty, hormone driven development of masculine secondary sexual characteristics, needs a normal level of testosterone and not an estrogen presence. Say no to soy and please don't let your prepubescent sons consume soy. Time will tell if we have well hung masculine dudes here in a few years who swear by soy but what we know now suggests avoiding this.
 

WolvesInTheThroneRoom

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1. Soy is metabolized as phytoestrogen 2. Soy is inferior to whey protein "In conclusion, a significantly larger portion of soy protein is degraded to urea, whereas casein protein contributes to splanchnic utilization (protein synthesis) to a much greater extent. The biological value of soy protein must be considered inferior to that of casein protein in humans." -Maastricht University, Department of Surgery, Nutrition and Toxicology Research Institute Maastricht A whole egg rated at 100% nitrogen absorbed. Whey protein exceeds perfection with 104% digestibility while Soy fell short at a 74% Biological Value. As far as the ratio of protein consumed through a person’s diet, to the amount of nitrogen emission, the body uses 94% of whey protein provided but only 61% of soy protein. The theory that soy inhibits muscle growth has certainly been disproved, but it is certainly no match for whey and it does create phytoestrogen as it is metabolized, which is the number one active ingredient in dietary supplements for women going through menopause...so I'll stick to the eggs and whey, knock yourselves out on soy if you like.
 

sexplease

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show me the tits on a soy plant and then I'll call it milk, until then it's soy juice. Sounds unappetizing and rough to market, huh.
humans have taken millions of years to evolve, eating meat (your canine teeth) fruits, roots,bugs and eggs.
Go ahead, start sucking the juice out of a plant that is heavily subsidized by governments.
you get what you deserve, just don't go waddling to your doctor wondering why your precious internal organs are fat and useless and full of cancers.
 

B_Nick4444

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Testicular StAR levels were not significantly different between the phytoestrogen-rich vs the phytoestrogen-free fed animals. These results indicated that consumption of dietary phytoestrogens resulting in very high plasma isoflavone levels over a relatively short period can significantly alter body and prostate weight and plasma androgen hormone levels without affecting gonadotropin or testicular StAR levels. The findings of this study identify the biological actions of phytoestrogens on male reproductive endocrinology and provide insights into the protective effects these estrogen mimics exert in male reproductive disorders such as benign prostatic hyperplasia and prostate cancer. (emphasis added)

Dietary soy-phytoestrogens decrease testosterone levels and prostate weight without altering LH, prostate 5alpha-reductase or testicular steroidogenic acute regulatory peptide levels in adult male Sprague-Dawley rats -- Weber et al. 170 (3): 591 -- J

A recent study published in a 2007 issue of Cancer Epidemiology Biomarkers and Prevention, however, had male bodybuilders ditching their soy protein-powder jugs. The researchers from the University of Medicine and Dentistry of New Jersey stated in their abstract that males taking 56 g of soy protein powder for four weeks experienced a 19% decrease in testosterone levels. Journalists duly reported that soy decreased testosterone levels by 19%, which triggered widespread concern among males. Yet, upon further analysis of the data, it&#8217;s clear that this statement about a 19% decrease is false.
The actual decrease was only 4%, and upon further analysis of the data, there are severe flaws in the study. For instance, one subject who was allowed to participate in the study had testosterone levels that were about 200% higher than the average testosterone levels of the other subjects. In fact, his testosterone levels were similar to those of someone using anabolic steroids, or just coming off of a cycle of steroids. The fact that his testosterone levels steadily dropped over the course of the study by 60% suggests that this subject had recently stopped taking anabolic steroids to participate in the study. If you remove his data from the study, it becomes obvious that there wasn&#8217;t even a 4% decrease in overall testosterone levels. In reality, the majority of the subjects experienced either a small increase in testosterone levels or no change in their testosterone levels at all during the four weeks of taking soy protein. Shocked at how sloppy these researchers were? Don&#8217;t be. What else would you expect from a group of researchers who misrepresented their data in the abstract?
Scientific Fact: Good research proves that soy protein will not affect your testosterone levels.

Myth: Soy can&#8217;t offer the muscle-building benefits that whey can.
Truth: Brand-new research finds that soy can boost nitric-oxide levels. Researchers from Virginia Polytechnic Institute and State University (Blacksburg) reported that the soy phytoestrogen, genistein, increased the amount of nitric oxide synthase (NOS) produced by the blood vessels. Since NOS is the enzyme that converts arginine to NO, this led to a significant increase in NO levels. Since soy also happens to be high in arginine, using soy protein is a smart way to boost NO levels and therefore blood flow to muscles, such as before workouts. An increase in blood flow during workouts delivers more nutrients, oxygen and hormones to the muscles.
In addition, research finds that soy better protects your muscles from the oxidative damage that typically follows exercise and can lead to better muscle recovery after exercise as compared to whey. The 2004 Ohio State University (Columbus) study comparing soy and whey protein from protein bars showed that the guys eating the soy protein bars experienced better antioxidant protection following exercise. Another 2004 study also found that when trained men supplemented with 40 g of soy protein before working out for four weeks, they experienced better antioxidant protection following weight workouts as compared to whey protein.

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