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does soy protein really promote estrogen and give guys man boobs

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MrBig5
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im intrested in buying a protein blend with whey casein and soy but have heard that soy protein causes estrogen production in men and can lead to man boobs.


Related: Soy Protein (Category), Protein (Category)


petey7408
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« Reply #1: November 19, 2009, 05:25:34 AM »
Studies are inconclusive, but suggestive in the estrogenic nature. I personally avoid soy. Go with a whey, egg protein blend (Think Pro Complex  :) ) instead.
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dammit
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« Reply #2: November 19, 2009, 08:15:21 AM »
Studies are inconclusive, but suggestive in the estrogenic nature. I personally avoid soy. Go with a whey, egg protein blend (Think Pro Complex  :) ) instead.

Two thumbs up for Petey.  Even though tests are disputing each other, why risk it?  If you're shakes however have soy in them as part of their protein profile, don't sweat it.  It isn't enough to make any difference.  I personally won't be scarffing down tofu anytime soon.   :P  (And Pro Complex is still #1)
If you have one foot stuck in yesterday and one foot stuck in tomorrow, you are peeing on today.

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admin
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« Reply #3: November 19, 2009, 08:58:09 AM »
One of my friends uses soy because he says whey makes his stomach upset (he is super lactose intolerant and it seems like everything makes his stomach upset).  Would you still recommend soy or should he just search for a stomach-friendly whey?
- Tommy


AbsoluteZ3R0
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« Reply #4: November 19, 2009, 10:08:05 AM »
He should use egg, its profile is superior and is great for people who are lactose intolerant


petey7408
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« Reply #5: November 19, 2009, 10:44:54 AM »
One of my friends uses soy because he says whey makes his stomach upset (he is super lactose intolerant and it seems like everything makes his stomach upset).  Would you still recommend soy or should he just search for a stomach-friendly whey?

Yup, use egg. Our good friends at Optimum have a top of the line egg protein.
Research & Development Scientist (Company Classified)

M.A. Exercise Science - Physiology/Kinesiology
B.S. Nutrition Sciences
B.S. Exercise Science
NSCA Certified Strength & Conditioning Specialist


cse7663
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« Reply #6: February 15, 2010, 02:01:36 PM »
Recent concluded studies have shown, and or proven, that I am not going to get "man boobs" from drinking soy protein shakes. It also offers many other different benefits that whey protein does not and also for me, is much easier for my body to digest and can actually form a real "duece" from it. Whey went through me like water...Certain products for certain people.    Trial and Error.
Look in the Mirror? You either accept it, or you change it..
It is, what it is..............


AnabolicAdam
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« Reply #7: February 15, 2010, 02:06:14 PM »
A lot of blends that IVe taken (Probolic, EAS, etc.) have soy in them, and Ive never considered it to be anything but beneficial. Like DAmmit said, its in such small quantities that it cant hurt you, and there are certain benefits from soy protein. So Im all for blends with soy. That EAS blend from costco for $30/6lbs is a steal and I always keep a bag or two round. 
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cse7663
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Banned Doods
« Reply #8: February 17, 2010, 06:31:22 AM »
Wait a second..I just looked in the mirror, and it stared back hard...Holy crap man I got MANBOOBS!!!  Dam it I hate that when that happens......    Just F****** wit ya.                          cse.             
Look in the Mirror? You either accept it, or you change it..
It is, what it is..............

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