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View Full Version : Soy--it's almost 2015-- what's the consensus on it's effect on bodybuilding/hormones?



usawinston
11-23-2014, 07:21 PM
Sorry if I'm beating a dead horse here. Searches have returned mostly misc discussions with no usable citations. Does soy increase estrogen to a measurably detrimental effect on natural bodybuilding? Does it increase circulating estrogen?

It seems like a great product to eat, considering it has decent unsaturated fats.


Mind you, I'll still keep eating real meat and whey/dairy primarily.

cls91
11-23-2014, 07:27 PM
I don't have sources handy, but the general consensus in here is that its effects are negligible and shouldn't be of concern unless you are eating absurd amounts. Similar to diet soda.

AFC96
11-23-2014, 07:27 PM
Here is a read:

http://wannabebig.com/forums/threads/73598-whats-the-deal-with-soymilk?p=1270226#post1270226

Not sure if it is outdated or not.

usawinston
11-23-2014, 07:35 PM
I don't have sources handy, but the general consensus in here is that its effects are negligible and shouldn't be of concern unless you are eating absurd amounts. Similar to diet soda.
Thanks that does make sense.

Here is a read:

http://wannabebig.com/forums/threads/73598-whats-the-deal-with-soymilk?p=1270226#post1270226

Not sure if it is outdated or not.

Appreciate it. Wondering if anything newer has developed

rhadam
11-23-2014, 08:48 PM
I don't have sources handy, but the general consensus in here is that its effects are negligible and shouldn't be of concern unless you are eating absurd amounts. Similar to diet soda.

Correct. Soy simply can not induce a physiological change from hormone impact.

Former300lber
11-24-2014, 03:32 AM
It's not a big deal, but I personally wouldn't make it my main source of protein, but I also wouldn't worry about consuming a decent amount.

respawn
11-24-2014, 04:36 AM
I got some. 1 sec.

Soy protein benefits
http://www.ncbi.nlm.nih.gov/pubmed/16418439?dopt=Citation
http://www.jissn.com/content/9/S1/P26
http://jn.nutrition.org/content/138/6/1244S.long
Test levels
http://www.ncbi.nlm.nih.gov/pubmed/16775579
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2721724/
http://www.ncbi.nlm.nih.gov/pubmed/19524224