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Home » Q & A » Soy Protein
Question: Does soy protein lower testosterone?
Question Description:
I have milk allergies and i cant drink whey protein so if i took soy protein would it lower my testosterone
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Answer#1: Some would love to suggest such about soy - but there is no clear evidence such is true. Just alot of hot air by people that have reason to suggest (without fact) that such 'can' happen (but with no proof at all).Just ask your doctor about it. If they are not really up on points of nutrition (which many medical doctors are not) - ask to be referred to a nutritionist.Also on your milk allergies - have they determined it to be an actual allergy to the milk - or did they check to see if it was the enzyme within the milk? Many that have been told such can actually eat aged cheeses and such because the process kills the enzyme that many are allergic to.Something that you might want to consider asking about with your allergist if you are one of those that would like to eat dairy products."I'm all in favor of keeping dangerous weapons out of the hands of fools. Let's start with typewriters."Frank Lloyd Wright (1868-1959)
Answer#2: greenghost seems intent on steering your question onto talking about hormones in animals which is not what you were asking.there is a lot of literature on both sides. personally i avoid soy as of this eastrogen aspect as ive read enough evidence that convinces me. most soy bought in premade vege meals or hotdogs is processed and just like any processed food is not of good healthy quality. (just cause it says soy, doesnt mean its automatically good).if you have to eat soy then try to get organic, and dont base your diet on it.
Answer#3: Nahh, that's just anti-soy propaganda stirred up by mercola and the weston price foundation. The incorrect theory of soy causing hormone problems is based on raw soy having a class of chemicals called phyto-sterols that are very loosely similar to estrogen and other animal based hormones. The theory ignores the fact that very minor chemical changes in sterols have MAJOR differences in how bodies use them. A very easy way to see that the theory is wrong is to look at the REAL hormones present in all animal products. As one example, mammalian milk has real estrogen in it and you don't hear those people saying anything about that, do you? The people that are pushing this lie don't want to address that question and (from experience<evil grin>) get very angry when asked about that<G>!Edit:Hmm, someone has missed the point! Let me try a short, straightforward answer<g>.Soy does NOT have any effect on testosterone levels.Now on to my trademarked long drawn out typical answer<G>!There is NO independent, peer-reviewed *research* that shows that soy consumption changes hormone levels. There is *literature* that hypothesizes that the presence of phyto-sterols in soy might, possibly cause a change in hormone levels but any research that claimed to find such a link has either been criticized as flawed or not subjected to independent peer review. I brought up animal hormones as an easy way to show how ridiculous the idea is! There *are* a few cases where consumption of animal foods (principally chicken) caused hormonal changes in humans. But those few cases were where the animals were fed MASSIVE amounts of hormones right up to the time of slaughter (to produce faster growth). One other thing about soy and phyto-sterols. Phyto-sterols are temperature sensitive and mostly break down above 135F. Anyone that's nervous about phyto-sterols should avoid edemame and instead choose processed soy (like TVP) since it's mostly devoid of phyto-sterols<G>. I find it laughable that the same anti-soy propagandists screaming about the 'horrors' of phyto-sterols causing hormone change then turn around and tell you to avoid soy because it's been processed! They don't tell you to avoid cheese because it's processed milk, they don't tell you to avoid bread because it's processed wheat and they sure don't tell you to avoid meat because it's processed animals!
Answer#4: i don't think so.but mabey you should ask your doctor(but I REALLY don't think thats true.)
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