Guest guest Posted April 5, 2006 Report Posted April 5, 2006 I would get whey protein, definitely. Soy protein jacks with your hormones in a way that is not at all conducive to fat loss. I drink soy milk and eat veggie burgers, but you couldn't pay me to down large quantities of soy protein isolate. That's the potent stuff you'll find in most powdered shakes and meal replacements. Here's an old post on it: ~~~ Isolated soy protein powders can have a huge impact on hormones. We've had women here who've suddenly quadrupled their soy intake and experienced bloating, hot flashes, nausea, and breast tenderness in addition to not losing any weight. After seeing a doctor, ruling out pregnancy, and eliminating the soy shakes, all the symptoms subsided. Bodybuilders tend to avoid using large amounts of soy protein powder because of the estrogen issue. Male bodybuilders in particular run from soy protein like vampires from garlic. Bumping up your estrogen levels might be dandy if you're a post-menopausal mall-walker, but if you're into bodybuilding and fitness and trying to get ultra lean, it will set you back. Estrogen is a fat storage hormone. It's the reason women naturally carry more body fat than men. Ponder what increased estrogen does to a woman's percentage of body fat during puberty and pregnancy. You don't want any of that going on while you're making an effort to build muscle and get lean. :-) It's not that soy itself is evil. I use plenty of veggie burgers and soy products. It seems to be large quantities of the isolated soy protein powders that cause problems. On 4/5/06, Gail Batchelor Higgins <gailbrocop@...> wrote: > > I'm on my way to buy some groceries and I have a > question about Soy versus Whey Protein Powder. I've tried both. Does > it really matter and if so, why? > Quote
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