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Old 05-22-2014, 08:01 AM
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Default soy protein

Soy protein doesn’t equal femininity

Another fun, myopic derivation that people make in the fitness world: soy -> estrogen -> female hormone -> bad for males.

Yes,*soy (protein)*does in fact increase estrogen receptor activity and suppress androgen receptor activity, but not significantly unless you’re taking in large amounts (upwards of 60g per day). ] However, in more modest amounts soy protein can be a good source of isoflavones, lecithin, and other phytonutrients.

Soy protein is not as bioavailable as whey, egg and casein proteins, but it is still a complete protein source (unlike other plant proteins). For this reason it is one of the most viable protein options for individuals on vegan diets.

It is also suggested that a nominal dose of soy protein (~25g) per day may play a role in reducing risk of heart disease, reducing cholesterol levels, reducing risk of cancers, lowering blood pressure, and preventing osteoporosis.

The bottom line

Get over the idea that all estrogen is bad and that soy protein is the nemesis of the male gender. The FDA recommends that 20-30g of soy protein be taken in daily, and there is little evidence that that dose will cause any negative impacts hormonally.

The benefits of soy protein in moderate amounts most certainly warrant its incorporation in most any person’s diet, not just bodybuilders and gym junkies. It’s also a great addition to many recipes due to its exceptional heat stability.
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