Soy
Q: Is soy a better source of protein than meat?  How do they compare nutritionally?

A: It depends on the type of meat, and on each individual’s overall nutrition.  Soy is
certainly a better choice than fatty cuts of meat since it is lower in saturated (bad)
fat and calories.  Soy can lower LDL cholesterol levels if soy cheese and veggie
burgers replace your traditional Philly cheese steak.  If soy substitutes lean meats
and seafood, however, in general there is not much benefit.   The Center for Science in
the Public Interest wrote, “The effect of soy protein on the risk of heart disease
just isn’t what it was once thought to be.”  (Nutrition Action, October 2006).  The
American Heart Association agreed, saying “The direct cardiovascular health benefit
of soy protein or isoflavone supplements is minimal at best.”  There is simply not
enough research to prove that soy protein is better for your health.  

That being said, having a variety of foods in your diet may be beneficial so drinking soy
milk or eating veggie burgers isn’t likely to hurt you.  There are many good tasting soy
products, including soy yogurt, soy milk, and cereal with soy protein isoflavones.  

The Center for Science in the Public Interest is an independent non-profit health
group that advocates safe and nutritious eating habits and consumer awareness.  Find
out more and subscribe at
Nutrition Action's website.
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