Tip: The Worst Protein for Fit People

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Since protein can be scarce for those avoiding meat, soy is the vegetarian answer to a diet lacking muscle-building amino acids. It’s also peddled as the cholesterol lowering replacement for “evil” red meat. We’ve not only been told that animal protein and saturated fat are bad, but we’ve been creatively convinced that plant proteins, like soy, are the solution.

Many are surprised to learn that the soybean itself is toxic to humans and livestock. It’s one of the most heavily sprayed crops, and close to 93% of it is genetically modified if that’s something that concerns you. Soy also contains isoflavones that mimic estrogen in the body (phytoestrogen), bind to estrogen receptor sites, and cause a host of health problems.

Hazards of Soy

  • Inhibits reproductive health

  • Alters brain function negatively

  • Suppresses thyroid hormone

  • Disrupts the endocrine system

  • Increases potential for breast and prostate cancer

Maybe this is why a study from the Journal of the American College of Nutrition found cognitive dysfunction and brain atrophy in men consuming two or more servings of tofu per week.

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