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Is soy really bad for hormones or health? Learn what research says about soy, estrogen, protein, cholesterol and why the internet controversy is overstated.Can you eat too much protein? Learn how protein needs vary, why more is not always better and how to balance protein with the rest of your diet.Do vegans need protein powder? Not necessarily. Learn when a plant protein supplement is useful, how much protein you need and what to look for.Is plant protein as good as animal protein? Compare amino acids, digestibility, muscle support and the bigger nutritional picture behind each protein source.