http://www.cybermedicinestore.com/burn-fat/6-reasons-why-you-need-more-soy-whey-protein What is it with all these high-protein, low-carb diets today? Is there anything worth remembering in this dietary trend? Soy whey protein is essential for muscle development as well as being a source of 22 amino acids which are necessary for the production of enzymes and hormones in the body.