l4 In rats, even low level trypsin inhibitor soy protein isolate feeding results in reduced weight gain compared to controls.15 Soy product producers are not required to state trypsin inhibitor content on labels, nor even to meet minimum standards, and the public, trained to avoid dietary
cholesterol, a substance vital for
normal growth and
metabolism, has never heard of the potent anti-nutrients found in
cholesterol - free soy products.