Soy, a.k.a. Soybeans, has its origins in Eastern Asia. Humans cultivate soybeans for more than 4000 years. Soy consists miraclious high percent of protein, about 40%, some sorts at 48-50% protein similar to animal's. That's why soybeans are used not only as fodder, but also to produce sports nutrition.This makes soybeans a very important agricultural produce in whole world. Soybeans are used to produce not only protein, but also vitamin A, B1, B2, B3, B6, PP, P, K, D, C