Soy proteins contain a complete set of essential amino acids because it supplies all of the amino acids that are required for human health. Specifically, soy proteins supply 9 amino acids (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine). Pea proteins powder are obtained from the seeds of Pisum sativum plant. These vegetarian proteins source also a good essential amino acid composition and are a cholesterol-free protein source.