100% full fat soybean provides the highest quality protein and richest source of essential amino acids of any plant protein for incredible muscle building capacity. Rich in essential amino acids including methionine to support healthy and strong hooves. ProteinPak does not contain added vitamins and minerals, so it can be added to any ration and fed with any other feed without unbalancing the diet. Omega 3 and 6 fatty acids for brilliant coat shine and skin health. Rich in branch-chain amino acids (BCAAs) to assist with post-exercise muscle recovery.