Protein Blend 20 Aminos With Vitamin B-6 Amino acids are essential nutrients in the maintenance, repair, and development of evolving muscle tissues.* Amino Complete is an advanced formula that combines a blend of protein and free-form amino acids, delivering 20 amino acids in one convenient supplement. This balanced blend also contains vitamin B-6 as a common cofactor for amino acids in the support of cardiovascular and nervous system health.* It is an excellent complement to any fitness regimen. Natural color variation may occur in this product.