Optimum Nutrition Superior Amino 2222 Tablets, Complete Essential Amino Acids, EAAsFeatures Amino acids are the "building blocks" of protein used to help build and maintain muscle tissue when done over time with regular resistance building exercises. Provides 18 different amino acids. Full Spectrum Blend Micronized Amino Dietary Supplement. Our Superior Amino 2222 Tabs provide the full 2,222 milligrams of natural and supplemented, conditionally essential, and non essential amino acids derived from a blend of isolated, concentrated,