Dietary Supplement. 70 Years of Excellence Joe Weider, Trainer of Champions Amino 6000 - Amino acids are the basic building blocks of protein. People who exercise may require greater amounts of protein and amino acids than sedentary people.† Amino 6000 capsules are packed with a concentrated source of Branched Chain Amino acids and L form Amino acids which promote muscle strength, protein assimilation and muscle recovery.* Each serving contains 6000mg of high-quality potassium caseinate providing essential and non-essential amino acids in easy to digest capsules. Contains only naturally occurring amino acids. 1-800-I-FLEX-IT †P.W.R. Lemon and F.J. Nagle, Effects of exercise on protein and Amino Acid Metabolism.