COMPOSITIONS AND METHODS FOR INCREASING MUSCLE MASS AND STRENGTH, TREATING SKIN, REDUCING WEAR AND DEGRADATION FROM AGING AND EXPOSURE AND IMPROVING RECOVERY FROM STRESS SUCH AS EXERCISE AND TRAUMA
Compositions comprising an amino acid component including: L-histidine, L-isoleucine, L-leucine, L-lysine, L-phenylalanine, L-threonine, L-tryptophan, L-valine and L-arginine and optimized levels of L-methionine. L-tryptophan content may also be elevated and optimized, and additional amino acids including arginine, L-arginine, L-citrulline, L-carnitine and L-cysteine may optionally be present. Methods of treating muscle, wounds, surgical procedures, skin conditions and other conditions using such compositions are also provided.