R1 ESSENTIAL AMINO 9 SUPPORTS MUSCLE RECOVERY AND HYDRATION* When it comes to maintaining and building new muscle mass, the nine essential amino acids are literally essential.  This group of amino acids cannot be synthesized within our body; they must be obtained from nutritional sources.  R1 Essential Amino 9 delivers 7.5g of all 9 essential amino acid with added electrolytes for hydration.* Transparent Formula ZERO Banned Substances ZERO Added Sugar ZERO Gluten ZERO B.S. R1 ESSENTIAL AMINO 9 BETTER INPUTS SUPPORTS MUSCLE RECOVERY AND HYDRATION*   7.5g of essential amino acids 5g of BCAAs 500mg of added electrolytes Carefully blended and packaged in a GMP facility in the USA