Health OK Drops is blended with DL-methionine, L-arginine, L-histidine, L-isoleucine, L-leucine, L-lysine, L-phenylalanine, L-threonine, L-valine, Tryptophan, Vitamin C. itamins and Minerals enhance different immune functions and provides strong nerve support. Health OK Drops combats weakness and exhaustion, and improve body’s resistance to infections. Benefits of active ingredients in Health OK Drops: Brain function: It provides beneficial levels of amino acids to support normal cognitive function. Immunity: Vitamin C has been added to strengthen the immune system and defend against oxidative stress. Energy: Since it is packed with a unique blend of amino acids with added advantage of Vitamin C, all of which help to maintain energy levels.