Now L-Arginine (500 mg), 250 capsules

GNC L-Arginine (1000 mg), 90 tablet(s)

Product Details Amino acids are the building blocks of protein and help fuel skeletal musclesArginine is an essential precursor of nitric oxide which helps maintain blood vessel tone. The amino acid arginine has several roles in the body, such as helping remove ammonia from the body which is a waste product of protein metabolism. Helps maintain healthy blood vessel toneArginine is involved in creatine formation and the synthesis of creatine provides energy to your muscles for movements, especially quick movementsArginine and citrulline both lead to production of nitric oxide and nitric oxide help maintain blood vessel tone and thus plays a role in protein synthesis Arginine is a non-essential amino acid which assists the removal of ammonia from the body which is a waste product of protein metabolism. It is an essential precursor of nitric oxide. The amino acid arginine has several roles in the body, such as helping remove ammonia from the body which is a waste product of protein metabolism. Arginine is also an essential precursor of nitric oxide which helps maintain blood vessel tone.