NOW Sports Nutrition, Arginine & Citrulline 500 mg/ 250 mg, Amino Acids, 120 Veg Capsules

Same trusted quality with a brand new look! Packaging may vary PROTEIN METABOLISM(x): Arginine and citrulline are two amino acids that are integral to protein metabolism and utilization, as well as to the maintenance of muscle tissue.(x) NITRIC OXIDE PRECUSOR(x)/PRE-WORKOUT SUPPLEMENT: Take one capsule up to twice a day, preferably before working out. GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968 During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.