L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion. It is also believed to be beneficial for DNA synthesis. 500mg of High Quality L-Arginine Per Veg CapsuleEssential Amino AcidServing Size: 1 CapsuleNon-GMO, Gluten FreeFSSAI, US-FDA, GMP & FSSC 22000 Certified Company.