Arginine, Jarrow Formulas Benefits of L-arginine – L-arginine is an amino acid that plays an important role in several pathways, including protein synthesis, creatine phosphate production (needed to produce ATP), and synthesis of nitric oxide, which is involved in blood flow. Normal tissue regeneration – arginine is a precursor to the synthesis of protein and nitric oxide, which supports normal tissue regeneration. Convenient tablets – each tablet contains 1000 mg of l-arginine. Take one tablet once or twice a day or as directed by your healthcare professional. It supports the synthesis of nitric oxide and proteins
