Source Naturals L-Arginine 1000mg, 100 Tablets Pack of 2

Source Naturals L-Arginine 1000mg, 100 Tablets (Pack of 2)

• A crystalline, free-form amino acid
• An important factor in muscle metabolism
• Works to transport, store, and excrete nitrogen
• A precursor for nitric oxide, which promotes increased circulation by relaxing blood vessels
• Also a precursor of guanidophosphate, phosphoarginine, and creatine, the high-energy compounds found in muscles