Source Naturals  Free Form L-Arginine Powder Perspective: Main

Source Naturals Free Form L-Arginine Powder

3.53 ozUPC: 0002107800103
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L-Arginine is a crystalline, free-form amino acid. It is an important factor in muscle metabolism and works to transport, store, and excrete nitrogen. It is a precursor for nitric oxide, which promotes increased circulation by relaxing blood vessels.