Source Naturals, L-Arginine, Free Form, 100 Capsules
$8.28
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Dietary Supplement 500 mg Promotes Increased Circulation 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.
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