L-Arginine

L-Arginine - L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion as well as DNA synthesis. 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. It is also a precursor of guanidophosphate, phosphoarginine, and creatine, the high-energy compounds found in muscles.
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