L-Arginine is a powerful nitric oxide precursor that supports exercise endurance, increases blood flow, and muscle pumps while working out.
L-Arginine is a conditionally essential amino acid that acts as a nitric oxide precursor. Nitric oxide is known to increase blood flow which helps promote increased vasodilation and nutrient delivery. USN L-Arginine contains 1000mg from the premium HCL source for fast absorption.
As a dietary supplement, take 1 serving (2 capsules) with a glass of water daily.