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L-Arginine

Meaning

L-Arginine is a semi-essential amino acid, meaning the body can typically synthesize it, but supplementation may be required under certain physiological conditions like rapid growth or severe illness. It plays a pivotal role in protein synthesis, wound healing, immune function, and is a critical intermediate in the urea cycle for the detoxification of ammonia. In the context of cardiovascular and hormonal health, its most significant role is as the direct precursor for the synthesis of nitric oxide.