Health Benefits of Arginine Supplements on Body Composition
Arginine is a non-essential amino acid because it is not required in the diet and can be manufactured by the body from other amino acids. Just because it is non-essential does not mean that the body cannot benefit from its supplementation. It has been shown to support immune function, promote muscle growth, increase growth hormone and act as a precursor to nitros oxide (NOS).
https://www.nationalnutrition.ca/articles/supplements/arginine/
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