Arginine is an Amino Acid which when absorbed into the blood stream, changes into nitric oxide (NO). NO is known to be a neurotransmitter, aiding with the relaxation of blood vessels, improving overall circulation in the body. Improved circulation allows more blood, oxygen and nutrients to enter working muscle groups, resulting in a muscle pump and an enhanced appearance of fullness. More nutrients also means that muscles have more potential to recover faster, resulting in gains in mass and strength. As arginine helps with vasodilation of the blood vessels, some research suggests that this can help improve symptoms of angina and clogged arteries. Ar
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