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Arginine![]() |
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Arginine is a semi-essential amino acid.
A dietary source of arginine generally is not needed by adults, since they make enough arginine in their bodies; consequently, arginine is not considered essential for men and women.
During periods of growth, such as childhood, arginine is not always made in sufficient quantities; consequently, arginine is considered semi-essential for children and dietary sources are required.
Athletes: People involved in strength-training workouts who take 3,000mg supplements of combined arginine and lysine might have increased secretion of growth hormone during resting conditions.