(620 mg 100 v-caps), Life ExtensionLess than $6.75
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Lysine works with other essential amino acids to maintain growth, lean body mass and the body's store of nitrogen. In addition, dietary supplementation with the essential amino acid L-lysine has been shown to reduce anxiety in humans with low dietary intake of L-lysine. L-lysine, together with arginine, has been documented to normalize hormonal stress responses in humans with high trait anxiety.