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As the direct precursor to nitric oxide, it has the strongest theoretical rationale for use in ED

In: Scriver CR, Sly WS, Childs B, Beaudet AL, Valle D, Kinzler KW, Bert Vogelstein B, editors

Peptides in solution can degrade over time through oxidation, aggregation, or hydrolysis

Minimal downtime and disruption

L-theanine, in contrast, promotes relaxation without sedation by increasing alpha brain waves and modulating GABA, serotonin, and dopamine activity

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