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Copper(II) in GHK-Cu readily accepts those electrons and is reduced to copper(I)
L-arginine, another amino acid, also boosts nitric oxide production
1 This muscle loss can weaken metabolic health, reduce bone density, and impair physical strength all of which play a role in healthy aging and brain resilience
It's generally well-tolerated, which is always a good thing when you're trying to improve your health
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