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Rapid Absorption : Intranasal delivery can achieve blood levels comparable to subcutaneous injection within minutes, making it ideal for pre-workout or targeted timing protocols
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doi: 66
Copper coordination chemistry, briefly What makes GHK-Cu distinctive is how the tripeptide binds copper(II): the imidazole nitrogen of histidine, the N-terminal amine, and backbone nitrogens form a coordination geometry that holds the metal ion with high affinity
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