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Why L-Carnitine Is a Total Game-Changer Want to feel more energized, boost your health, and support your goals
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Adigun E.A
The structural difference is a single amino acid substitution at the first position: GHK-Cu uses glycine (Gly-His-Lys:Cu), while AHK-Cu uses alanine (Ala-His-Lys:Cu)
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