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AHK-Cu (Ala-His-Lys-Cu) is a copper-binding tripeptide complex closely related to GHK-Cu, studied in extracellular-matrix (ECM) and metalloenzyme signaling research
However, combined efficacy and safety have only been examined in preclinical models, not in controlled human trials, so any pairing exists strictly within Research Use Only parameters
This can contribute to fatigue, weakness, shortness of breath on exertion, and pale skin
Why combine all three?+ Glutathione, alpha-lipoic acid and vitamin C are complementary antioxidants
Low B12 levels can lead to weakness and exhaustion
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