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Also, each clinic may follow a different protocol and injection schedule
Found naturally in the human body's tissues and fluids, GHK serves as a signaling peptide that plays a role in tissue repair and regeneration
Everything else marketed for brain aging, from NAD+ precursors and senolytics to metformin, rapamycin, and CoQ10, has either failed in human trials or has not been tested in the brain at all, which is why those belong in the promotion section below rather than here
This is why cyanocobalamin is the form of B12 I recommend for most people
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