drinking on ghk cu GHK-Cu (Copper Peptide) levels peak in your 20s and drop by roughly 60-70% by the time you're 60. This is the molecule responsible for collagen synthesis, tissue repair, and wound healing. The Neurogan GHK-Cu + AHK-Cu Hair
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It also may inhibit follicular miniaturization signals (such as certain transforming growth factor pathways)

5-Amino-1MQ (5-amino-1-methylquinolinium iodide) is a small molecule that inhibits NNMT (nicotinamide N-methyltransferase), an enzyme that becomes overactive in metabolically aging tissue

The calculators here work out how much to add

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[6] NAD+ augmentation may counteract age-related NAD+ loss caused by overactive NAD-consuming enzymes (such as the NADase CD38), thereby supporting mitochondrial maintenance and metabolic homeostasis
