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View GHK-CU research data 02 NAD+500mg Nicotinamide adenine dinucleotide
For hair growth, the relevant signaling pathways are: vascular stimulation (more blood flow to the dermal papilla), follicle repair (extending the anagen growth phase), inflammation modulation (calming the chronic low-grade inflammation that contributes to follicular miniaturization), and systemic growth signaling (IGF-1 levels that influence overall regenerative capacity)
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Note that unlike other water-soluble vitamins, B12 can be stored in the liver for a long time, so it might be years before B12 deficiency symptoms start appearing
Some patients pursue it as a starter or maintenance option in conversation with a licensed provider
