The same ingredient can be explored across scalp focused formulations and sophisticated anti ageing skincare, giving formulators a concentrated active suitable for multiple premium cosmetic categories
NNMT is involved in the conversion of nicotinamide, a form of vitamin B3, into methylated compounds
But including foods high in these vitamins (like whole grains, meats, eggs, dairy, leafy greens, nuts) as tolerated can help maintain levels once the course of injections is over
Some NHS/ICB guidance notes oral options for dietary-related deficiency, and that long-term injection schedules depend on the cause
Your body produces GHK-Cu on its own, but levels drop sharply with age