Kim MS, Park JY, Namkoong C, Jang PG, Ryu JW, Song HS et al
Biol Trace Element Res (2008) 122(2):10721
Adequate B12 levels have been known to help prevent anemia and major birth defects, may support bone health, may reduce the risk of macular degeneration, and even help with mood improvement and symptoms of depression
For those who experience medication-induced hyperpigmentation, learning how to stop excess melanin production naturally can include avoiding direct sunlight, using mineral-based sunscreens, and speaking with a healthcare provider about possible alternatives
Direct NAD+ supplementation has considerably more human research behind it
Sexual health PT-141 (separate category) Melanocortin receptor agonist