Niacinamide supplementation for chemoprophylaxis of melanoma and nonmelanoma skin cancer: a real-world propensity-matched analysis of the TriNetX database

J Am Acad Dermatol. 2026 Apr 17:S0190-9622(26)00562-1. doi: 10.1016/j.jaad.2026.04.025. Online ahead of print.
No abstract available

Keywords: basal cell carcinoma; niacinamide; skin cancer; squamous cell carcinoma; vitamin B3.