https://www.npr.org/2025/09/17..../nx-s1-5544145/vitam

Vitamin B3 may help prevent skin cancer, new study finds : NPR
www.npr.org

Vitamin B3 may help prevent skin cancer, new study finds : NPR

Dermatologists often recommend nicotinamide — a form of Vitamin B3 — following skin cancer. A study of nearly 34,000 veterans finds this supplement reduces the risk of skin cancer recurrence.