Vitamin B3 can help protect against skin cancer. Here's who may benefit
- Posted on September 17, 2025
- By NPR
- 3 Views

Vitamin B3 can help protect against skin cancer. Here's who may benefit

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.