Back to today’s briefing

Story perspectives

Vitamin B3 Reduces Skin Cancer Risk by 54%

10/3/2025

29 5

Summary

Story summary

A Vanderbilt University study finds nicotinamide, a form of Vitamin B3, reduces recurrent skin cancer risk by up to 54%, especially after a first diagnosis.
Across nearly 34,000 patients, the average risk reduction was 14% for those taking 500 mg twice daily versus nonusers.
Strongest effects were in squamous cell carcinoma; basal cell carcinoma showed no overall reduction.

1 of 1

Story summary

A Vanderbilt University study finds nicotinamide, a form of Vitamin B3, reduces recurrent skin cancer risk by up to 54%, especially after a first diagnosis.
Across nearly 34,000 patients, the average risk reduction was 14% for those taking 500 mg twice daily versus nonusers.
Strongest effects were in squamous cell carcinoma; basal cell carcinoma showed no overall reduction.