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  1. Niacin (Vitamin B3) : Benefits, Dosage, Sources, Risks - WebMD

  2. 5 Benefits of Niacin (Vitamin B3) That You May Not Know - Healthline

  3. 16 Foods That Are High in Niacin (Vitamin B3) - Healthline

  4. Niacin – Vitamin B3 - Harvard T.H. Chan School of Public Health

  5. Why You Need to Be Careful with Vitamin B3 Supplements

  6. Vitamin B3 (Niacin) Information | Mount Sinai - New York

  7. Vitamin B3 - Wikipedia

  8. Why do we need vitamin B-3, or niacin? - Medical News Today

  9. Niacin Deficiency: Symptoms, Causes, Diagnosis, and Treatment

  10. Niacin - Consumer - Office of Dietary Supplements (ODS)