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  1. Niacin (Vitamin B3): Benefits and Side Effects - WebMD

  2. Niacin (Vitamin B3): Uses, Benefits, Sources & Side Effects

  3. Vitamin B3 - Wikipedia

  4. Niacin (Vitamin B3): Benefits, Dosage, and more - Healthline

  5. Niacin - Mayo Clinic

  6. Vitamin B-3 (niacin): Deficiency symptoms, uses, and ...

  7. NIACIN AND NIACINAMIDE (VITAMIN B3) - WebMD

  8. Niacin – Vitamin B3 – The Nutrition Source

  9. Vitamin B3 - StatPearls - NCBI Bookshelf

  10. Niacin: Uses, Benefits, Side Effects, Dosage, Precautions