Vitamin B3

  • Vitamin B3 is known as niacin or nicotinic acid.
  • It is essential for metabolism, growth and tissue oxidation.
  • Vitamin B3 stimulates the central nervous system and brain functions.
  • This vitamin lowers blood sugar in diabetics.
  • It helps to improve joint pain of osteoarthritis and rheumatoid arthritis.
  • Plays critical role in pathways of Inflammatory and Immune responses and affects progression of Diabetes, Cancer and Dementia.


  • Husks of cereals
  • Green vegetables
  • Legumes
  • Coffee
  • Tea
  • Meat
  • Chicken
  • Salmon
  • Tuna
  • Liver
  • Fish
  • Milk
  • Yeast
  • Dried peas and beans
  • Enriched fortified cereal

Deficiency of Vitamin B3 causes Pellagra characterized by 4D’s

  • Dermatitis
  • Diarrhea
  • Dementia
  • Death

Symptoms of deficiency includes a bright red tongue, depression, headache, fatigue, and memory loss.

Food Sources of Vitamin B3