Vitamin B3 is also called niacin and is part of the water-soluble vitamin family.

The body is not able to store these vitamins, so they have to be eaten regularly.

Vitamin B3 is part of many metabolic pathways and therefore a deficiency is not very specific. Neurological symptoms, weakness, lost of appetite can show. After a very long deficiency pellagra occurs, symptoms are skin irritation, diarrhea and dementia.

Recommend daily intake for men is 15 – 20 mg and for women 13 – 15 mg.

Good vitamin B3 sources are coffee, bread and animal products.