What is Vitamin B3 (Niacin)? (Vitamins)

Helps turn the food you eat into the energy you need. Niacin is important for the development and function of the cells in your body.

Deficit Signs:
Symptoms include fatigue, indigestion, nausea, vomiting, diarrhea, mouth sores, a swollen bright red tongue, poor circulation, and depressed mood. Cracked scaly skin that is highly sensitive to the sun is another symptom of vitamin B3 deficiency.