Each vegetable capsule of Solgar Niacin provides:

Niacin (Vitamin B3) 500mg. 

Solgar Niacin Capsules are Encapsulated with these natural ingredients: hydroxypropyl cellulose, magnesium stearate.

As a food supplement for adults, one (1) Solgar Niacin vegetable capsule daily, preferably at mealtime, or as directed by a healthcare practitioner.

Solgar Niacin Vegetable capsule shell: hydroxypropylmethyl cellulose.