From the Manufacturer's Label:
Promotes Energy Production**
Niacinamide is the form of niacin that circulates in the bloodstream and is needed for the synthesis of energy (ATP), the activation of folate and the regeneration of glutathione.** Niacinamide and niacin are the two forms of vitamin B3. Niacinamide does not cause flushing or skin irritation.**
Manufactured by Jarrow Formulas®.
No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.