From the Manufacturer's Label:
Quercetin is a powerful antioxidant that helps support your immune system. It provides a powerful antioxidant boost to help protect against harmful free radicals.
- Helps Support Immune System
- With Vitamin C and Bioflavonoids
- Manufactured by Natrol
Free Of: Yeast, wheat, corn, milk, egg, soy, glutens, artificial colors, added sugar, starch and preservatives.