About Natural Factors C Extra 500 mg + Quercetin Bioflavonoids 500 mg (Tablets)
Non-Medicinal Ingredients: Microcrystalline cellulose, dibasic calcium phosphate dihydrate, croscarmellose sodium, carbohydrate gum, coating (carbohydrate gum [cellulose], glycerin), stearic acid, vegetable grade magnesium stearate (lubricant), silica.
1 tablet daily with food or as directed by a health care practitioner. Consult a health care practitioner for use beyond 12 weeks