Natural Factors, Quercetin 500 mg, 60 Vegetarian Capsules Features : Immune Support Quercetin 500 mg Certified by ISURA Quercetin is one of the most well known antioxidant bioflavonoids. As a free radical scavenger, quercetin helps support healthy sinus, respiratory, and immune system function. Ingredients: Quercetin, Vegetarian capsule (carbohydrate gum [cellulose], purified water), microcrystalline cellulose, stearic acid, magnesium stearate (vegetable grade), silicon dioxide. Direction: 1 capsule per day or as directed by a health professional. Safety Warning: Keep out of reach of children. Supplement Facts: Legal Statement: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Our shipping: Most orders paid by 11 am (EST) ship the same day. Holidays add one day. Expiration dates: Expiration dates on the product you receive may vary from the expiration date listed. We do not sell expired product or products near their expiration date. We want you to purchase a product with sufficient time to utilize the product. We receive fresh stock every week and what we ship is the same as what you can purchase in our store. We are happy to confirm the expiration date of any product you would like to purchase, just send us a message.