Natural Factors C Extra + Quercetin contains 500 mg of vitamin C and 250 mg of quercetin. Vitamin C is a powerful antioxidant which supports healthy bones, cartilage, teeth, and gums. It helps protect cells against free radical damage and vitamin C deficiencies in the daily diet, and supports healthy cell growth. Quercetin is one of the most well-known antioxidant bioflavonoids. A free radical scavenger, quercetin helps support healthy sinus, respiratory, and immune system function. They are easy-to-swallow capsules as compared to similar size tablets.
*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.
Amount Per Serving | % Daily Value | |
Vitamin C (ascorbic acid) | 500 mg | 556% |
Quercetin (bioflavonoids) | 250 mg | * |