Natural Factors C Extra + Quercetin, 500 mg/ 250 mg, 60 Easy Swallow Capsules
UPC: 068958013985
Natural Factors C Extra + Quercetin is a dietary supplement that combines vitamin C with the bioflavonoid quercetin, formulated to support antioxidant defenses and overall wellness. It provides 500 mg of vitamin C and 250 mg of quercetin per capsule, with the manufacturer noting that quercetin is a well-known antioxidant bioflavonoid often studied for its role in supporting healthy sinus, respiratory, and immune function.
This product uses easy-to-swallow vegetarian capsules, which the manufacturer highlights as more convenient than similarly sized tablets. It is manufactured in a GMP-certified facility, with the company emphasizing adherence to Good Manufacturing Practices from both the FDA and Health Canada. The formulation is free from common allergens and artificial additives, aligning with clean-label preferences. Suggested usage is one capsule daily or as directed by a healthcare professional.
At a glance
Supplement Facts
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin C (ascorbic acid) | 500 mg | 556% |
| Quercetin (bioflavonoids) | 250 mg | ** |
| † Daily Value not established | ||
Other Ingredients
Vegetarian capsule (carbohydrate gum [cellulose], purified water), magnesium stearate (vegetable grade), stearic acid, microcrystalline cellulose, silicon dioxide.
Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.
Label Information
Directions, warnings, and other information directly from the product label.
Suggested Use
1 capsule per day or as directed by a health professional.
Warning
As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery. Keep out of the reach of children. Sealed for your protection. Do not use if seal is broken. For freshness, store in a cool, dry place.
Product Info
- Brand
- Natural Factors
- UPC
- 068958013985
- Package Qty
- 60 count
- Dimensions
- 3.95 x 2.2 x 2.15 in
- Shipping Weight
- 0.15 lb
- First Available
- 03/2021





