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Natural Factors C Extra + Quercetin Bioflavonoids is an immune-support formula that combines the antioxidant benefits of vitamin C and the bioflavonoid quercetin in a synergistic 2:1 ratio. Vitamin C helps in collagen formation to maintain healthy bones, cartilage, teeth, and gums, while quercetin enhances the activity of vitamin C in the body. Quercetin is currently being studied for additional health benefits.
Supplement Facts
Each Capsule Contains
| Medicinal Ingredients | Amount Per Serving |
| Vitamin C (Ascorbic Acid) | 500mg |
| Quercetin (Bioflavonoids) | 250mg |
Non-Medicinal Ingredients
Vegetarian Capsule (Carbohydrate Gum [Cellulose], Purified Water), Microcrystalline Cellulose, Vegetable Grade Magnesium Stearate (Lubricant), Stearic Acid (Cilica)
Recommended Dose (Adults)
1 capsule daily with food or as directed by a health care practitioner. Consult a health care practitioner for use beyond 12 weeks.
Recommended Use
Helps support immune function, prevent vitamin C deficiency, and maintain the body’s ability to metabolize nutrients. Helps in collagen formation to maintain healthy bones, cartilage, teeth, and gums. Source of antioxidants that help protect against free radicals.
Cautions
Consult a health care practitioner prior to use if you are pregnant or breastfeeding. Keep out of the reach of children.
Allergen Statement
Contains no artificial colours, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs. Suitable for vegetarians/vegans.
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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