C Extra + Quercetin
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 50% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyVitamin C and quercetin are researched for their roles in supporting immune function and antioxidant activity. While vitamin C has strong evidence for health maintenance, the evidence for quercetin's specific efficacy in humans is more limited. These ingredients are generally well-tolerated when taken as directed.
AI-generated summary based on research evidence. Not medical advice.
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Directions for Use
Suggested Usage: 1 capsule per day or as directed by a health professional.
Warnings & Precautions
Cautions: 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 reach of children.
Sealed for your protection. Do not use if seal is broken.
Formulation Notes
Our 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.
Easy-to-swallow capsules as compared to similar size tablets.
Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.
Contains no artificial colors, 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
Immune Support
C Extra + Quercetin Bioflavanoids 500 mg / 250 mg
Additional Information
Isura Non-GMO - Mass Spec Documentation - Lab Tested
For freshness, store in a cool, dry place.
Product of Canada Recyclable container and label.
Item # Q057462
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.