Vitamin C With Quercetin
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Vitamin C289 systematic reviews · 808 randomised trials | 450 mg |
| Quercetin Dihydrate | 250 mg |
| Citrus Bioflavonoid Complex | 125 mg |
Certifications & Testing
Other Ingredients
Cellulose, plant-derived Capsule, Calcium Laurate, Silica
Recommended Use
Recommendation: Adults take 2 capsules one to three times daily,or as recommended by your healthcare professional.
Warnings
Keep out of reach of children. Safety sealed with inner seal. Do not use if seal is broken or missing. Keep tightly closed. If you are pregnant, nursing, or if you are taking prescription drugs, consult a healthcare professional before use.
Frequently Asked Questions
What is Integrative Therapeutics Vitamin C With Quercetin's Formulate score?
Integrative Therapeutics Vitamin C With Quercetin scores 80 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Integrative Therapeutics Vitamin C With Quercetin worth it?
Integrative Therapeutics Vitamin C With Quercetin scores 80/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Integrative Therapeutics Vitamin C With Quercetin?
Each serving contains Vitamin C (450 mg), Quercetin Dihydrate (250 mg), Citrus Bioflavonoid Complex (125 mg). Serving size: 2 Capsule(s). 90 servings per container.
How do I take vitamin c with quercetin?
Recommendation: Adults take 2 capsules one to three times daily,or as recommended by your healthcare professional.
Who makes Vitamin C With Quercetin?
Vitamin C With Quercetin is made by Integrative Therapeutics. See Formulate's full grade and product lineup for Integrative Therapeutics on its brand page.
Is Integrative Therapeutics Vitamin C With Quercetin third-party tested?
Integrative Therapeutics lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.