Quercetin Complex with Ester-C Plus
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 |
|---|---|
| Quercetin42 systematic reviews · 132 randomised trials | 500 mg |
| Ester-C | 500 mg |
| Citrus Bioflavonoid Complex | 50 mg |
| Rose Hip, Powder | 50 mg |
| Acerola Extract, Powder | 50 mg |
| Bromelain4 systematic reviews · 27 randomised trials | 50 mg |
| Rutin, Powder | 10 mg |
Certifications & Testing
Other Ingredients
Hydroxypropylmethylcellulose, Magnesium Stearate, Silicon Dioxide, Stearic Acid, Maltodextrin, Microcrystalline Cellulose
Recommended Use
Directions For Use: As a food supplement for adults, two (2) vegetable capsules daily, preferably at mealtime, or as directed by a healthcare practitioner.
Warnings
If you are pregnant, nursing, taking any medications or have any medical condition, please consult your healthcare practitioner before taking this product. Keep out of reach of children. Do not use if outer bottle seal is missing or damaged. Do not exceed directions for use. Food supplements should not be used instead of a varied balanced diet and a healthy lifestyle.
Frequently Asked Questions
What is Solgar Quercetin Complex with Ester-C Plus's Formulate score?
Solgar Quercetin Complex with Ester-C Plus scores 78 out of 100 (grade B+) 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 Solgar Quercetin Complex with Ester-C Plus worth it?
Solgar Quercetin Complex with Ester-C Plus scores 78/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Solgar Quercetin Complex with Ester-C Plus?
Each serving contains Quercetin (500 mg), Ester-C (500 mg), Citrus Bioflavonoid Complex (50 mg), Rose Hip, Powder (50 mg), and more. Serving size: 2 Vegetable Capsule(s). 100 servings per container.
How do I take quercetin complex with ester-c plus?
Directions For Use: As a food supplement for adults, two (2) vegetable capsules daily, preferably at mealtime, or as directed by a healthcare practitioner.
Who makes Quercetin Complex with Ester-C Plus?
Quercetin Complex with Ester-C Plus is made by Solgar. See Formulate's full grade and product lineup for Solgar on its brand page.
Is Solgar Quercetin Complex with Ester-C Plus third-party tested?
Solgar lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free, Sugar-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.