Ester-C Plus 1,000 mg Vitamin C
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 | 1000 mg |
| Calcium702 systematic reviews · 3290 randomised trials | 108 mg |
| Citrus Bioflavonoids Complex | 200 mg |
Certifications & Testing
Other Ingredients
Gelatin, Vegetable Magnesium Stearate
Recommended Use
Suggested use: As a dietary supplement for adults, take one (1) capsule twice a day, preferably with meals 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 any dietary supplement. Discontinue use and consult your healthcare practitioner if any adverse reactions occur. Do not use if outer bottle seal is missing or damaged. Keep out of reach of children.
Frequently Asked Questions
What is Solgar Ester-C Plus 1,000 mg Vitamin C's Formulate score?
Solgar Ester-C Plus 1,000 mg Vitamin C scores 82 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 Solgar Ester-C Plus 1,000 mg Vitamin C worth it?
Solgar Ester-C Plus 1,000 mg Vitamin C scores 82/100 (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 Solgar Ester-C Plus 1,000 mg Vitamin C?
Each serving contains Vitamin C (1000 mg), Calcium (108 mg), Citrus Bioflavonoids Complex (200 mg). Serving size: 1 Capsule(s). 100 servings per container.
How do I take ester-c plus 1,000 mg vitamin c?
Suggested use: As a dietary supplement for adults, take one (1) capsule twice a day, preferably with meals or as directed by a healthcare practitioner.
Who makes Ester-C Plus 1,000 mg Vitamin C?
Ester-C Plus 1,000 mg Vitamin C is made by Solgar. See Formulate's full grade and product lineup for Solgar on its brand page.
Is Solgar Ester-C Plus 1,000 mg Vitamin C third-party tested?
Solgar lists the following certifications and testing for this product: 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.