Ester-C 1000mg Vitamin C 90 Capsules
by Solgar
Solgar Ester-C 1000mg is a premium, pH-neutral form of vitamin C (calcium ascorbate) that reviewers consistently praise for immune support, particularly for warding off colds. Best for People with sensitive stomachs who cannot tolerate regular vitamin C and Frequent cold sufferers seeking immune maintenance.
According to the AIScored 0–100 scoring system, Ester-C 1000mg Vitamin C 90 Capsules by Solgar scores 74.0/100, ranking #9 out of 19 products in Vitamin C (2026). Strongest category: Side Effects (87.0/100). Weakest: Certifications (48.0/100).
Is Ester-C 1000mg Vitamin C 90 Capsules worth buying?
“Solgar Ester-C 1000mg scores 74/100 and is worth considering if you've struggled with regular vitamin C irritating your stomach, as its pH-neutral formula is much gentler on digestion. Reviewers consistently report good immune support with this one, particularly when taken at the first sign of cold symptoms, and you're getting a trusted brand that's been around for decades.”
What Do Reviewers Say About Ester-C 1000mg Vitamin C 90 Capsules?
Sample excerpts from currently available source material used in this product analysis.
"Mts. Always excellent, always buy from H&B. The Customer Care is second to none. Helps me to decide on purchases."
"My go to. Ester-C vitamin c is perfect all year round. And at times when I feel like I’m coming down a cold, I double my dosage and within a couple of days I’m fine."
"I have been taking these in capsule form which I like, and particularly that they are gentle on the stomach. So I bought this, thinking to get a good supply at a good price but was very disappointed that when I opened the bottle found they..."
"One happy costumer! It is my favourite vitamin C. Great quality, always reliable and fantastic product! I am one happy customer who purchase this vitamin C over and over!"
How does Ester-C 1000mg Vitamin C 90 Capsules score?
Detailed score breakdown and key findings from our analysis of 12 reviews across 2 sources.
Pros
- +Gentle on the stomach due to pH-neutral, non-acidic Ester-C form — appreciated by those sensitive to regular ascorbic acid
- +Strong immune support reported by reviewers, including use at onset of cold symptoms
- +Reputable Solgar brand with a long track record of quality supplements
- +Contains natural bioflavonoids which enhance vitamin C bioavailability
- +Convenient once-daily 1000mg dose
Cons
- -Large pill size — multiple reviewers struggle to swallow and must break or grind tablets
- -Not suitable for vegetarians or vegans (contains non-plant-based capsule material)
- -No third-party testing certification (e.g. NSF, Informed Sport) disclosed
- -Premium price point compared to standard ascorbic acid alternatives
Best For
Watch Out
- !Not vegan or vegetarian — capsule shell contains animal-derived gelatin
- !Pill size is notably large and may cause swallowing difficulty
- !No independent third-party testing disclosed — consumers rely on Solgar's internal QC
- !Confusion between capsule and tablet formats across different Solgar Ester-C SKUs
What is Ester-C 1000mg Vitamin C 90 Capsules?
Ester-C 1000mg Vitamin C 90 Capsules is a vitamin c product by Solgar in capsule form, scoring 74.0/100 on AIScored.
- • Solgar® Ester C® Vitamin C 1000 mg is a high strength formula, delivering all the health benefits of this premium, patented form of vitamin C, in a convenient one-a day capsule.
- • It offers a gentler, more easily digested form of vitamin C which is pH neutral and non-acidic.
- • The metabolites of Ester-C® have a positive effect on the levels of vitamin C retention in the bodys immune cells, giving you superior immune support.
- • Solgars Ester-C® is an exclusive formulation with additional natural plant bioflavonoids, that naturally accompany vitamin C in fruits and vegetables.Vitamin C contributes to:Normal function of the immune systemNormal collagen formation for the normal function of bones, teeth and cartilageNormal collagen formation for the normal function of skinProtection of cells from oxidative stressNormal functioning of the nervous systemReduction of tiredness and fatigueIncreased iron absorption.
Is Ester-C 1000mg Vitamin C 90 Capsules Independently Tested?
No Third-Party Testing Visible
We could not find evidence of independent third-party testing for this product. This doesn't mean it's unsafe, but independent verification provides additional assurance.
How We Score Supplements
Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:
Effectiveness
How well the product delivers its claimed benefits, based on reviews and ingredient evidence.
Ingredient Quality
Bioavailable forms, clinically effective dosages, clean label, minimal fillers.
Value for Money
Price relative to ingredient quality, dosage count, and effectiveness.
Side Effects Profile
Higher score = fewer side effects. 100 means virtually no adverse reactions reported.
Certifications & Testing
Third-party lab testing, GMP certification, and independent quality verification.
Overall Score
Weighted combination of all factors. Our bottom-line recommendation.
How Does Ester-C 1000mg Vitamin C 90 Capsules Compare?
See how this product stacks up against the top-rated vitamin c in our database.
| Product | Score | Price |
|---|---|---|
| Ester-C 1000mg Vitamin C 90 Capsules (this) | 74.0 | £22.94 |
| Garden of Life Vitamin Code Raw ... | 78.0 | £49.99 |
Price History (90 days)
Quick Facts
- Form
- capsule
- Vegan
- No
Frequently Asked Questions
Is Ester-C 1000mg Vitamin C 90 Capsules worth buying in 2026? ▼
What is the best price for Ester-C 1000mg Vitamin C 90 Capsules in the UK? ▼
What are the pros and cons of Ester-C 1000mg Vitamin C 90 Capsules? ▼
Is Ester-C 1000mg Vitamin C 90 Capsules third-party tested? ▼
How does Ester-C 1000mg Vitamin C 90 Capsules compare to Garden of Life Vitamin Code Raw B-Complex 120 Capsules? ▼
Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.
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Garden of Life Vitamin Code Raw B-Complex 120 Capsules
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This product is recommended in the following curated guides.
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