Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules vs Ester-C 1000mg Vitamin C 90 Capsules
Side-by-side comparison of scores, ingredients, prices and real customer feedback for Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules and Ester-C 1000mg Vitamin C 90 Capsules.
Last verified: 07 Apr 2026 · Based on 62 reviews
Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules scores 76.0/100 vs Ester-C 1000mg Vitamin C 90 Capsules at 74.0/100. Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules wins on value for money, side effects. Ester-C 1000mg Vitamin C 90 Capsules is stronger on ingredient quality and certifications.
Which is better: Gold C®, USP-grade Vitamin ... or Ester-C 1000mg Vitamin C 90...?
Gold C wins on both score (76 versus 74) and price—£15.39 versus £22.94—with 240 capsules to Ester-C's 90. Pick Ester-C only if you can't tolerate regular vitamin C and value Solgar's reputation enough to pay more.
— AIScored Editorial Team
How Do the Scores Compare?
Gold C®, USP-grade Vitamin ...
California Gold Nutrition
|
Ester-C 1000mg Vitamin C 90...
Solgar
|
|
|---|---|---|
| Overall Score | 76.0 | 74.0 |
| Effectiveness |
78.0/100
Best
|
78.0/100
Best
|
| Ingredient Quality | 75.0/100 |
83.0/100
Best
|
| Value for Money |
89.0/100
Best
|
65.0/100 |
| Side Effects |
88.0/100
Best
|
87.0/100 |
| Certifications | 30.0/100 |
48.0/100
Best
|
| Best Price |
£15.39
iHerb →
Cheapest
|
£22.94 Amazon UK → |
| Form | None | capsule |
| Dose | None | None |
| Third-Party Tested | ✗ No | ✗ No |
| Reviews Analysed | 50 | 12 |
Gold C®, USP-grade Vitamin C, 1,...
Pros
- ✓Stomach-friendly at 1,000 mg — the single most mentioned benefit in reviews, with the majority explicitly noting no acidity or heartburn
- ✓Exceptional value: 240 capsules at one per day is an 8-month supply at a low per-dose cost, praised consistently
- ✓Minimal formula — ascorbic acid, hypromellose capsule, magnesium stearate, no fillers, allergens, or unnecessary additives
- ✓Frequent reviewer reports of fewer colds, faster recovery, and brighter skin from sustained daily use
Cons
- ✗Plain ascorbic acid is the most basic vitamin C form — not liposomal or buffered, which can offer improved tolerance or bioavailability for some people
- ✗No verified third-party testing per product specs — quality assurance relies on the manufacturer's own testing processes
- ✗At least one reviewer finds the capsules on the large side, though most describe them as easy to swallow
- ✗A handful of reviewers notice only subtle or delayed effects, particularly in the first few weeks
Best For
Ester-C 1000mg Vitamin C 90 Capsules
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
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
What does the data say about Gold C®, USP-grade Vit... vs Ester-C 1000mg Vitamin...?
Gold C USP-grade Vitamin C offers a basic 1000 mg ascorbic acid dose in veggie capsules while Ester-C 1000mg Vitamin C uses a pH-neutral non-acidic form that many find easier on the gut. Both deliver 1000 mg per serving yet they differ sharply in supply length and capsule type. Gold C gives you 240 capsules for eight months at £15.39. Ester-C packs just 90 capsules into its £22.94 price. Effectiveness scores tie at 78.0/100 but ingredient quality favours Ester-C at 83.0/100 against Gold C's 75.0/100.
Pick Gold C if you want simple daily immune maintenance without spending much. Its overall score of 76.0/100 beats Ester-C's 74.0/100 and the value score hits 89.0/100 thanks to that long supply and low per-dose cost. Vegetarians who need a clean formula free from common allergens should choose it too. Go for Ester-C when you have a sensitive stomach that reacts badly to regular vitamin C and you value the Solgar brand history. Its higher ingredient quality score suits long-term users who put reliability first even at the steeper price.
Practical points matter here. Gold C earns praise for causing no acidity or heartburn at the full 1000 mg dose. Ester-C capsules often feel too large and some people break them to swallow. The Solgar product contains non-plant-based capsule material so it does not suit vegetarians or vegans. Gold C sticks to a minimal mix of ascorbic acid hypromellose and magnesium stearate with no extra fillers.
At 1,000 mg ascorbic acid per veggie capsule, this is a high-dose vitamin C with an unusually clean formula — the active ingredient, hypromellose capsule shell, and magnesium stearate, nothing else.
What are the key differences?
Frequently Asked Questions
Which is better, Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules or Ester-C 1000mg Vitamin C 90 Capsules? ▼
Is Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules worth the price compared to Ester-C 1000mg Vitamin C 90 Capsules? ▼
Which has fewer side effects? ▼
Related Product Comparisons
NOW Foods Vitamin C-1000 with Rose Hips & Bioflavonoids - 250 Tablets
vs Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules
NOW Foods Vitamin C-1000 with Rose Hips & Bioflavonoids - 250 Tablets
vs Ester-C 1000mg Vitamin C 90 Capsules
Gold C®, USP-Grade Vitamin C, 1,000 mg, 60 Veggie Capsules
vs Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules
Gold C®, USP-Grade Vitamin C, 1,000 mg, 60 Veggie Capsules
vs Ester-C 1000mg Vitamin C 90 Capsules
Natural Cranberry with Vitamin C 60 Vegi Capsules
vs Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules
Natural Cranberry with Vitamin C 60 Vegi Capsules
vs Ester-C 1000mg Vitamin C 90 Capsules
Disclaimer: AIScored provides data-driven comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.
Feedback & Suggestions
Spotted an issue? Wrong price, incorrect data, or something else off? Let us know and we'll fix it.
Missing a product you'd like us to review? Tell us the product name and we'll consider adding it.