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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

76.0
Quick Answer

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 ...
Ester-C 1000mg Vitamin C 90...
Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules
Gold C®, USP-grade Vitamin ...
California Gold Nutrition
Ester-C 1000mg Vitamin C 90 Capsules
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

Daily immune maintenance users who want a clean, no-frills 1,000 mg dose without paying a premium People who have had stomach trouble with other vitamin C supplements and need a gentler option Vegetarians seeking a long-supply, affordable ascorbic acid capsule free from common allergens Those pairing vitamin C with iron supplements — ascorbic acid is well-established for enhancing non-haem iron absorption
View full review →

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

People with sensitive stomachs who cannot tolerate regular vitamin C Frequent cold sufferers seeking immune maintenance Long-term supplement users who prioritise brand reliability Adults over 40 looking for superior vitamin C retention in immune cells
View full review →

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.

Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules Winner 76.0/100

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.

Effectiveness
Gold C®, USP-gra..
78.0/100
Ester-C 1000mg V..
78.0/100
Ingredient Quality
Gold C®, USP-gra..
75.0/100
Ester-C 1000mg V..
83.0/100
Value for Money
Gold C®, USP-gra..
89.0/100
Ester-C 1000mg V..
65.0/100
Side Effects
Gold C®, USP-gra..
88.0/100
Ester-C 1000mg V..
87.0/100
Certifications
Gold C®, USP-gra..
30.0/100
Ester-C 1000mg V..
48.0/100

What are the key differences?

Gold C®, USP-grade Vita.. is best for: Daily immune maintenance users who want a clean, no-frills 1,000 mg dose without paying a premium, People who have had stomach trouble with other vitamin C supplements and need a gentler option
Ester-C 1000mg Vitamin .. is best for: People with sensitive stomachs who cannot tolerate regular vitamin C, Frequent cold sufferers seeking immune maintenance

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?
Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules scores 76.0/100 overall while Ester-C 1000mg Vitamin C 90 Capsules scores 74.0/100. Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules comes out ahead, scoring higher on effectiveness (78.0 vs 78.0). Gold C®, USP-grade Vitamin C, is best suited for Daily immune maintenance users who want a clean, no-frills 1,000 mg dose without paying a premium and People who have had stomach trouble with other vitamin C supplements and need a gentler option. Ester-C 1000mg Vitamin C 90 Ca is better for People with sensitive stomachs who cannot tolerate regular vitamin C and Frequent cold sufferers seeking immune maintenance.
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?
Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules costs £15.39 while Ester-C 1000mg Vitamin C 90 Capsules is £22.94. For value, Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules scores 89.0/100 vs Ester-C 1000mg Vitamin C 90 Capsules's 65.0/100. Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules delivers better value relative to its quality.
Which has fewer side effects?
Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules scores 88.0/100 for side effects (higher means fewer reported issues) while Ester-C 1000mg Vitamin C 90 Capsules scores 87.0/100. Reviewers report fewer side effects with Gold C®, USP-grade Vitamin C, 1,000 mg, 240 Veggie Capsules. For certification and testing, Gold C®, USP-grade V scores 30.0/100 vs Ester-C 1000mg Vitam's 48.0/100. Always consult a healthcare professional before starting any supplement.

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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.

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