Doctor's Best Vitamin C 1000mg Supplement for Men & Women
- Vitamin C
- Capsule
- Vitamin C
- 120
- More reviewed than 77%
A vegan 1000mg vitamin C capsule built around a named Quali-C ascorbic acid source, with soy and gluten both excluded from the formula.
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How it ranks among the 88 vitamin c we track
4.8★ across 10,302 Amazon ratings, Bayesian-smoothed toward the category average.
10,302 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
2,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 88 vitamin c we track - how the scorecard works · full vitamin c data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Doctor's Best vitamin C capsules made with Quali-C ascorbic acid at 1000mg per serving, 120 vegan capsules, non-GMO, gluten free and soy free.
Quali-C is a specific branded source of ascorbic acid, so buyers who track supplement sourcing will recognize the named ingredient rather than a generic ascorbic acid listing. The formula avoids soy in addition to gluten, a detail some vitamin C capsules leave out.
- 1000mg Quali-C ascorbic acid per capsule
- 120 vegan veggie capsules
- Non-GMO, gluten free, soy free
- Supports immune health
Who it's for
Works for buyers wanting a straightforward 1000mg vitamin C capsule with a named, traceable ascorbic acid source who also avoid soy and gluten. Not needed by anyone already satisfied with a generic ascorbic acid product at a similar dose.
Strengths and trade-offs
Drawn from this product's published specifications.
- 1000mg vitamin C per capsule
- Named Quali-C ascorbic acid source
- Soy free and gluten free
- No review data available in this listing
- 120 count is a smaller supply than some competing bottles
Performance notes
Each capsule supplies 1000mg of ascorbic acid sourced as Quali-C, aimed at supporting immune health as listed on the label.
Specifications
| Brand | Doctor's |
|---|---|
| Model | DRB-00257 |
| Form | Capsule |
| Supplement Type | Vitamin C |
| Count | 120 |
| Flavor | Unflavored |
| Diet | Vegan |
| Benefits | Immune Support |
| Allergens | Gluten Free |
Other Doctor's vitamin c
How it compares
This product against the closest alternatives we track in vitamin c.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Doctor's Best Vitamin C 1000mg Supplement for Men & WomenThis product | 4.8 / 5 | 10,302 | 4.6 / 5 |
| Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Caffeine Free Vitamin C…Emergen-C | 4.8 / 5 | 53,857 | 4.7 / 5 |
| Nature's Bounty Vitamin C + Rose HipsNature’s | 4.8 / 5 | 49,343 | 4.7 / 5 |
| Nature Made Extra Strength Vitamin C 1000 mg TabletsNATURE | 4.8 / 5 | 40,190 | 4.7 / 5 |
| Nutricost Vitamin C with Rose Hips 1025mgNutricost | 4.8 / 5 | 23,867 | 4.7 / 5 |
Similar vitamin c from other brands
Questions about the Doctor's DRB-00257
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is Quali-C?
It is the named branded ascorbic acid source used in this vitamin C formula.
Is this vitamin C vegan?
Yes, it is made in vegan capsules.
Does it contain soy?
No, the product is labeled soy free.