Ester-C Vitamin C with Citrus Bioflavonoids 1000 mg
- Form: Tablet
- Supplement Type: Vitamin C
- Diet: Gluten Free
- Allergens: Gluten Free
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A 1000 mg non-acidic Ester-C tablet with added citrus bioflavonoids, gluten free and sold in a 90-count bottle.
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ASIN: B072KCDJJPCategory: Vitamin C Supplements
Overview
Ester-C from American Health combines 1000 mg of a non-acidic vitamin C with citrus bioflavonoids in a 90-count tablet bottle, marketed for 24-hour immune support and described as gentle on the stomach.
Ester-C's distinction from ordinary ascorbic acid is that it's a non-acidic vitamin C form, which the brand pairs with citrus bioflavonoids rather than selling vitamin C alone.
- 1000 mg Ester-C vitamin C
- Citrus bioflavonoids added
- Non-acidic, gentle on stomach
- 90 tablets, gluten free
Who it's for
Suits someone who wants a higher 1000 mg vitamin C dose but finds regular ascorbic acid hard on the stomach. Not needed for anyone who tolerates standard vitamin C tablets without issue.
Pros and cons
- 1000 mg non-acidic vitamin C per serving
- Includes citrus bioflavonoids
- Gluten free, non-GMO
- Tablet form only
- 90-count bottle is a modest supply at daily use
Performance notes
Ester-C uses a non-acidic vitamin C form paired with citrus bioflavonoids, which the brand markets as gentler on the stomach than standard ascorbic acid. The listing frames the benefit as 24-hour immune support, tied to the non-acidic formulation rather than a separate delivery technology.
Specifications
| Brand | Ester-C |
|---|---|
| Form | Tablet |
| Supplement Type | Vitamin C |
| Diet | Gluten Free |
| Allergens | Gluten Free |
| Count | 90 |
| Flavor | Citrus |
| Benefits | Immune Support |
Frequently asked questions
What makes Ester-C different from regular vitamin C?
It uses a non-acidic vitamin C form, which the brand markets as gentler on the stomach.
Does Ester-C include bioflavonoids?
Yes, citrus bioflavonoids are included alongside the 1000 mg vitamin C dose.
How many tablets are in the bottle?
90 tablets.