---
product_id: 254913023
title: "Ester-C with Citrus Bioflavonoids, 1000 mg, 90 Tablets"
brand: "american health"
price: "S$69"
currency: SGD
in_stock: true
reviews_count: 6
category: "American Health"
url: https://www.desertcart.sg/products/254913023-ester-c-with-citrus-bioflavonoids-1000-mg-90-tablets
store_origin: SG
region: Singapore
---

# 24-hour sustained immune support Non-acidic, gentle on stomach formula 1000 mg Vitamin C for daily immune defense Ester-C with Citrus Bioflavonoids, 1000 mg, 90 Tablets

**Brand:** american health
**Price:** S$69
**Availability:** ✅ In Stock

## Summary

> 🛡️ Elevate your immunity game with Ester-C’s gentle, all-day defense!

## Quick Answers

- **What is this?** Ester-C with Citrus Bioflavonoids, 1000 mg, 90 Tablets by american health
- **How much does it cost?** S$69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/254913023-ester-c-with-citrus-bioflavonoids-1000-mg-90-tablets)

## Best For

- american health enthusiasts

## Why This Product

- Trusted american health brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Gentle on Your Gut:** Non-acidic Ester-C neutralizes pH, preventing stomach discomfort common with traditional Vitamin C supplements.
- • **Clean & Pure Wellness:** 100% vegetarian, gluten-free, non-GMO, and free from artificial additives—because your health deserves the best.
- • **Round-the-Clock Immunity:** Patented formula ensures Vitamin C stays active in your system for a full 24 hours—once a day is all you need.
- • **Power-Packed 1000 mg Dose:** Delivers a potent daily boost to keep your immune system at peak performance.
- • **Enhanced Absorption with Citrus Bioflavonoids:** Bioflavonoids amplify Vitamin C uptake by white blood cells, maximizing immune defense.

## Overview

American Health Ester-C with Citrus Bioflavonoids offers a scientifically patented, non-acidic Vitamin C formula delivering 1000 mg per tablet for 24-hour immune support. Enhanced with citrus bioflavonoids for superior absorption, this vegetarian, gluten-free supplement is designed to be gentle on the stomach while providing powerful antioxidant protection.

## Description

American Health Ester-C with Citrus Bioflavonoids Description: Unique Gentle Form of Vitamin C Patented Formula With Citrus Bioflavonoids 100% Vegetarian Non-Acidic 24-Hour Immune Support Non-acidic Ester-C is a breakthrough patented formula that contains naturally-occurring Vitamin C es and is quickly absorbed. Its unique manufacturing process neutralizes pH, gentle on the digestive system. Ester-C along with Citrus Bioflavonoids delivers advanced antioxidant protection, remaining active in the immune system for up to 24 hours! Free Of Gluten, Yeast, Wheat, Milk or Milk Derivatives, Lactose, Soy, Egg, Sugar, Preservatives, Artificial Color, Artificial Flavor, and Sodium. Non-GMO Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.

Review: As described - As described
Review: I have weakness in my muscles for swallowing, but these are not an issue. Bananas are good for items that get stuck. With Diabetes I’ll- 500 Mg does not give me a false high spike from VitC. I get no acid reflux from this Ester-C variety, since this is also an issue for me. Also no stomach issues. A lifesaver since I need to take this with my iron for anemia. Good quality. I can’t comment on absorption. I have issues with absorption unique to my health issues- so haven’t had this individually tested as of late. I do seem to receive benefits from their use. I would recommend them.

## Features

- Metabolites help enhance the absorption of vitamin C by your white blood cells, an important part of your immune system
- Ester-c's unique, chemical-free manufacturing process neutralizes pH, making it non-acidic and gentle on the stomach
- In a daily 1000 mg dose, Ester-c delivers 24-hour immune support, so once a day is all you need

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000MMV80M |
| ASIN  | B000MMV80M |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #89,965 in Health ( See Top 100 in Health ) #550 in Vitamin C Supplements |
| Brand | American Health |
| Customer Reviews | 4.4 4.4 out of 5 stars (317) |
| Customer reviews | 4.4 4.4 out of 5 stars (317) |
| Date First Available | 7 August 2012 |
| Format | Tablet |
| Is Discontinued By Manufacturer  | No |
| Item model number  | 16981 |
| Manufacturer  | American Health |
| Product Dimensions  | 10.16 x 7.62 x 5.08 cm; 181.44 g |
| Weight | 2.51 Pounds |

## Product Details

- **Brand:** American Health
- **Diet type:** Vegetarian
- **Flavour:** Citrus
- **Item form:** Tablet
- **Primary supplement type:** Vitamin C

## Images

![Ester-C with Citrus Bioflavonoids, 1000 mg, 90 Tablets - Image 1](https://m.media-amazon.com/images/I/71Rrl0B76BL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ As described
*by I***. on 9 August 2022*

As described

### ⭐⭐⭐⭐⭐ Review
*by E***S on 6 May 2022*

I have weakness in my muscles for swallowing, but these are not an issue. Bananas are good for items that get stuck. With Diabetes I’ll- 500 Mg does not give me a false high spike from VitC. I get no acid reflux from this Ester-C variety, since this is also an issue for me. Also no stomach issues. A lifesaver since I need to take this with my iron for anemia. Good quality. I can’t comment on absorption. I have issues with absorption unique to my health issues- so haven’t had this individually tested as of late. I do seem to receive benefits from their use. I would recommend them.

### ⭐⭐⭐⭐⭐ Review
*by P***S on 18 October 2023*

As much as I loved taking it, had to switch from Emergency-C powder packets as it was hard on my gastro. EsterC has not caused any known irritation and supplies the additional C that I want.

## Frequently Bought Together

- American Health Ester-C with Citrus Bioflavonoids, 1000 mg, 90 Tablets
- Nature's Bounty Zinc, Immune Support, 50 mg, Caplets, 100 Ct

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-01*