---
product_id: 260842790
title: "Ester-C w/Citrus Bioflavonoids Capsules, 500mg, 300ct"
brand: "american health"
price: "S$59"
currency: SGD
in_stock: true
category: "American Health"
url: https://www.desertcart.sg/products/260842790-ester-c-w-citrus-bioflavonoids-capsules-500mg-300ct
store_origin: SG
region: Singapore
---

# 24-hour immune support non-acidic, gentle on stomach potent antioxidant defense Ester-C w/Citrus Bioflavonoids Capsules, 500mg, 300ct

**Brand:** american health
**Price:** S$59
**Availability:** ✅ In Stock

## Summary

> 🛡️ Stay unstoppable with 24/7 immune power – because your health deserves the best!

## Quick Answers

- **What is this?** Ester-C w/Citrus Bioflavonoids Capsules, 500mg, 300ct by american health
- **How much does it cost?** S$59 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/260842790-ester-c-w-citrus-bioflavonoids-capsules-500mg-300ct)

## 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, pH-neutral formula ensures immune support without stomach discomfort.
- • **Clean & Pure Wellness:** Free from gluten, soy, dairy, artificial flavors, and non-GMO for mindful health.
- • **All-Day Immunity Boost:** One 1000 mg serving delivers round-the-clock immune defense with Ester-C technology.
- • **Enhanced Absorption Formula:** Citrus bioflavonoids optimize Vitamin C uptake for maximum effectiveness.
- • **Powerful Antioxidant Shield:** Fights oxidative stress to help slow premature cellular aging and keep you vibrant.

## Overview

American Health Ester-C delivers a potent 1000 mg dose of Vitamin C with 24-hour immune support, enhanced absorption through citrus bioflavonoids, and a gentle, non-acidic formula that’s free from common allergens and artificial additives, making it the smart daily choice for proactive wellness.

## Description

Flaxseed oil is one of the premium sources of alpha-linolenic acid (Omega 3), an essential fatty acid that cant be made by the body and must be obtained from diet. The oil is derived from the seeds of the flax plant (Linum Usitatissimum), one of the most concentrated vegetarian plant sources of Omega 3 fatty acids found in nature. Omega-3 alpha-linolenic acid from flaxseed oil helps to support cardiovascular, immune, and skin health. This formulation offers premium, Organic flaxseed oil, Cold Pressed without the use of chemical solvents.

## Features

- 24-Hour Immune Support; Ester-C delivers 24-hour immune support, so one daily serving of 1000 mg is all you need; As a potent antioxidant, it helps fight free radicals, which can cause oxidative stress that may lead to the premature aging of cells
- Gentle On The Stomach; Ester-C's water-based manufacturing process neutralizes pH, making it non-acidic and gentle on the stomach
- Optimal Absorption; Added citrus bioflavonoids may help your body better absorb and utilize Vitamin C
- Naturally-Occurring Metabolites; The naturally-occurring metabolites in Ester-C may help enhance the retention of Vitamin C in your white blood cells, an important part of your immune system
- No gluten, no yeast, no wheat, no milk or milk derivatives, no lactose, no soy, no egg, no grapefruit, no sugar, no artificial flavors, no sodium; Non-GMO

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08PW7LS2D |
| ASIN  | B08PW7LS2D |
| Age Range Description | Adult |
| Best Sellers Rank | #4,302 in Health & Household ( See Top 100 in Health & Household ) #41 in Vitamin C Supplements |
| Brand Name | American Health |
| Customer Reviews | 4.8 4.8 out of 5 stars (10,030) |
| Date First Available  | December 7, 2020 |
| Diet Type | Gluten Free |
| Dosage Form | Capsule |
| Flavor | Citrus |
| Item Dimensions | 3.1 x 3.1 x 5.3 inches |
| Item Form | Capsule |
| Item Weight | 10.4 ounces |
| Manufacturer | NPG Solgar |
| Manufacturer  | NPG Solgar |
| Manufacturer Part Number | 30071 |
| Model Name | AMERICAN HEALTH Ester C 500MG CTRS BIOFLV |
| Number of Items | 1 |
| Primary Supplement Type | Vitamin C |
| Product Benefits | Immune Support |
| Product Dimensions  | 3.1 x 3.1 x 5.3 inches; 10.4 ounces |
| Specific Uses For Product | Immune Support |
| UPC | 076630300711 |
| Unit Count | 300 Count |

## Product Details

- **Brand:** American Health
- **Diet Type:** Gluten Free
- **Flavor:** Citrus
- **Item Form:** Capsule
- **Primary Supplement Type:** Vitamin C

## Images

![Ester-C w/Citrus Bioflavonoids Capsules, 500mg, 300ct - Image 1](https://m.media-amazon.com/images/I/71zK0hr45FL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- American Health Ester-C with Citrus Bioflavonoids Capsules - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 500 mg, 300 Count, 150 Servings
- American Health 500 mg with Citrus Bioflavonoids Capsules Gentle On Stomach NonAcidic Vitamin C NonGMO Gluten Free 120 Servings, Ester-C, 240 Count
- PreserVision AREDS 2 Eye Vitamins, Lutein and Zeaxanthin Supplement with Vitamin C, Vitamin E, Zinc, and Copper, 120 Softgels (Minigels)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-11-13*