---
product_id: 66617928
title: "American Health with Citrus Bioflavonoids Capsules - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count"
brand: "ester-c"
price: "€ 49.53"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/66617928-american-health-with-citrus-bioflavonoids-capsules-24-hour-immune-support
store_origin: FI
region: Finland
---

# 24-hour immune support Non-GMO & gluten-free purity Citrus bioflavonoids for optimal absorption American Health with Citrus Bioflavonoids Capsules - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count

**Brand:** ester-c
**Price:** € 49.53
**Availability:** ✅ In Stock

## Summary

> 🛡️ Stay unstoppable with 24/7 immune armor!

## Quick Answers

- **What is this?** American Health with Citrus Bioflavonoids Capsules - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count by ester-c
- **How much does it cost?** € 49.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/66617928-american-health-with-citrus-bioflavonoids-capsules-24-hour-immune-support)

## Best For

- ester-c enthusiasts

## Why This Product

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

## Key Features

- • **Clean & Pure:** Free from gluten, soy, dairy, artificial flavors, and GMOs—because your health deserves the best.
- • **Gentle Power:** Non-acidic, water-based formula ensures stomach comfort without compromise.
- • **All-Day Defense:** Ester-C delivers a full 24-hour immune boost with just one 1000 mg dose daily.
- • **Cellular Shield:** Naturally-occurring metabolites help retain Vitamin C in white blood cells, fortifying your immune system.
- • **Absorption Amplified:** Citrus bioflavonoids enhance Vitamin C uptake for maximum effectiveness.

## Overview

American Health Citrus Bioflavonoids Capsules provide a potent, non-acidic 1000 mg Vitamin C formula with 24-hour immune support. Enhanced with citrus bioflavonoids for superior absorption and naturally-occurring metabolites to boost Vitamin C retention in white blood cells. This non-GMO, gluten-free supplement is gentle on the stomach and free from common allergens, making it a smart daily defense for busy professionals.

## Description

American Health with Citrus Bioflavonoids Capsules - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count

## 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, milk or milk derivatives, no lactose, no soy, no egg, no grapefruit, no sugar, no artificial flavors, no sodium; Non-GMO

## Product Details

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

## Images

![American Health with Citrus Bioflavonoids Capsules - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count - Image 1](https://m.media-amazon.com/images/I/71+HlPE3okL.jpg)

## Available Options

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

## Questions & Answers

**Q: The tablets are huge and dry and get stuclk in your throat. Are these capsules or caplets and what is the difference, I want the smooth ones?**
A: These are capsules. The tablets say tablets and are a little less expensive but they are coarse horse pills as you mentioned. The capsules are still big but easier to handle imho.

**Q: Do these have any adjuvants?  Like stéarate etc.**
A: I do not know if Ester-C has adjuvants.  All I do know is that I've been taking this particular brand of Vitamin C for years because it keeps Vertigo at bay because of the bioflavonoids. I have literally taken this product when I had the beginnings of vertigo symptoms and they went away within a few hours!  It helps with drying out and balancing the middle ear.   Also, I have not gotten sick in many years and take this on a daily basis

**Q: Has this product been tested by USP?**
A: I had to look up USP - I don't know. There's nothing I see on the label. I'm pretty rigorous in researching products that I consider buying and this product passes muster with me.

**Q: Is 500 mg tablets smaller than ester-c vitamin c, 1,000 mg tablets?i need a smaller tablets so i need to decide which tablet is smaller.thnx**
A: Yes, I have the same issue with the extremely large 1000 mg tablets in this brand. I typically only take half of them. The capsules are smaller. I am rusty on my capsule sizes--  but they ar definitely smaller and much easier to swallow than the larger strength tablets. They are not the smallest size capsules. I think you will manage them.

## Frequently Bought Together

- Ester-C American Health with Citrus Bioflavonoids Capsules - 24-Hour Immune Support, Gentle On Stomach, Non-Acidic Vitamin C - Non-GMO, Gluten-Free - 1000 mg, 90 Count
- NOW Foods Supplements, Vitamin B-100, Energy Production*, Nervous System Health*, 100 Veg Capsules

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**Shop now:** [https://www.desertcart.fi/products/66617928-american-health-with-citrus-bioflavonoids-capsules-24-hour-immune-support](https://www.desertcart.fi/products/66617928-american-health-with-citrus-bioflavonoids-capsules-24-hour-immune-support)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-22*