---
product_id: 47698738
title: "Klaire Labs SFI Health Ester-C, 100 Capsules"
brand: "sfi health"
price: "€ 64.79"
currency: EUR
in_stock: true
reviews_count: 4
category: "Sfi Health"
url: https://www.desertcart.gr/products/47698738-klaire-labs-sfi-health-ester-c-100-capsules
store_origin: GR
region: Greece
---

# Hypoallergenic & allergen-free 500 mg buffered Vitamin C Gentle, non-acidic formula Klaire Labs SFI Health Ester-C, 100 Capsules

**Brand:** sfi health
**Price:** € 64.79
**Availability:** ✅ In Stock

## Summary

> 🛡️ Elevate your immunity—gentle, pure, and proven protection!

## Quick Answers

- **What is this?** Klaire Labs SFI Health Ester-C, 100 Capsules by sfi health
- **How much does it cost?** € 64.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/47698738-klaire-labs-sfi-health-ester-c-100-capsules)

## Best For

- sfi health enthusiasts

## Why This Product

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

## Key Features

- • **Clean & Pure Wellness:** Free from common allergens and artificial additives—because your health deserves the best.
- • **Clinically Trusted Since 1969:** Formulated with patented mineral ascorbates and metabolites, backed by decades of healthcare practitioner trust.
- • **Sustained Antioxidant Support:** Unique vitamin C metabolites enhance absorption and retention for longer-lasting immune defense.
- • **Stomach-Friendly Immunity Boost:** Buffered Ester-C delivers 500 mg of vitamin C without acidity, perfect for sensitive stomachs.
- • **Millennial-Approved Daily Essential:** Compact 100-capsule pack fits your busy lifestyle and wellness goals effortlessly.

## Overview

Klaire Labs SFI Health Ester-C offers a patented, non-acidic 500 mg vitamin C formula designed for superior absorption and gentle digestion. Hypoallergenic and free from common allergens and artificial ingredients, this supplement supports immune and antioxidant health with trusted clinical backing since 1969.

## Description

A non-acidic form of vitamin C that is gentle on the stomach. Created by a unique process resulting in a patented mixture of mineral ascorbates and vitamin C metabolites. Ester-C® can be taken by anyone who wishes to increase their intake of vitamin C. This non-acidic form may be more comfortably digested by those who have difficulty tolerating regular vitamin C.*

Review: Good rating - Good rating.
Review: worth the extra cot - Tried different Brands but with Klare labs here is a difference

## Features

- Ester-C is a buffered, non-acidic form of vitamin C that is gentle on the stomach.*
- Created by a unique process resulting in a patented mixture of mineral ascorbates and vitamin C metabolites.
- May be more comfortably digested by those who have difficulty tolerating regular vitamin C.*
- Hypoallergenic* product free of the following common allergens: milk/ casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, and soybeans. Contains no artificial colors, flavors, or preservatives.
- Trusted by healthcare practitioners since 1969, Klaire Labs products are developed closely with physicians and are intended to be used as directed by a healthcare practitioner.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01B6UENEQ |
| Age Range Description | Adult |
| Allergen Information | Hypoallergenic |
| Best Sellers Rank | #160,454 in Health & Household ( See Top 100 in Health & Household ) #756 in Vitamin C Supplements |
| Brand | SFI Health |
| Brand Name | SFI Health |
| Customer Reviews | 4.5 out of 5 stars 39 Reviews |
| Diet Type | Gluten Free |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Item Form | Capsule |
| Manufacturer | SFI Health |
| Manufacturer Part Number | ETC |
| Material Type Free | Egg Free, Milk Free, Peanut Free, Soy Free, Tree Nuts Free |
| Number of Items | 1 |
| Primary Supplement Type | Vitamin C Capsules |
| Product Benefits | Immune Support |
| Specific Uses For Product | Antioxidant,Immune |
| UPC | 828054002128 |
| Unit Count | 100 Count |

## Product Details

- **Brand:** SFI Health
- **Diet Type:** Gluten Free
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Primary Supplement Type:** Vitamin C Capsules

## Images

![Klaire Labs SFI Health Ester-C, 100 Capsules - Image 1](https://m.media-amazon.com/images/I/61cIetc6JcL.jpg)
![Klaire Labs SFI Health Ester-C, 100 Capsules - Image 2](https://m.media-amazon.com/images/I/51S2nuW5diL.jpg)
![Klaire Labs SFI Health Ester-C, 100 Capsules - Image 3](https://m.media-amazon.com/images/I/61uevoSwd-L.jpg)
![Klaire Labs SFI Health Ester-C, 100 Capsules - Image 4](https://m.media-amazon.com/images/I/718+Nc6UuBL.jpg)
![Klaire Labs SFI Health Ester-C, 100 Capsules - Image 5](https://m.media-amazon.com/images/I/71CpgyjJ0OL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good rating
*by D***D on May 11, 2026*

Good rating.

### ⭐⭐⭐⭐⭐ worth the extra cot
*by M***R on October 18, 2023*

Tried different Brands but with Klare labs here is a difference

### ⭐⭐⭐⭐⭐ Great
*by K***L on July 27, 2018*

Great supplement

## Frequently Bought Together

- Klaire Labs Ester-C - 500 mg Buffered Vitamin C - Non-Acidic Form Designed to Be Gentle On The Stomach - Immune & Antioxidant Support - Hypoallergenic (100 Capsules)
- Klaire Labs Vitamin D3 5000 IU - High Potency Vitamin D 125mcg - Immune Support - Helps Promote Bone & Heart Health - Hypoallergenic (100 Capsules)
- Klaire Labs Thera-B - Essential Vitamin B Complex, Hypoallergenic Formula with Activated Metafolin Folate (L-5-MTHF), Biotin & Methylcobalamin (100 Tablets)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-08-30*