---
product_id: 10605144
title: "THORNE - High Potency Vitamin C - Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy Immune Function & Antioxidant Support* - Third-Party Certified - Gluten, Dairy & Soy-Free - 42 Servings"
brand: "thorne"
price: "€ 45.01"
currency: EUR
in_stock: true
category: "Thorne"
url: https://www.desertcart.ie/products/10605144-thorne-high-potency-vitamin-c-ascorbic-acid-with-calcium-magnesium
store_origin: IE
region: Ireland
---

# 1000mg Vitamin C per serving Third-party tested & certified Calcium, Magnesium & Potassium blend THORNE - High Potency Vitamin C - Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy Immune Function & Antioxidant Support* - Third-Party Certified - Gluten, Dairy & Soy-Free - 42 Servings

**Brand:** thorne
**Price:** € 45.01
**Availability:** ✅ In Stock

## Summary

> 💥 Elevate your wellness game with THORNE’s powerhouse Vitamin C blend!

## Quick Answers

- **What is this?** THORNE - High Potency Vitamin C - Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy Immune Function & Antioxidant Support* - Third-Party Certified - Gluten, Dairy & Soy-Free - 42 Servings by thorne
- **How much does it cost?** € 45.01 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/10605144-thorne-high-potency-vitamin-c-ascorbic-acid-with-calcium-magnesium)

## Best For

- thorne enthusiasts

## Why This Product

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

## Key Features

- • **Immune Powerhouse:** High-potency vitamin C fortified with essential minerals for superior immune defense and antioxidant protection.
- • **Pro-Approved Brand:** Endorsed by 100+ professional sports teams and the #1 clinical brand recommended by health practitioners.
- • **Skin & Tissue Glow-Up:** Boosts collagen synthesis to enhance skin elasticity, nail strength, and hair vitality—your daily beauty ritual.
- • **Certified Clean & Trusted:** Third-party tested to guarantee purity and potency—no gluten, dairy, or soy, just pure wellness.
- • **Gentle Absorption Formula:** Buffered with calcium, magnesium, and potassium ascorbates to maximize absorption without stomach discomfort.

## Overview

THORNE High Potency Vitamin C delivers 1000mg of pure ascorbic acid per serving, enhanced with calcium, magnesium, and potassium for optimal immune support and antioxidant defense. This third-party certified, allergen-free powder promotes collagen production for healthier skin, nails, and hair while ensuring gentle absorption. Trusted by top sports teams and healthcare professionals, it offers 42 servings of clean, potent nutrition to keep you performing at your best.

## Description

Buy THORNE - High Potency Vitamin C - Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy Immune Function & Antioxidant Support* - Third-Party Certified - Gluten, Dairy & Soy-Free - 42 Servings on desertcart.com ✓ FREE SHIPPING on qualified orders

## Features

- Immune Support: Essential vitamin C with additional minerals for optimal immune function and antioxidant support resulting in better cellular protection against free radicals within the body*
- Healthy Skin: Promotes collagen production, which enhances skin, nail, and hair health and supports healthy tissue and cartilage formation*
- Easy on the Stomach: Calcium, magnesium, and potassium ascorbates serve as a buffer to help make the higher serving of vitamin C easier to absorb, while providing additional support for healthy bones and soft tissue*
- Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
- Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005IZIXC4 |
| ASIN  | B005IZIXC4 |
| Age Range Description | Adult |
| Allergen Information | Dairy Free, Fish Free, Shellfish Free, Soy Free |
| Best Sellers Rank | #25,502 in Health & Household ( See Top 100 in Health & Household ) #177 in Vitamin C Supplements |
| Brand Name | THORNE |
| Customer Reviews | 4.5 4.5 out of 5 stars (894) |
| Date First Available  | January 22, 2008 |
| Diet Type | Gluten Free |
| Dosage Form | Powder |
| Flavor | Unflavored |
| Global Trade Identification Number | 00693749155027 |
| Item Dimensions | 3.5 x 3.5 x 4 inches |
| Item Form | Powder |
| Item Weight | 8.32 ounces |
| Item model number  | C155 |
| Manufacturer | Thorne Research |
| Manufacturer  | Thorne Research |
| Manufacturer Part Number | C155 |
| Material Type Free | no artificial flavors,soy free,gluten free,dairy free |
| Model Number | C155 |
| Primary Supplement Type | Vitamin C |
| Product Benefits | Antioxidant |
| Product Dimensions  | 3.5 x 3.5 x 4 inches; 8.32 ounces |
| Specific Uses For Product | Bone |
| UPC | 693749155027 885193991829 |
| Unit Count | 8.32 Ounce |

## Product Details

- **Brand:** THORNE
- **Diet Type:** Gluten Free
- **Flavor:** Unflavored
- **Item Form:** Powder
- **Primary Supplement Type:** Vitamin C

## Images

![THORNE - High Potency Vitamin C - Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy Immune Function & Antioxidant Support* - Third-Party Certified - Gluten, Dairy & Soy-Free - 42 Servings - Image 1](https://m.media-amazon.com/images/I/51xcHiFXa6L.jpg)

## Questions & Answers

**Q: What makes Thorne supplements high quality?**
A: Thorne produces high-quality supplements through rigorous testing, well-researched ingredient sourcing, and strict manufacturing standards. We avoid unnecessary additives, binders, and fillers that may interfere with nutrient absorption.

**Q: How does Thorne test its supplements for quality?**
A: To confirm the purity of our ingredients, the potency of our formulas, and the absence of all contaminants, we carry out a minimum of four rounds of testing on every product we manufacture. 100+ Thorne employees are dedicated to ensuring quality.

**Q: Are Thorne supplements clinically tested and safe?**
A: Thorne partners with researchers and conducts clinical trials to support the efficacy of our products. Our team of doctors and medical experts substantiate each ingredient in every formula based on extensive clinical research and medical literature.

**Q: Why are Thorne products more expensive than other supplements?**
A: When it comes to the health of our customers, we never settle. Thorne products may be priced higher than some others because of our commitment to quality at every step. We don’t simply meet the standard in dietary supplements — we set the standard.

**Q: Where are Thorne supplements made and where are the ingredients sourced from?**
A: Located in South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. When it comes to ingredient sourcing, we seek out only the highest-quality ingredients, selecting each one for its purity and effectiveness.

## Frequently Bought Together

- THORNE Buffered C Powder - Vitamin C (Ascorbic Acid) with Calcium, Magnesium, and Potassium - 8.32 Oz
- ORGANIC INDIA Whole Psyllium Husk Powder Organic - Psyllium Husk Fiber Supplement, Digestion Support, Vegan, Gluten-Free, Non-GMO, Soluble & Insoluble Fiber Source - 12 oz (Pack of 1)
- Spectrum Essentials Organic Ground Premium Flaxseed, 24 Oz

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-09-22*