---
product_id: 10605144
title: "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: "18.00 OMR"
currency: OMR
in_stock: true
reviews_count: 11
category: "Thorne"
url: https://www.desertcart.com.om/products/10605144-high-potency-vitamin-c-ascorbic-acid-with-calcium-magnesium-potassium
store_origin: OM
region: Oman
---

# 1000mg Vitamin C per serving Third-party tested & certified Calcium, Magnesium & Potassium blend 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:** 18.00 OMR
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 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?** 18.00 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/10605144-high-potency-vitamin-c-ascorbic-acid-with-calcium-magnesium-potassium)

## 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

Review: Great Quality Vitamin C - There are a lot of Vitamin C products out there so I was skeptical. I got this one because of the good reputation of THORNE and prior experience. This Buffered C Power is great. It dissolves quickly. It doesn't have added sugars to make it taste good. But more importantly, it works good!
Review: Consistent quality for years - We have been buying this for many years, and find it to be the same quality throughout. This buffered C powder was first recommended by our ND for part of a detox protocol, and then at a lower dose as part of a hydration and electrolyte balancing. Usually I add just a pinch or half the (included) scoop into a litre or gallon of water or homemade lemonade to sip throughout the day. I add it to my homemade lemonade as the plain taste is a bit chalky, and it does dissolve really well in lemonade. Easy to measure as the scoop is included. Can be added to a smoothie or cold fruit tea or juice. This blend is not just the vitamin C, but is a buffered formula meant to be softer on digestion (C can feel acidic), however the magnesium will stimulate bowel movement when ingested past your personal tolerance. Best to test out by using less at first. This can last our family awhile depending on time of year, whether anyone has gotten sick, and is a standard in our home. Unfortunately the price has increased significantly.

## 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 |
| Age Range Description | Adult |
| Allergen Information | Dairy Free, Fish Free, Shellfish Free, Soy Free |
| Best Sellers Rank | #26,411 in Health & Household ( See Top 100 in Health & Household ) #186 in Vitamin C Supplements |
| Brand | THORNE |
| Brand Name | THORNE |
| Customer Reviews | 4.5 out of 5 stars 894 Reviews |
| 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 |
| 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 | Immune Support, Skin, Hair & Nails* |
| 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

![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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Quality Vitamin C
*by L***E on December 3, 2025*

There are a lot of Vitamin C products out there so I was skeptical. I got this one because of the good reputation of THORNE and prior experience. This Buffered C Power is great. It dissolves quickly. It doesn't have added sugars to make it taste good. But more importantly, it works good!

### ⭐⭐⭐⭐⭐ Consistent quality for years
*by M***N on October 31, 2025*

We have been buying this for many years, and find it to be the same quality throughout. This buffered C powder was first recommended by our ND for part of a detox protocol, and then at a lower dose as part of a hydration and electrolyte balancing. Usually I add just a pinch or half the (included) scoop into a litre or gallon of water or homemade lemonade to sip throughout the day. I add it to my homemade lemonade as the plain taste is a bit chalky, and it does dissolve really well in lemonade. Easy to measure as the scoop is included. Can be added to a smoothie or cold fruit tea or juice. This blend is not just the vitamin C, but is a buffered formula meant to be softer on digestion (C can feel acidic), however the magnesium will stimulate bowel movement when ingested past your personal tolerance. Best to test out by using less at first. This can last our family awhile depending on time of year, whether anyone has gotten sick, and is a standard in our home. Unfortunately the price has increased significantly.

### ⭐⭐⭐⭐⭐ For my skin and energy!
*by N***A on September 30, 2026*

I chose this product because it suits my sensitive stomach. It makes it easier for me to manage iron absorption from both food and supplements. It lasts a long time since I don't need a full scoop—just a quarter or a fifth of one is enough—so the price is excellent for the quantity you get. I’ve been choosing this brand for a long time; I never experience nausea or stomach pain with it. The powder is white, dissolves easily, and has a mild, pleasant aroma. You should definitely give it a try—it’s much more effective than capsules if you need an energy boost and want your skin to look better)

## 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 Oman*
*Store origin: OM*
*Last updated: 2026-10-16*