Hero image 0 of THORNE - High Potency Vitamin C (formerly Buffered C Powder) - Vitamin C (Ascorbic Acid) with Calcium, Magnesium & Potassium - 8.32 Oz, 0 of 10
THORNE - High Potency Vitamin C (formerly Buffered C Powder) - Vitamin C (Ascorbic Acid) with Calcium, Magnesium & Potassium - 8.32 Oz
Key item 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 chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
Specs
- Vitamin & supplement typeDietary Supplements
- Primary ingredientVitamin C
- Health concernDigestive Health
- Serv per cont42
- Dosage1 scoop
- Enteral medication formPowder
Current price is USD$29.00
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About this item
Product details
With calcium, magnesium, and potassium. Since 1984, Thorne has set the standard for the exceptional formulation and quality manufacturing of nutritional supplements. Thorne delivers premium, science-based products, a health diagnostics technology platform, and the latest in medical education. With more than 350 products, Thorne is the most dispensed brand by 30-to 40-year-old health-care practitioners. Thorne is dedicated to improving the health of our community as well as increasing the knowledge of nutritional health and wellness. Since 2012, Thorne has partnered with educational institutes and local charities to donate more than $1M in products and profits.Thorne products do not contain any unnecessary binders, coatings, disintegrants, fillers, or lubricants (including magnesium stearate) that could impair absorption. Thorne adheres to the FDA’s current Good Manufacturing Practices (cGMPs) and has the highest number of NSF Certified for Sport products which test for more than 200 banned substances for elite athletic competitions.
- 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 chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Brand
Thorne
Size
8.32 oz (Pack of 1)
Enteral medication form
Powder
Primary ingredient
Vitamin C
Indications
Stop Use Indications
If pregnant, consult your health-care practitioner before using this product. Other warnings: Vitamin C can cause diarrhea in some individuals in large doses, which can vary from person to person. This resolves when the dosage is reduced.
Health Concern
Digestive Health
Directions
Dosage
1 scoop
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Ingredients
Ingredients
One Scoop (5.7 g) Contains: Vitamin C (as Ascorbic Acid) 2.35 g, Calcium (as Ascorbate reacted from Calcium Carbonate and Ascorbic Acid) 350 mg, Magnesium (as Ascorbate reacted from Magnesium Carbonate and Ascorbic Acid) 350 mg, Potassium (as Ascorbate reacted from Potassium Bicarbonate and Ascorbic Acid) 99 mg. Other Ingredients: None
Warnings
Warning Text
legal:*These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.,safety:If pregnant, consult your health-care practitioner before using this product. OTHER WARNINGS: Vitamin C can cause diarrhea in some individuals in large doses, which can vary from person to person. This resolves when the dosage is reduced.
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Showing 1-3 of 60 reviews
May 14, 2026
ELAINE
5 out of 5 stars review
Verified Purchase
THE BEST VITIMIN C I'VE EVER USED
"THORNE" suppliments are one of my best tolerated and valued health maintenance products. I'e been using several items from this line for about 5 years and have never been disappointed.This Vitimin C is easy to take as a mix in and is a part of my morning routine. I highly recommend it as well as their other health maintenance products.
Incentivized Review
Helpful?1TUR0ZZJXACV109308194
Feb 2, 2026
Walmart customer
5 out of 5 stars review
Verified Purchase
I like this product. It's easy to use, it tastes ok, and works. It helps me sleep and improves my digestion. Will buy it again.
Incentivized Review
Helpful?1TUR0ZZJXACV109308194
Feb 18, 2026
amanda
5 out of 5 stars review
Verified Purchase
quality powder vitamin
like that it's a powder and high potency, but the taste needs improvement
Incentivized Review
Helpful?1TUR0ZZJXACV109308194
