Pure Buffered Magnesium Ascorbate®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 0.25 tsp · 1 per day

Not Present

• 

  Now Magnesium Ascorbate Powder

  Vitacost.com4.7(329)

  $16.53
• 

  NOW Foods Magnesium Ascorbate Powder

  NOW

  $26.99
• 

  Swanson Vitamins Buffered C Magnesium Ascorbate Powder

  iHerb4.6(82)

  $15.29
• 

  Prescribed for Life Magnesium Ascorbate Natural USP Buffered Vitamin C Crystalline Powder

  Prescribed For Life

  $28.99
• 

  Now Foods Magnesium Ascorbate 227 G Vegan Powder Laboratory Tested

  vitaminsuk.com US

  $25.00
• 

  (2 pack) NOW Supplements, Sodium Ascorbate Powder, Buffered, Antioxidant Protection*, 8-Ounce, Size: 2.70 x 2.70 x 4.75, White

  Walmart - Fruitful Yield

  $25.40
• 

  Magnesium Ascorbate Powder 8 OZ by Now Foods (Pack of 4)

  GoSupps.com

  $129.99
• 

  NOW Pure Buffered Calcium Ascorbate

  Instacart4.8(750)

  $10.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• Natural Body Inc.

  4.6 (192)

  Vitamin & supplements store

  135-26 Cross Bay Blvd, Ozone Park, NY 11417

  Directions(718) 848-8144

• The Vitamin Shoppe

  4.3 (205)

  Vitamin & supplements store

  107-60 Queens Blvd, Forest Hills, NY 11375

  Directions(718) 520-8147

• MNSF USA

  Vitamin & supplements store

  105-06 101st Ave, Ozone Park, NY 11416

  Directions(347) 960-8993

• Woodhaven Nutrition

  4.9 (18)

  Vitamin & supplements store

  84-11 Jamaica Ave, Woodhaven, NY 11421

  Directions(646) 260-7717

• GNC

  4.0 (92)

  Vitamin & supplements store

  133-40 79th St, Queens, NY 11414

  Directions(718) 296-4107

• The Vitamin Shoppe

  4.2 (119)

  Vitamin & supplements store

  61-35 Junction Blvd, Rego Park, NY 11374

  Directions(718) 271-7314

• GNC

  2.2 (34)

  Vitamin & supplements store

  73-25 Woodhaven Blvd, Glendale, NY 11385

  Directions(718) 897-7484

• The Vitamin Shoppe

  4.5 (102)

  Vitamin & supplements store

  81-27 37th Ave, Jackson Heights, NY 11372

  Directions(718) 396-2822

• Enhancement of human natural killer cytotoxic activity by vitamin C in pure and augmented formulations

  A Vojdani, G Namatalla - Journal of nutritional & environmental …, 1997 - Taylor & Francis

  … Twenty-two healthy subjects were given either ascorbic acid … Now we know that the ascorbate molecule plays a role in … To overcome this problem, Ultra Potent-C or buffered vitamin C …

  199715 citations

• New evidence for antioxidant properties of vitamin C

  A Vojdani, M Bazargan, E Vojdani, J Wright - Cancer Detection & …, 2000 - ovid.com

  … The day-today variability of the assay was less than 20%. … 1,000 mg ascorbic acid, when results at days 1, 7, and 15 after … healthy volunteers who had dietary supplements of 500 mg of …

  2000104 citations

• Magnesium and ascorbic acid supplementation in diabetes mellitus

  J Eriksson, A Kohvakka - Annals of nutrition and metabolism, 1995 - karger.com

  … supplemented for 1year with 500 mg vitamin C. We were able … However, mostly healthy subjects have been studied, which … for supplementation with antioxidants, but until now little …

  1995214 citations

• Stability of aqueous solutions of ascorbate for basic research and for intravenous administration

  BA Wagner, GR Buettner - Advances in Redox Research, 2023 - Elsevier

  … Ascorbate (vitamin C) can rapidly oxidize in many near-neutral pH, aqueous solutions. We report on the stability of ascorbate … g of ascorbate/L in water for infusion. The concentration of …

  202338 citations

• Ascorbic acid supplementation improves skeletal muscle oxidative stress and insulin sensitivity in people with type 2 diabetes: Findings of a randomized controlled …

  SA Mason, PA Della Gatta, RJ Snow, AP Russell… - Free Radical Biology …, 2016 - Elsevier

  … of AA (2×500 mg/day) or placebo supplementation. Insulin sensitivity was assessed using a … activity and protein abundances of sodium-dependent vitamin C transporter 2 (SVCT2), total …

  2016105 citations

• Effect of six weeks 1000 mg/day vitamin C supplementation and healthy training in elderly women on genes expression associated with the immune response-a …

  M Żychowska, A Grzybkowska, M Zasada… - Journal of the …, 2021 - Springer

  … , but supplementation of 1000 mg vitamin C positively affected IL-… of antioxidant supplementation on human health, until now … of vitamin C is “buffered” within a homeostatic …

  202126 citations

• Magnesium Forms Explained: Oxide, Citrate, and Glycinate

  The magnesium form on a label affects how much elemental magnesium you get. Here is how the common forms compare.

  VitaSuppTrack Editorial· Jun 24, 2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-02-25. DSLD Label ID: 244688. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.