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

  iHerb4.7(329)

  $16.53
• 

  NOW Foods Magnesium Ascorbate Powder

  NOW

  $26.99
• 

  (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
• 

  Swanson Vitamins Buffered C Magnesium Ascorbate Powder

  Swanson Health Products4.6(82)

  $15.29
• 

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

  Prescribed For Life

  $28.99
• 

  3 x magnesium ascorbate 227 g of powder - NOW Foods

  Naturitas

  $58.50
• 

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

  GoSupps.com

  $129.99
• 

  NOW Vitamin C-1000 Complex

  PureFormulas.com4.7(3200)

  $21.76

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• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• Minerva Wellness

  5.0 (21)

  Vitamin & Supplements Shop

  71-75 Shelton St, London WC2H 9JQ

  Directions020 7459 4641

• Nutrapad Ltd –Pharmacy-friendly, Hydration, Immunity & Wellness Support - oxford street

  5.0 (4)

  Vitamin & Supplements Shop

  41 Bloomsbury Way, London WC1A 2SA

  Directions07904 096549

• Prodentim

  5.0 (1)

  Vitamin & Supplements Shop

  72 Regent St., London W1B 4EN

  Directions028 6745 7567

• Aphro-D

  4.9 (82)

  Vitamin & Supplements Shop

  27 Old Gloucester St, London WC1N 3AF

  Directions+1 224-241-7531

• Nutriburst

  4.6 (30)

  Manufacturer

  8 Waterloo Pl, London SW1Y 4BN

  Directions020 3943 8201

• RightNutri

  4.9 (78)

  Vitamin & Supplements Shop

  26 Queenstown Rd, London SW8 3RX

  Directions0800 098 8888

• Holland & Barrett - Maddox Street

  4.3 (52)

  Vitamin & Supplements Shop

  6-8 Maddox St, London W1S 1NR

  Directions0330 058 2640

• 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 …

  202125 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 2017-02-24. DSLD Label ID: 70355. 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.