Pure Buffered Calcium Ascorbate

Single Vitamin & Mineral

Brand: NOW

PowderOff Market
Click to view full label

Net Contents

8 oz.; 227 Gram(s)

Serving Size

0.25 tsp [1.12 g]

Servings Per Container

Not specified

Supplement Form

Powder

Bar Code (UPC/SKU)

7 33739 00752 0

Product Version

Not specified

Suggested Use

Suggested Usage: Take 1/4 level teaspoon 1 to 3 times daily.

Market Reference

$9.69 – $109.99· 18 listings
  • Now Foods Calcium Ascorbate Powder

    Target4.7(343)
    $15.99
  • C-500 Calcium Ascorbate Now

    Walmart - Holly Hill Health Foods4.9(2100)
    $13.25
  • NOW Foods, Calcium Ascorbate Powder - 8 oz.

    NOW
    $18.99
  • (2 pack) Calcium Ascorbate By Now Foods - 8 Oz

    Walmart - Fruitful Yield
    $27.12
  • NOW Foods 100 Veg Capsules

    NOW4.7(1400)
    $24.99
  • Supplement First C-1000 250 Capsules

    Instacart4.8(27000)
    $25.79
  • NOW Vitamin C-1000 Complex

    PureFormulas.com4.7(3000)
    $11.53
  • NOW Sodium Ascorbate Powder

    Swanson Health Products4.8(956)
    $12.59

Where to Buy Locally

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.

  • The Vitamin Shoppe

    4.5 (179)

    Vitamin & supplements store

    1412 Greenbrier Pkwy #125, Chesapeake, VA 23320

  • GNC

    4.4 (30)

    Vitamin & supplements store

    2400 Chesapeake Square Ring Rd #101, Chesapeake, VA 23321

  • Greenbrier Nutrition Corner

    4.8 (21)

    Vitamin & supplements store

    600 Jarman Rd, Chesapeake, VA 23320

  • MASF Supplements

    4.9 (32)

    Vitamin & supplements store

    200 Tintern Ct #111, Chesapeake, VA 23320

  • 5 Star Nutrition Hampton Blvd.

    4.9 (185)

    Vitamin & supplements store

    8210 Hampton Blvd B, Norfolk, VA 23505

  • The Vitamin Shoppe

    4.6 (175)

    Vitamin & supplements store

    729 W 21st St, Norfolk, VA 23517

  • Norfolk Nutrition Corner

    4.9 (80)

    Vitamin & supplements store

    1900 Monticello Ave, Norfolk, VA 23517

  • 5 Star Nutrition Chesapeake

    5.0 (55)

    Vitamin & supplements store

    100 Coastal Way Suite 103, Chesapeake, VA 23320

Research & Studies

  • Comparative effectiveness of ascorbic acid vs. calcium ascorbate ingestion on pharmacokinetic profiles and immune biomarkers in healthy adults: A …

    B Dickerson, DE Gonzalez, R Sowinski, D Xing… - Nutrients, 2024 - mdpi.com

    … displayed augmented intracellular vitamin C concentrations in the leukocytes at 24 h after acute supplementation with 1000 mg calcium ascorbate (CA), compared to ascorbic acid (AA). …

    20241 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

    … In summary, oral AA supplementation ameliorates skeletal muscle oxidative stress during … Findings implicate AA supplementation as a potentially inexpensive, convenient, and …

    2016105 citations
  • 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 many … acid, ascorbate, ascorbyl palmitate, calcium ascorbate, …

    199715 citations
  • Observations on the dose and administration of ascorbic acid when employed beyond the range of a vitamin in human pathology

    FR Klenner - Journal of Applied Nutrition, 1971 - mv.helsinki.fi

    … on the use of vitamin C in his medical practice, emphasizing … With ascorbic acid, today’s adquate supply means little or … We found that every diabetic not taking supplemental vitamin C …

    1971190 citations
  • what if It's just vitamin C deficiency? The role of vitamin C deficiency in musculoskeletal pain. Mechanisms, clinical implications, and therapeutic approaches

    H Wissem Soumia, R Kamel, O Faten - Batna Journal of Medical …, 2026 - asjp.cerist.dz

    … Vitamin C deficiency is now recognized to manifest … ascorbate, calcium ascorbate, and magnesium ascorbate. These buffered forms exhibit bioavailability comparable to ascorbic acid, …

    2026
  • Scientific Opinion on the re‐evaluation of ascorbic acid (E 300), sodium ascorbate (E 301) and calcium ascorbate (E 302) as food additives

    EFSA Panel on Food additives and Nutrient … - Efsa …, 2015 - Wiley Online Library

    … ascorbic acid, sodium ascorbate or calcium ascorbate. Long-term carcinogenicity tests with ascorbic … (with a content of threonate) for use as a source of vitamin C in food supplements. …

    201525 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2015-08-25. DSLD Label ID: 49887. 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.