Sustained Release Vitamin C 500 mg®

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.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1 Tablet(s) · 1 per day

Not Present

• 

  Nature's Plus Vitamin C

  NaturesPlus4.8(410)

  $14.95
• 

  Nature's Plus Super C Complex Sustained Release 90 Tablets

  NaturesPlus4.7(2400)

  $31.95
• 

  Nature's Plus Esterified Tablets

  NaturesPlus4.9(91)

  $29.45
• 

  Nature's Plus Chewables

  NaturesPlus4.0(1)

  $19.45
• 

  Nature's Plus Lovites Chewable Tablets

  NaturesPlus4.5(26)

  $29.95
• 

  Nature's Plus Super C Complex Capsules

  NaturesPlus4.7(7)

  $23.95
• 

  Nature's Plus Ultra C 2000mg Sustained Release Tablet

  NaturesPlus4.6(123)

  $26.95
• 

  Nature's Plus Source of Life Garden Organic 60 Vcaps

  NaturesPlus4.7(394)

  $37.45

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.

• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• Nutriburst

  4.6 (30)

  Manufacturer

  8 Waterloo Pl, London SW1Y 4BN

  Directions020 3943 8201

• Holland & Barrett - Maddox Street

  4.3 (52)

  Health food shop

  6-8 Maddox St, London W1S 1NR

  Directions0330 058 2640

• Minerva Wellness

  5.0 (21)

  Vitamin & Supplements Shop

  71-75 Shelton St, London WC2H 9JQ

  Directions020 7459 4641

• RightNutri

  4.9 (78)

  Vitamin & Supplements Shop

  26 Queenstown Rd, London SW8 3RX

  Directions0800 098 8888

• Holland & Barrett - Pimlico

  4.6 (41)

  Health food shop

  10 Warwick Wy, Pimlico, London SW1V 1QT

  Directions0330 058 2640

• Holland & Barrett - Strand

  3.7 (51)

  Health food shop

  406-408 Strand, London WC2R 0NE

  Directions0330 058 2640

• Holland & Barrett - Covent Garden

  3.7 (60)

  Health food shop

  39 Long Acre, London WC2E 9LG

  Directions0330 058 2640

• Optimizing Oral Vitamin C Supplementation: Addressing Pharmacokinetic Challenges with Nutraceutical Formulation Approaches—A Mini Review

  T Dhotre, S Thanawala, R Shah - Pharmaceutics, 2025 - mdpi.com

  … vitamin C and evaluates formulation strategies aimed at improving its systemic availability. Achieving sustained optimal plasma levels of vitamin C … Conventional vitamin C supplements …

  20258 citations

• Enhanced Vitamin C delivery: A systematic literature review assessing the efficacy and safety of alternative supplement forms in healthy adults

  PC Calder, RB Kreider, DL McKay - Nutrients, 2025 - mdpi.com

  … oral forms, utilizing a delivery format suited for sustained release over a 12 h period, such … either 500 mg of sustained-release vitamin C (C-Fence ® ) or placebo. Mean plasma vitamin C …

  202520 citations

• Pharmacokinetics of a novel sustained-release vitamin C oral tablet: A single dose, randomized, double-blind, placebo-controlled trial

  S Rajat, S Thanawala… - … of Pharmacology and …, 2022 - journals.sagepub.com

  … A novel sustained-release oral tablet can deliver vitamin C slowly for a … of vitamin C in plasma following oral administration of a single dose of a sustained-release vitamin C tablet (C-…

  20229 citations

• Study regarding a new extended-release calcium ascorbate and hesperidin solid oral formulation

  AL Pop, P Henteș, MA Pali, L Oșanu, A Ciobanu… - Farmacia, 2022 - researchgate.net

  … release versus modified-release vitamin C is an essential aspect of the pharmaceutical products, as the hydrophilic nature of ascorbic acid… membranes displaying a constant and dose-…

  202227 citations

• … of Liposomal Vitamin C Stabilized by Gum Arabic Nanospheres Using Metazome Technology: Characterization, In Vitro Release, and Oral Bioavailability of Vitamin C …

  A Amalraj, EK Abraham, AM Jogy, S Gopi - ACS Nutrition Science, 2025 - ACS Publications

  … of vitamin C with a sustained release approach. … (500 mg capsule contains 350 mg of vitamin C), two-period, two-way crossover study to compare the oral bioavailability of vitamin C in …

  20254 citations

• Protection and controlled release of vitamin C by different micro/nanocarriers

  T Comunian, A Babazadeh, A Rehman… - Critical Reviews in …, 2022 - Taylor & Francis

  … of vitamin C, recent advances of its encapsulation into micro/nanocarriers, and application in food products. Also, the controlled release … release is desirable while the sustained release …

  2022103 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-08-24. DSLD Label ID: 12696. 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.