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C 500 mg Chewable

4.7
★ ★ ★ ★ ★
(2168 ratings)
Vitamin C 500 mg
Product Image
Score82
A convenient buffered chewable with a useful vitamin C amount, but duplicate active entries weaken dose clarity.
How scoring works
Tablet
Quantity:60 Tablet(s) • (60 servings)
Goals:
Immunity
General Health
Anti-Inflammatory Support
Skin Health

Score 82

A convenient buffered chewable with a useful vitamin C amount, but duplicate active entries weaken dose clarity.
How scoring works
$7.49($0.12 per serving)
iHerb
$ 7.49
Vitacost
$ 6.99
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Analysis

Buffered mineral ascorbates support routine antioxidant, collagen, and immune functions in a chewable format. The listed serving is useful for people who prefer not to swallow capsules.

Calcium and sodium ascorbate may be gentler than an acidic vitamin C tablet. However, two separate vitamin C entries with the same amount create uncertainty about whether the label is describing one combined serving or two contributions.

The formula includes a small carbohydrate amount and stevia, which are relevant for users seeking the simplest possible supplement. It is a focused vitamin C option rather than broad support for every listed goal.

Who is it for
  • People who prefer chewable vitamin C
  • Users who want a buffered form
  • Adults seeking focused daily antioxidant support
Best for
  • Routine vitamin C supplementation
  • People sensitive to acidic ascorbic acid
  • Simple immune and collagen support

Pros

  • Uses buffered calcium and sodium ascorbates
  • Practical chewable format
  • Meaningful listed vitamin C amount

Cons

  • Duplicate vitamin C entries make the total unclear
  • Chewable includes carbohydrate and sweetener
  • Full excipient details are not supplied

Warnings

  • The duplicated 500 mg vitamin C entries should be checked on the current label before use.
  • The chewable contributes carbohydrate, which may matter to users closely tracking intake.

Nutrient quality

90 Highest impact

The buffered mineral ascorbate form and the disclosed dose provide meaningful vitamin C support. The focused formula avoids major active padding.

Ingredient transparency

77 High impact

Active amounts are shown, but overlapping ingredient entries weaken label clarity. Daily directions and a complete inactive-ingredient list are not supplied.

Customer satisfaction

71 High impact

The supplied rating is strong and rests on substantial review volume. Detailed feedback themes are absent, leaving repeated complaints and purpose fit uncertain.

Value for money

88 Highest impact

The meaningful vitamin C dose offers favorable value relative to the serving cost. The formula is competitive without relying heavily on low-value extras.

Report analysis

Goals

Immunity
Immunity
Impact
Highest effect
A Goal FitA Strength of SupportC+ CoverageA Formula Quality
Vitamin C · 500 mg

Buffered vitamin C meets the stated threshold for direct immune and antioxidant support. Calcium and sodium ascorbates may be gentler than plain ascorbic acid.

The single-nutrient focus offers strong depth but does not cover vitamin D, zinc, or botanical pathways. A small carbohydrate amount and stevia are practical chewable-format additions rather than major active padding.

Study evidence
Vitamin C Supportive 53 studies
General Health
General Health
Impact
Highest effect
A Goal FitA Strength of SupportC+ CoverageA Formula Quality
Vitamin C · 500 mg

Buffered vitamin C provides focused antioxidant, immune, and collagen-related support for general health. The practical serving and mineral ascorbate forms may suit users who find regular ascorbic acid irritating.

The formula is deliberately narrow and does not fill broader vitamin, mineral, or fatty-acid gaps. A small carbohydrate contribution reflects the chewable format but does not overshadow the clearly disclosed active.

Study evidence
Vitamin C Supportive 56 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
Highest effect
B Goal FitA Strength of SupportC CoverageA Formula Quality
Vitamin C · 500 mg

Buffered vitamin C supports antioxidant defense and helps reduce oxidative damage linked with inflammation. Its role is useful but narrower than fish oil, vitamin D, or botanicals that directly regulate inflammatory enzymes.

The vitamin C amount is practical and the calcium and sodium ascorbate forms support digestive comfort. The chewable format adds a small carbohydrate load, while the otherwise simple formula keeps dose and purpose clear.

Study evidence
Vitamin C Supportive 50 studies
Skin Health
Skin Health
Impact
High effect
B- Goal FitB+ Strength of SupportC- CoverageA- Formula Quality
Vitamin C · 500 mg

Vitamin C supports collagen synthesis, but the single-nutrient chewable covers only one skin pathway. Vitamin C has an established role in collagen formation and antioxidant defense.

The vitamin C amount is meaningful for daily support. Buffered calcium and sodium ascorbate forms are clearly disclosed, though the chewable includes a carbohydrate base.

Study evidence
Vitamin C Supportive 53 studies
Vision Support
Vision Support
Impact
Moderate effect
D- Goal FitB- Strength of SupportF CoverageC+ Formula Quality
Vitamin C · 500 mg

Five hundred milligrams of buffered vitamin C offers general antioxidant support for ocular tissues. The chewable lacks lutein, zeaxanthin, zinc, vitamin E, or omega-3s needed for broader vision support.

The forms and amount are clearly disclosed in a simple formula. Its relevance remains limited because vitamin C alone is not an established complete eye-health approach.

Study evidence
Vitamin C Disputed 24 studies

Ingredients

IngredientAmount per serving
Calories
5 {Calories}
Total Carbohydrates
1 Gram(s)
Vitamin C (Calcium Ascorbate, Sodium Ascorbate)
 500 mg
Sodium
25 mg
Stevia leaf extract
3 mg
Adults 18–50
Report overview
Vitamin C (Calcium Ascorbate, Sodium Ascorbate) · 500 mg OverallScore77
B+ Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyB+ Value

Buffered mineral ascorbate supports digestive comfort and provides a practical delivery form. The 500 mg serving sits within the optimal range, while carbohydrate-based sweetening or fillers reduce label cleanliness. Cost per effective amount is favorable for the form.

View ingredientView products
Loading alternative details
89 Performance

C-500 Calcium Ascorbate-C

NOW
The more focused non-chewable formula avoids the sweeteners and carbohydrate entries shown in the original chewable label. Its 500 mg of calcium ascorbate is buffered and includes 55 mg of calcium; the 10 mg bioflavonoid addition is modest.
88 Performance

Buffered Gold C

California Gold Nutrition
The more focused non-chewable formula avoids the sweeteners and carbohydrate entries shown in the original chewable label. Its 1,000 mg of sodium ascorbate is buffered and simply formulated, with 130 mg of sodium clearly disclosed.
88 Performance

Sodium Ascorbate Capsules

NutriBiotic Immunity
The more focused non-chewable formula avoids the sweeteners and carbohydrate entries shown in the original chewable label. Its capsules provide 850 mg of buffered sodium ascorbate with a clearly disclosed 100 mg sodium contribution.
85 Budget

C-500 With Rose Hips

NOW
The supplied serving-cost data indicates a less expensive way to obtain a comparable vitamin C serving. Compared with the original chewable formula, it supplies 500 mg of ascorbic acid with 40 mg of rose hips, although the vitamin C remains unbuffered.
83 Budget

C 500 mg

21st Century
The supplied serving-cost data indicates a less expensive way to obtain a comparable vitamin C serving. Compared with the original chewable formula, it supplies 500 mg of ascorbic acid with 30 mg of calcium in a basic, clearly dosed formula.
85 Budget

Gold C Vitamin C 1000 mg

California Gold Nutrition
The supplied serving-cost data indicates a less expensive way to obtain a comparable vitamin C serving. Compared with the original chewable formula, it supplies 1,000 mg of plain ascorbic acid without extra actives, favoring simplicity rather than buffering.
87 Value

100% Pure Vitamin C Powder

Swanson Premium Brand
The combination of a focused ingredient list and efficient supply makes it a stronger value candidate than the original chewable formula. Its powder provides 1,000 mg of ascorbic acid with flexible measuring, though the acidic form may not suit every user.
87 Value

C 500 mg

Mason Natural
The combination of a focused ingredient list and efficient supply makes it a stronger value candidate than the original chewable formula. Its single active is 500 mg of ascorbic acid, making the label easy to assess despite the lack of buffering.
88 Value

Sodium Ascorbate

NutriBiotic Immunity
The combination of a focused ingredient list and efficient supply makes it a stronger value candidate than the original chewable formula. Its 1,100 mg of sodium ascorbate is fully buffered, but the disclosed 120 mg of sodium matters for sodium-restricted users.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Vitamin C intake and multiple health outcomes: an umbrella review of systematic reviews and meta-analyses.
    Xu K; Peng R; Zou Y; Jiang X; Sun Q; Song C · International journal of food sciences and nutrition · 2022
    Meta-analysis76 studies pooledGeneral Health forVitamin C
  2. Relation between plasma ascorbic acid and mortality in men and women in EPIC-Norfolk prospective study: a prospective population study. European Prospective Investigation into Cancer and Nutrition.
    Khaw KT; Bingham S; Welch A; Luben R; Wareham N; Oakes S; Day N · Lancet (London, England) · 2001
    Cohort study19,496 participantsGeneral Health forVitamin C
  3. Mortality in randomized trials of antioxidant supplements for primary and secondary prevention: systematic review and meta-analysis.
    Bjelakovic G; Nikolova D; Gluud LL; Simonetti RG; Gluud C · JAMA · 2007
    Meta-analysis232,606 participants68 studies pooledGeneral Health forVitamin C
  4. Vitamin C and contribution to the normal function of the immune system: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusImmunity forVitamin C
  5. Effect of Vitamin C Supplements on Respiratory Tract Infections: A Systematic Review and Meta-Analysis.
    Keya TA; Leela A; Fernandez K; Habib N; Rashid M · Current reviews in clinical and experimental pharmacology · 2022
    Meta-analysis10 studies pooledImmunity forVitamin C
  6. Dietary nutrient intakes and skin-aging appearance among middle-aged American women.
    Cosgrove MC; Franco OH; Granger SP; Murray PG; Mayes AE · The American journal of clinical nutrition · 2007
    Cross-sectional study4,025 participantsSkin Health forVitamin C
  7. Efficacy of Vitamin C as Glucocorticoid Substitute for Reducing Pain and Inflammation After Total Hip Arthroplasty: A Randomized Controlled Trial.
    Jiang W; Xu H; Jiang X; Zhan Y; Ju Y; Xie J; Huang Z; Huang Q; Pei F · The Journal of bone and joint surgery. American volume · 2025
    Randomized trial107 participantsAnti-Inflammatory Support forVitamin C
  8. The Impact of Vitamin C on Analgesic, Anti-inflammatory, and Hemostatic Outcomes After Total Hip and Knee Arthroplasty: A Systematic Review and Meta-Analysis.
    Moftakhari Hajimirzaei S; Bagherzadeh Cham M; Dolikhani M; Tabatabaee SM; Ebrahimpour A · The archives of bone and joint surgery · 2026
    Meta-analysis1,162 participants10 studies pooledAnti-Inflammatory Support forVitamin C
  9. The impact of vitamin C supplementation on the perioperative outcomes after total hip and knee arthroplasty: a systematic review and meta-analysis.
    Liu X; Guo J; Li Y; Yang Y; Liu M; Gao Q; Yang Y; Wu X; Yue C · BMC musculoskeletal disorders · 2026
    Meta-analysis852 participants8 studies pooledAnti-Inflammatory Support forVitamin C
  10. Therapeutic Impact of Ascorbic Acid on Oral and Periodontal Tissues: A Systematic Literature Review.
    Ruzijevaite G; Acaite E; Jagelaviciene E · Medicina (Kaunas, Lithuania) · 2025
    Systematic review811 participants17 studies pooledAnti-Inflammatory Support forVitamin C
  11. Oral vitamin C administration reduces early recurrence rates after electrical cardioversion of persistent atrial fibrillation and attenuates associated inflammation.
    Korantzopoulos P; Kolettis TM; Kountouris E; Dimitroula V; Karanikis P; Pappa E; Siogas K; Goudevenos JA · International journal of cardiology · 2005
    Randomized trial44 participantsAnti-Inflammatory Support forVitamin C
  12. Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies.
    Aune D; Keum N; Giovannucci E; Fadnes LT; Boffetta P; Greenwood DC; Tonstad S; Vatten LJ; Riboli E; Norat T · The American journal of clinical nutrition · 2019
    Meta-analysis69 studies pooledGeneral Health forVitamin C
  13. Scientific Opinion on the substantiation of a health claim related to vitamin C and increasing non haem iron absorption pursuant to Article 14 of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusGeneral Health forVitamin C
  14. Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
    Sotomayor CG; Eisenga MF; Gomes Neto AW; Ozyilmaz A; Gans ROB; Jong WHA; Zelle DM; Berger SP; Gaillard CAJM; Navis GJ; Bakker SJ · Nutrients · 2018
    Cohort study598 participantsGeneral Health forVitamin C
  15. Associations of Serum Biomarkers of Fruit and Vegetable Intake With the Risk of Cause-Specific Mortality and All-Cause Mortality: A National Prospective Cohort Study.
    Pu L; Zhang R; Wang X; Zhao T; Sun H; Han L · Frontiers in nutrition · 2022
    Cohort study12,530 participantsGeneral Health forVitamin C
  16. Therapeutic effects of high-dose vitamin C supplementation in patients with COVID-19: a meta-analysis.
    Sun L; Zhao JH; Fan WY; Feng B; Liu WW; Chen RQ; Ban C; Dang AG; Wang M; Luo KT; Zhou GY; Yu FF; Ba Y · Nutrition reviews · 2024
    Meta-analysis2,334 participants14 studies pooledImmunity forVitamin C
  17. Effect of micronutrient supplements on influenza and other respiratory tract infections among adults: a systematic review and meta-analysis.
    Abioye AI; Bromage S; Fawzi W · BMJ global health · 2021
    Meta-analysisImmunity forVitamin C
  18. New evidence for antioxidant properties of vitamin C.
    Vojdani A; Bazargan M; Vojdani E; Wright J · Cancer detection and prevention · 2001
    Randomized trial20 participantsImmunity forVitamin C
  19. Enhanced Vitamin C Delivery: A Systematic Literature Review Assessing the Efficacy and Safety of Alternative Supplement Forms in Healthy Adults.
    Calder PC; Kreider RB; McKay DL · Nutrients · 2025
    Systematic review13 studies pooledImmunity forVitamin C
  20. Evaluation of the anti-wrinkle effect of an ascorbic acid-loaded dissolving microneedle patch via a double-blind, placebo-controlled clinical study.
    Lee C; Yang H; Kim S; Kim M; Kang H; Kim N; An S; Koh J; Jung H · International journal of cosmetic science · 2017
    Randomized trial23 participantsSkin Health forVitamin C
  21. Comparative Study on the Outcome of Periorbital Wrinkles Treated with Laser-Assisted Delivery of Vitamin C or Vitamin C Plus Growth Factors: A Randomized, Double-blind, Clinical Trial.
    Machado BHB; Frame J; Zhang J; Najlah M · Aesthetic plastic surgery · 2021
    Randomized trial149 participantsSkin Health forVitamin C
  22. Randomized trial of topical ascorbic acid in DMSO versus imiquimod for the treatment of basal cell carcinoma.
    Burke B; Bailie JE · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022
    Randomized trial25 participantsSkin Health forVitamin C
  23. Vitamin C improves healing of foot ulcers: a randomised, double-blind, placebo-controlled trial.
    Gunton JE; Girgis CM; Lau T; Vicaretti M; Begg L; Flood V · The British journal of nutrition · 2022
    Randomized trial16 participantsSkin Health forVitamin C
  24. Role of Oral Vitamin 'C' on Astigmatic Errors in Phacoemulsification.
    Mohan S; Sah K; Khattri M; Ahmad L; Sachan SK · Current eye research · 2021
    Randomized trial400 participantsVision Support forVitamin C
  25. Ascorbic acid metabolites are involved in intraocular pressure control in the general population.
    Hysi PG; Khawaja AP; Menni C; Tamraz B; Wareham N; Khaw KT; Foster PJ; Benet LZ; Spector TD; Hammond CJ · Redox biology · 2019
    Observational studyVision Support forVitamin C
  26. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  27. Dietary n-3 Fatty Acid, α-Tocopherol, Zinc, vitamin D, vitamin C, and β-carotene are Associated with Age-Related Macular Degeneration in Japan.
    Aoki A; Inoue M; Nguyen E; Obata R; Kadonosono K; Shinkai S; Hashimoto H; Sasaki S; Yanagi Y · Scientific reports · 2017
    Case-control study530 participantsVision Support forVitamin C
  28. Adherence to a Mediterranean diet, lifestyle and age-related macular degeneration: the Coimbra Eye Study - report 3.
    Raimundo M; Mira F; Cachulo MDL; Barreto P; Ribeiro L; Farinha C; Laíns I; Nunes S; Alves D; Figueira J; Merle BM; Delcourt C; Santos L; Silva R · Acta ophthalmologica · 2019
    Case-control study883 participantsVision Support forVitamin C