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C 500 mg

Mason Natural
4.7
★ ★ ★ ★ ★
(6654 ratings)
Vitamin C 500 mg
Product Image
Score87
A low-cost, clearly dosed vitamin C tablet for straightforward daily use. Sensitive users may prefer a buffered form.
How scoring works
Quantity:100 Tablet(s) • (100 servings)
Goals:
General Health
Immunity
Skin Health
Anti-Inflammatory Support

Score 87

A low-cost, clearly dosed vitamin C tablet for straightforward daily use. Sensitive users may prefer a buffered form.
How scoring works

Also available as

1 option
1000mg • 90 Tablet(s) servings C 1000 mg • 90 Tablet(s) • 90 servings $9.54 ($0.10 per serving)
$4.69($0.04 per serving)
Vitacost
$ 5.17
Pure Formulas
$ 5.21
iHerb
$ 4.69
Report prices

Analysis

The tablet supplies a useful vitamin C amount for antioxidant defense, collagen formation, and normal immune support. The active is clearly stated and the simple format is easy to compare with other products.

Plain ascorbic acid lacks buffering, gradual release, or another delivery refinement. People with acid-sensitive stomachs may prefer a calcium or magnesium ascorbate alternative.

The focused formula provides dependable vitamin C depth without unnecessary additions. It is a good fit for budget-conscious users who want routine supplementation rather than a comprehensive wellness blend.

Who is it for
  • Budget-conscious vitamin C users
  • Adults seeking a moderate daily amount
  • People who prefer simple tablets
Best for
  • Everyday antioxidant support
  • Collagen-cofactor intake
  • Foundational immune nutrition

Pros

  • Practical vitamin C amount
  • Very simple active profile
  • Strong cost efficiency

Cons

  • Unbuffered ascorbic acid
  • No specialized delivery feature
  • Limited nutrient breadth

Warnings

  • Ascorbic acid may irritate sensitive stomachs
  • The tablet may be difficult for users who have trouble swallowing solid supplements
  • People prone to calcium oxalate kidney stones should account for total supplemental vitamin C intake

Nutrient quality

89 Highest impact

The formula shows no low-value active padding. Ascorbic acid is effective but lacks buffering or an enhanced-delivery feature.

Ingredient transparency

90 Highest impact

The vitamin C amount is fully disclosed. The inactive-ingredient list is absent from the supplied data.

Customer satisfaction

72 High impact

Feedback volume is substantial enough to make the aggregate rating more stable. No complaint text is supplied, so repetitive negative themes cannot be assessed.

Value for money

95 Highest impact

A useful serving is delivered at a very low relative cost. The simple meaningful formula supports excellent value.

Report analysis

Goals

General Health
General Health
Impact
Highest effect
A Goal FitB Strength of SupportC CoverageA+ Formula Quality
Vitamin C · 500 mg

A clearly disclosed ascorbic acid serving provides strong antioxidant, immune, and collagen support. The amount is practical for daily use and rests on established nutritional evidence.

The single-nutrient design is easy to assess but covers only one part of general wellness. Unbuffered ascorbic acid may also be less comfortable for sensitive stomachs.

Study evidence
Vitamin C Supportive 56 studies
Immunity
Immunity
Impact
Highest effect
A Goal FitB+ Strength of SupportD+ CoverageA+ Formula Quality
Vitamin C · 500 mg

Vitamin C directly supports immune-cell function, barrier integrity, and antioxidant defenses. The disclosed amount reaches a meaningful daily threshold.

Plain ascorbic acid is effective but offers no buffering or special delivery advantage. The focused tablet does not address zinc, vitamin D, or other complementary immune pathways.

Study evidence
Vitamin C Supportive 53 studies
Skin Health
Skin Health
Impact
High effect
B Goal FitB Strength of SupportC CoverageA+ Formula Quality
Vitamin C · 500 mg

The focused formula supports collagen synthesis and antioxidant protection in the skin. Plain ascorbic acid is fully disclosed but offers no buffering or enhanced delivery.

It does not provide collagen peptides, barrier lipids, or hydration-focused actives. The focused design is best suited to foundational collagen and antioxidant support.

Study evidence
Vitamin C Supportive 53 studies
Anti-Inflammatory Support
Cellular Defense
Anti-Inflammatory Support
Impact
High effect
C+ Goal FitC+ Strength of SupportD CoverageB+ Formula Quality
Vitamin C · 500 mg

Standard ascorbic acid supplies antioxidant support that may help limit oxidative stress linked with inflammatory signaling. The disclosed 500 mg serving reaches a practical Vitamin C amount.

The lean formula delivers one clear antioxidant without distracting additions. Unbuffered ascorbic acid offers no enhanced delivery and may be less comfortable for sensitive users.

Study evidence
Vitamin C Supportive 50 studies
Vision Support
Macular and Blue Light Defense
Vision Support
Impact
Moderate effect
D- Goal FitB Strength of SupportD- CoverageC Formula Quality
Vitamin C · 500 mg

Vitamin C provides antioxidant support relevant to ocular tissues, but no lutein, zeaxanthin, zinc, dha, or vitamin e is included. A 500 mg serving provides a meaningful vitamin C amount, but it does not supply the core carotenoids or structural lipids used for targeted vision support.

The product addresses only water-soluble antioxidant defense and does not cover macular pigment or retinal lipid pathways. The simple vitamin C design is internally coherent for antioxidant supplementation.

Study evidence
Vitamin C Disputed 24 studies

Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid)
 500 mg
Gluten Free Adults 18–50
Report overview
Vitamin C (Ascorbic Acid) · 500 mg OverallScore68
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value

The 500 mg serving is well targeted and very inexpensive. Generic unbuffered ascorbic acid offers no delivery advantage and may bother sensitive stomachs. Sparse excipient information prevents a stronger purity conclusion.

View ingredientView products
Loading alternative details
89 Performance

Ester-C Plus 1000 mg Vitamin C

Solgar
<p>The ingredient profile is a stronger fit for focused vitamin C support, supplying 1000 mg of vitamin C as Ester-C with calcium and citrus bioflavonoids. Compared with the original’s Ascorbic Acid, the mineral ascorbate form may be gentler and is more clearly aligned with focused vitamin C use.</p>
89 Performance

Buffered Gold C

California Gold Nutrition
<p>The ingredient profile is a stronger fit for focused vitamin C support, supplying 1000 mg of vitamin C as Sodium Ascorbate. Compared with the original’s Ascorbic Acid, the mineral ascorbate form may be gentler and is more clearly aligned with focused vitamin C use.</p>
88 Performance

C

Swanson
<p>The ingredient profile is a stronger fit for focused vitamin C support, supplying 1000 mg of vitamin C as Calcium Ascorbate with calcium and citrus bioflavonoids. Compared with the original’s Ascorbic Acid, the mineral ascorbate form may be gentler and is more clearly aligned with focused vitamin C use.</p>
89 Budget

Pure Buffered Calcium Ascorbate

NOW
<p>A lower cost per serving makes this a practical budget alternative, while it supplies 890 mg of vitamin C as Calcium Ascorbate with calcium. The vitamin C amount matches or exceeds the original's 500 mg serving. Its mineral ascorbate form may also be gentler than the original’s plain ascorbic acid.</p>
85 Budget

Gold C Vitamin C 1000 mg

California Gold Nutrition
<p>A lower cost per serving makes this a practical budget alternative, while it supplies 1000 mg of vitamin C as Ascorbic Acid. The vitamin C amount matches or exceeds the original's 500 mg serving.</p>
83 Budget

C 500 mg

21st Century
<p>A lower cost per serving makes this a practical budget alternative, while it supplies 500 mg of vitamin C as Ascorbic Acid with calcium. The vitamin C amount matches or exceeds the original's 500 mg serving.</p>
93 Value

Pure Buffered Magnesium Ascorbate

NOW
<p>Strong serving value is paired with 820 mg of vitamin C as Magnesium Ascorbate with magnesium. It matches or exceeds the original’s vitamin C amount and adds a potentially gentler mineral ascorbate form, balancing cost-effectiveness with a useful ingredient profile.</p>
93 Value

Sodium Ascorbate

NutriBiotic Immunity
<p>Strong serving value is paired with 1100 mg of vitamin C as Sodium Ascorbate. It matches or exceeds the original’s vitamin C amount and adds a potentially gentler mineral ascorbate form, balancing cost-effectiveness with a useful ingredient profile.</p>
92 Value

Ester-C 500 mg With Citrus Bioflavoinds

American Health
<p>Strong serving value is paired with 1000 mg of vitamin C as Ester-C Calcium Ascorbate with calcium and citrus bioflavonoids. It matches or exceeds the original’s vitamin C amount and adds a potentially gentler mineral ascorbate form, balancing cost-effectiveness with a useful ingredient profile.</p>
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