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Raw Vitamin C

4.8
★ ★ ★ ★ ★
(9956 ratings)
Vitamin C 500 mg
Product Image
Score60

A well-sized vitamin C capsule paired with broad but poorly quantified blends. The main vitamin is useful, while the added ingredients are hard to evaluate.

How scoring works
Capsule
Quantity:120 Capsule(s) • (60 servings)
Goals:
General Health
Immunity
Skin Health
Anti-Inflammatory Support

Score 60

A well-sized vitamin C capsule paired with broad but poorly quantified blends. The main vitamin is useful, while the added ingredients are hard to evaluate.

How scoring works

Also available as

1 option
60 servings C 500 mg • 60 Capsule(s) • 30 servings $15.39 ($0.51 per serving)
$26.59($0.44 per serving)
iHerb
$ 26.59
Walmart
$ 26.59
Vitacost
$ 29.35
Report prices

Analysis

Yeast-derived vitamin C supplies a practical 500 mg amount for antioxidant, immune, and collagen support. The serving is meaningful without reaching the very high amounts found in some alternatives.

A 720 mg fruit and vegetable blend and a 60 mg probiotic and enzyme blend broaden the label. Individual ingredients and amounts are not shown, so their practical contribution cannot be judged.

The formula suits users attracted to a food-based positioning who accept less transparency around the blends. It is less compelling for people seeking a clearly buffered form or precisely dosed complementary actives.

Who is it for
  • Adults wanting a moderate vitamin C amount
  • People interested in a yeast-derived form
  • Users comfortable with multi-ingredient blends
Best for
  • Daily antioxidant support
  • Immune support
  • Collagen cofactor coverage

Pros

  • Useful 500 mg vitamin C serving
  • Includes fruit and vegetable ingredients
  • Adds probiotic and enzyme components
  • Focused vitamin C foundation

Cons

  • Blend ingredients lack individual amounts
  • No clearly defined buffered form
  • Supporting blends are difficult to evaluate
  • No direct hydration or structural skin active

Warnings

  • People sensitive to yeast-derived ingredients should review the full label
  • The probiotic and enzyme blend may not suit every digestive tolerance
  • The incomplete blend detail makes allergy and sensitivity screening harder

Nutrient quality

72 High impact

The vitamin C amount is useful and does not appear excessive. Unclear delivery benefits and large supporting blends weaken ingredient quality and focus.

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Ingredient transparency

57 Moderate impact

The main vitamin C amount and serving count are visible. Broad blends, missing daily directions, and an absent complete excipient panel limit full assessment.

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Customer satisfaction

72 High impact

The aggregate rating is strong and supported by large feedback volume. Complaint-level experiences are unavailable, so repeated drawbacks and purpose fit remain uncertain.

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Value for money

37 Lower impact

The cost per useful serving is high relative to the documented formula quality. Unclear delivery or low-value additions further weaken category competitiveness.

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Report analysis

Goals

General Health
General Health
Impact
High effect
B+ Goal FitB Strength of SupportC CoverageB Formula Quality
Vitamin C · 500 mg

A well-sized vitamin C serving offers clear antioxidant and collagen-related support with strong established nutritional evidence. The focused formula is easy to understand and avoids scattering the main dose across many vitamins.

Yeast-derived vitamin C lacks a clearly defined buffered or enhanced-delivery form, and the two blends hide individual ingredient amounts. It suits focused vitamin C support better than broad daily nutrient coverage.

Study evidence
Vitamin C Supportive 56 studies
Immunity
Immunity
Impact
High effect
A- Goal FitB+ Strength of SupportC- CoverageC- Formula Quality
Vitamin C · 500 mg

A fully disclosed 500 mg vitamin C amount directly supports immune-cell antioxidant function. The primary nutrient has strong clinical and nutritional evidence for immune support.

A large produce blend and an enzyme and probiotic blend hide individual ingredients and meaningful dose details. The formula lacks additional focused actives such as vitamin D or zinc.

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

Vitamin C supports collagen synthesis and antioxidant defense but does not directly supply collagen or barrier lipids. Evidence firmly supports vitamin C as a collagen cofactor, while oral vitamin C alone has limited evidence for visible skin changes in replete users.

The vitamin C amount is well aligned for daily support. The formula uses vitamin C in a logical role without conflicting actives.

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

Yeast-derived vitamin C at 500 mg provides meaningful antioxidant support that may help limit oxidative stress linked with inflammation. It does not directly address the goal through fish oil, curcumin, boswellia, or another major pathway-specific active.

The amount is clear, but no buffered or advanced delivery technology is identified. A focused label preserves dose depth while leaving pathway coverage narrow.

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

Yeast-derived vitamin C provides meaningful antioxidant support for ocular tissues. The product lacks carotenoids, structural omega-3s, and the balanced minerals used in broader eye formulas.

The amount is well aligned, but no advanced or buffered delivery system is identified. Fruit and vegetable additions do not establish meaningful extra ocular doses.

Study evidence
Vitamin C Disputed 24 studies

Ingredients

IngredientAmount per serving
Vitamin C (Saccharomyces cerevisiae)
 500 mg
Raw Organic Fruit & Vegetable Blend
720 mg
Raw Probiotic & Enzyme Blend
60 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Vitamin C (Saccharomyces cerevisiae) · 500 mg OverallScore52
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyF Value

Yeast-derived vitamin C is identifiable but lacks a specified buffered or advanced delivery technology. The 500 mg serving is well targeted, although no inactive-ingredient list is supplied. Cost per gram is high for the delivery evidence provided.

View ingredientView products
Loading alternative details
84 Performance

Ester-C 500 mg With Citrus Bioflavoinds

American Health
Ingredient and delivery quality improve with 1,000 mg of buffered Ester-C with a broad citrus bioflavonoid complex. Compared with the original 500 mg yeast-derived vitamin C blend, the formula adds several named citrus compounds while maintaining a substantial vitamin C amount, although the repeated complex entries make the exact internal amounts difficult to interpret.
86 Performance

Ester-C Plus 1000 mg Vitamin C

Solgar
Ingredient and delivery quality improve with 1,000 mg of buffered Ester-C with 108 mg of calcium and 200 mg of citrus bioflavonoids. Compared with the original 500 mg yeast-derived vitamin C blend, the substantial buffered dose and compatible bioflavonoids broaden support beyond plain ascorbic acid, although complete excipient details are not supplied.
86 Performance

C

Swanson
Ingredient and delivery quality improve with 1,000 mg of calcium ascorbate with 120 mg of calcium and 200 mg of citrus bioflavonoids. Compared with the original 500 mg yeast-derived vitamin C blend, the buffered form and meaningful bioflavonoid amount offer a broader formula than plain ascorbic acid, although complete excipient details are not supplied.
89 Budget

Pure Buffered Calcium Ascorbate

NOW
A lower serving cost comes with 890 mg of vitamin C as buffered calcium ascorbate with 100 mg of calcium, compared with the original 500 mg yeast-derived vitamin C blend. the mineral-bound form may be gentler than plain ascorbic acid and keeps the active formula focused, although the full inactive-ingredient panel is not supplied.
84 Budget

Ester-C 500 mg With Citrus Bioflavoinds

American Health
A lower serving cost comes with 1,000 mg of buffered Ester-C with a broad citrus bioflavonoid complex, compared with the original 500 mg yeast-derived vitamin C blend. the formula adds several named citrus compounds while maintaining a substantial vitamin C amount, although the repeated complex entries make the exact internal amounts difficult to interpret.
88 Budget

Buffered Gold C

California Gold Nutrition
A lower serving cost comes with 1,000 mg of vitamin C as sodium ascorbate with 130 mg of sodium, compared with the original 500 mg yeast-derived vitamin C blend. the simple buffered formula provides a full amount with no unrelated active ingredients, although the sodium contribution needs consideration on a restricted diet.
89 Value

C-500 Calcium Ascorbate-C

NOW
A stronger quality-to-cost balance comes from 500 mg of vitamin C as calcium ascorbate with 55 mg of calcium and 10 mg of citrus bioflavonoids. Compared with the original 500 mg yeast-derived vitamin C blend, the buffered form supports stomach comfort while retaining a practical daily amount, while the bioflavonoid addition is small.
88 Value

Sodium Ascorbate

NutriBiotic Immunity
A stronger quality-to-cost balance comes from 1,100 mg of vitamin C as sodium ascorbate with 120 mg of sodium. Compared with the original 500 mg yeast-derived vitamin C blend, the fully buffered powder provides a substantial, clearly disclosed amount, while careful measuring and sodium accounting remain important.
87 Value

C 500 mg

Mason Natural
A stronger quality-to-cost balance comes from 500 mg of ascorbic acid in a single-active formula. Compared with the original 500 mg yeast-derived vitamin C blend, the straightforward ingredient list avoids low-dose extras, while the form is unbuffered and inactive ingredients are not supplied.
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. Supplemental Vitamins and Minerals for Cardiovascular Disease Prevention and Treatment: JACC Focus Seminar.
    Jenkins DJA; Spence JD; Giovannucci EL; Kim YI; Josse RG; Vieth R; Sahye-Pudaruth S; Paquette M; Patel D; Blanco Mejia S; Viguiliouk E; Nishi SK; Kavanagh M; Tsirakis T; Kendall CWC; Pichika SC; Sievenpiper JL · Journal of the American College of Cardiology · 2021
    Meta-analysisGeneral Health forVitamin C
  5. Vitamin C supplementation in kidney failure: effect on uraemic symptoms.
    Singer RF · Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association · 2011
    Randomized trial99 participantsGeneral Health forVitamin C
  6. 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
  7. 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
  8. 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
  9. Vitamin C for the management of COVID-19: a systematic review and meta-analysis of randomized controlled trials.
    Abid H; Mushtaq I; Munir ABI; Shakil J; Vinjamuri S; Tadasare N; Kiran F; Muhammad Wali Mirza A; Fatima Khidri F; Shahid A; Ayyan M; Ehsan M; Cheema HA; Alsubari AMA; Sahra S; Siddiqi NI · Annals of medicine and surgery (2012) · 2026
    Meta-analysis9 studies pooledImmunity forVitamin C
  10. Intake of vitamin C, vitamin E, selenium, zinc and polyunsaturated fatty acids and upper respiratory tract infection-a prospective cohort study.
    Raposo SE; Fondell E; Ström P; Bälter O; Bonn SE; Nyrén O; Plymoth A; Bälter K · European journal of clinical nutrition · 2018
    Cohort study1,533 participantsImmunity forVitamin C
  11. Vitamin C supplementation and salivary immune function following exercise-heat stress.
    Carrillo AE; Murphy RJ; Cheung SS · International journal of sports physiology and performance · 2009
    Randomized trial12 participantsImmunity forVitamin C
  12. Immunocompetence and oxidant defense during ascorbate depletion of healthy men.
    Jacob RA; Kelley DS; Pianalto FS; Swendseid ME; Henning SM; Zhang JZ; Ames BN; Fraga CG; Peters JH · The American journal of clinical nutrition · 1992
    Clinical trial8 participantsImmunity forVitamin C
  13. 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
  14. Double-blind, half-face study comparing topical vitamin C and vehicle for rejuvenation of photodamage.
    Fitzpatrick RE; Rostan EF · Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 2002
    Non-randomized trial10 participantsSkin Health forVitamin C
  15. 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
  16. Vitamin C and postoperative outcomes following mandibular third molar extraction: a randomized split-mouth study.
    Demirel M; Aktas A; Kizil M; Yalcin N · Oral surgery, oral medicine, oral pathology and oral radiology · 2026
    Randomized trial56 participantsSkin Health forVitamin C
  17. Association between hemoglobin A1c, Vitamin C, and microbiome in diabetic foot ulcers and intact skin: A cross-sectional study.
    Tong KPS; Green SJ; Ortiz J; Wu SC · Health science reports · 2024
    Cross-sectional study42 participantsSkin Health forVitamin C
  18. Comparison of the Efficacy of Intralesional Ascorbic Acid Mesotherapy and Intralesional Tranexamic Acid in Treating Melasma in the Skin of Colour Population.
    Aslam H; Muhammad A; Ullah A; Aziz N; Lakhiar JA; Ahmad B; Shahzadi A; Ahmad A; Chandni; Virdi G · Cureus · 2025
    Randomized trial110 participantsSkin Health forVitamin C
  19. Efficacy and Safety of tranexamic acid versus vitamin c after microneedling in treatment of melasma: Clinical and Dermoscopic study.
    El Attar Y; Doghaim N; El Far N; El Hedody S; Hawwam SA · Journal of cosmetic dermatology · 2022
    Randomized trial20 participantsSkin Health forVitamin C
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  38. 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
  39. 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