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Quercetin Bromelain & Vitamin C

Solaray
4.8
★ ★ ★ ★ ★
(1417 ratings)
Vitamin C 1250 mg
Bromelain 50 mg
Product Image
Score78
A strong, transparent vitamin C and quercetin combination with a small bromelain addition. Bromelain potency and high-dose vitamin C tolerance are the main trade-offs.
How scoring works
Quantity:120 VegCap(s) • (60 servings)
Goals:
General Health
Immunity
Anti-Inflammatory Support
Skin Health

Score 78

A strong, transparent vitamin C and quercetin combination with a small bromelain addition. Bromelain potency and high-dose vitamin C tolerance are the main trade-offs.
How scoring works
$35.99($0.59 per serving)
iHerb
$ 35.99
Vitacost
$ 35.99
Vitacost
$ 35.99
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Analysis

Vitamin C and quercetin are both supplied at substantial amounts, giving the formula a clear antioxidant and collagen-support foundation. Bromelain adds an enzyme component that may complement inflammatory-balance use.

Only three actives are present, and each weight is disclosed without a proprietary blend. Bromelain is modest by weight and has no enzyme activity rating, while the high ascorbic acid amount may be harder on a sensitive stomach.

The concise design suits adults who want high-dose vitamin C and quercetin in one serving. It is less suitable for people using blood-thinning medicines, those prone to certain kidney stones, or shoppers choosing the product mainly for bromelain.

Who is it for
  • Adults seeking substantial vitamin C and quercetin together
  • People who prefer a concise antioxidant formula
Best for
  • Antioxidant and collagen support
  • High-dose quercetin with vitamin C

Pros

  • Substantial vitamin C amount
  • Meaningful quercetin dose
  • Only three clearly listed actives
  • No proprietary blend

Cons

  • Bromelain weight is modest
  • Bromelain activity units are missing
  • Unbuffered vitamin C may irritate the stomach
  • Two-capsule serving

Warnings

  • Bromelain may increase bruising or bleeding with anticoagulant or antiplatelet medicines.
  • The high vitamin C amount may cause stomach upset or loose stools.
  • People prone to calcium-oxalate kidney stones should avoid combining it with other high-dose vitamin C products.

Nutrient quality

78 High impact

Quercetin and vitamin C are meaningfully dosed and fit the intended antioxidant purpose. Modest bromelain and a high unbuffered vitamin C amount create the main trade-offs.

Ingredient transparency

86 Highest impact

Every active weight is clearly disclosed without a hidden blend. Bromelain activity, inactive ingredients, and detailed use directions remain absent.

Customer satisfaction

72 High impact

The aggregate rating is very strong and backed by extensive feedback volume. Detailed comments are not supplied, so recurring tolerance or taste issues cannot be assessed.

Value for money

74 High impact

Substantial core actives partly justify the moderate serving cost. Basic vitamin C and weakly specified bromelain keep category value from standing out.

Report analysis

Goals

General Health
General Health
Impact
Highest effect
A- Goal FitA- Strength of SupportB CoverageA Formula Quality
Vitamin C · 1250 mg

Vitamin C and quercetin provide substantial antioxidant support, while bromelain adds a complementary enzyme component. The vitamin C and quercetin amounts are meaningful and clearly disclosed.

Bromelain is modestly dosed and lacks activity units, so its effective enzyme strength cannot be confirmed. Bromelain can increase bleeding tendency, which matters for people using anticoagulant or antiplatelet medicines or preparing for surgery.

Study evidence
Bromelain Supportive 11 studies
Vitamin C Supportive 56 studies
Immunity
Immunity
Impact
Highest effect
A- Goal FitB+ Strength of SupportB CoverageA+ Formula Quality
Vitamin C · 1250 mg

High vitamin C and substantial quercetin provide strong antioxidant and immune-focused support. Bromelain adds a complementary inflammation-related component.

Bromelain is modestly dosed and lacks activity units, so its practical contribution is uncertain. The vitamin C amount may cause stomach upset and may be unsuitable for people prone to certain kidney stones.

Study evidence
Bromelain Not classified 1 study
Vitamin C Supportive 53 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
Highest effect
B+ Goal FitB- Strength of SupportB CoverageA+ Formula Quality
Vitamin C · 1250 mg

Quercetin, vitamin C, and bromelain combine antioxidant and enzyme-related support in a coherent formula. The quercetin and vitamin C amounts are substantial for daily use.

Bromelain is present at a modest weight and its enzyme activity is not stated, leaving its contribution uncertain. Bromelain may increase bruising or bleeding risk when combined with anticoagulant or antiplatelet medicines.

Study evidence
Bromelain Supportive 12 studies
Vitamin C Supportive 50 studies
Skin Health
Skin Health
Impact
High effect
B- Goal FitA- Strength of SupportB CoverageB Formula Quality
Vitamin C · 1250 mg

Vitamin C supports collagen synthesis, while quercetin adds antioxidant activity relevant to environmental skin stress. The substantial amounts create a useful collagen and oxidative-defense combination, although direct human skin evidence for oral quercetin is limited.

Quercetin dihydrate and each active amount are clearly disclosed without a proprietary blend. Bromelain may add to bleeding risk for people using anticoagulant or antiplatelet medicines, while high vitamin C can upset the stomach.

Study evidence
Vitamin C Supportive 53 studies
Vision Support
Vision Support
Impact
Moderate effect
D- Goal FitB+ Strength of SupportD CoverageC- Formula Quality
Vitamin C · 1250 mg

Vitamin C and quercetin provide antioxidant activity that may help protect ocular tissues from oxidative stress. The formula lacks carotenoids, zinc, vitamin E, and omega-3 fats, so its vision relevance remains indirect.

Quercetin and vitamin C are supplied in meaningful amounts, while bromelain is a minor supporting enzyme. Evidence for this combination improving visual outcomes is limited compared with established eye formulas.

Study evidence
Vitamin C Disputed 24 studies

Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid)
 1250 mg
Quercetin Dihydrate
500 mg
Bromelain
50 mg
Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Vitamin C (Ascorbic Acid) · 1250 mg OverallScore55
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyF Value

The serving provides 1,250 mg of generic ascorbic acid with substantial quercetin and a smaller amount of bromelain. Its dose remains useful but is above the most efficient absorption range, while the unbuffered form may be harder on sensitive stomachs. Cost efficiency is marginal for basic vitamin C despite the added actives.

View ingredientView products
Bromelain · 50 mg OverallScore35
F Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyD+ Value

The blend combines 50 mg bromelain with substantial quercetin and vitamin C. Bromelain is present at a modest amount, and its enzyme activity is not disclosed. Quercetin improves the combined value, but missing source and timing details limit transparency.

View ingredientView products
Loading alternative details
82 Performance

Liposomal Vitamin C 1000 mg

SunLipid
<p>Buffered sodium ascorbate is paired with a disclosed phospholipid complex and medium-chain triglycerides for purposeful liposomal delivery. That improves vitamin C formulation detail, though the product omits quercetin and bromelain and adds sodium.</p>
86 Performance

Bromelain 2400 GDU/g - 500 mg

NOW
<p>A 500 mg bromelain serving with stated 2,400 GDU-per-gram activity is easier to judge and more potent by weight than the original enzyme component. It offers focused digestive and anti-inflammatory support but removes quercetin and vitamin C.</p>
83 Performance

High Potency Bromelain 3000 GDU 500 mg

Doctor's Best
<p>The 500 mg serving has clearly stated high enzyme activity, addressing the original formula's missing bromelain activity units. It is a focused enzyme option rather than a complete replacement because it contains no quercetin or vitamin C.</p>
85 Budget

C-500 With Rose Hips

NOW
<p>A practical 500 mg ascorbic acid serving gives focused vitamin C support at a much lower ongoing cost. Rose hips add a small complementary plant ingredient, but the formula omits quercetin and bromelain and remains unbuffered.</p>
81 Budget

Bromelain 500 mg

AN Amazing Nutrition Amazing Formulas
<p>The 500 mg pineapple-derived bromelain amount is higher than the original bromelain weight while costing much less per serving. Activity units are still missing, and the focused formula does not provide quercetin or vitamin C.</p>
85 Budget

Gold C Vitamin C 1000 mg

California Gold Nutrition
<p>A simple 1,000 mg ascorbic acid serving maintains substantial vitamin C support at a much lower ongoing cost. It is unbuffered and omits both quercetin and bromelain, so the savings come with a narrower formula.</p>
89 Value

Pure Buffered Calcium Ascorbate

NOW
<p>Buffered calcium ascorbate supplies 890 mg vitamin C with clear mineral disclosure and very efficient serving value. It is a comfortable, economical vitamin C choice, but it does not cover the original quercetin or bromelain roles.</p>
82 Value

Bromelain 500 mg (1000 GDU)

Jarrow Formulas
<p>A substantial 500 mg bromelain serving includes enzyme activity units and remains cost-effective. The disclosure is more useful than the original unspecified activity, though pineapple source, timing, quercetin, and vitamin C are absent.</p>
84 Value

Ester-C 500 mg With Citrus Bioflavoinds

American Health
<p>Buffered calcium ascorbate provides substantial vitamin C with a large citrus bioflavonoid complex and strong serving value. It may suit users prioritizing vitamin C comfort and breadth, but it leaves out quercetin and bromelain.</p>
Report alternatives

Sources

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

  1. 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
  2. Effect of Oral Administration of Bromelain on Postoperative Discomfort After Third Molar Surgery.
    Ghensi P; Cucchi A; Creminelli L; Tomasi C; Zavan B; Maiorana C · The Journal of craniofacial surgery · 2018
    Randomized trial84 participantsAnti-Inflammatory Support forBromelain
  3. 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
  4. 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
  5. Is bromelain an effective drug for the control of pain and inflammation associated with impacted third molar surgery? Systematic review and meta-analysis.
    de A C Almeida R; de Sousa Lima FCM; do E Vasconcelos BC · International journal of oral and maxillofacial surgery · 2019
    Meta-analysis252 participants5 studies pooledAnti-Inflammatory Support forBromelain
  6. 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
  7. Serum vitamin C and spinal pain: a nationwide study.
    Dionne CE; Laurin D; Desrosiers T; Abdous B; Le Sage N; Frenette J; Mondor M; Pelletier S · Pain · 2017
    Cross-sectional study4,742 participantsGeneral Health forVitamin C
  8. 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
  9. Therapeutic efficacy of bromelain in impacted third molar surgery: a randomized controlled clinical study.
    Ordesi P; Pisoni L; Nannei P; Macchi M; Borloni R; Siervo S · Quintessence international (Berlin, Germany : 1985) · 2016
    Randomized trial80 participantsAnti-Inflammatory Support forBromelain
  10. 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
  11. 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
  12. Efficacy of proteolytic enzyme bromelain on health outcomes after third molar surgery. Systematic review and meta-analysis of randomized clinical trials.
    Mendes ML; do Nascimento-Júnior EM; Reinheimer DM; Martins-Filho PR · Medicina oral, patologia oral y cirugia bucal · 2019
    Meta-analysis6 studies pooledAnti-Inflammatory Support General Health forBromelain
  13. 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 pooledGeneral Health forVitamin C
  14. 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
  15. Bromelain supplementation and inflammatory markers: A systematic review of clinical trials.
    Pereira IC; Sátiro Vieira EE; de Oliveira Torres LR; Carneiro da Silva FC; de Castro E Sousa JM; Torres-Leal FL · Clinical nutrition ESPEN · 2023
    Systematic review7 studies pooledAnti-Inflammatory Support forBromelain
  16. Evaluating the effects of chlorhexidine and vitamin c mouthwash on oral health in non-surgical periodontal therapy: a randomized controlled clinical trial.
    Ozmeric N; Enver A; Isler SC; Gökmenoğlu C; Topaloğlu M; Selamet H; Altun G; Aykol Sayar S · Scientific reports · 2025
    Randomized trial60 participantsGeneral Health forVitamin C
  17. 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
  18. Placebo-controlled randomized clinical trial on the immunomodulating activities of low- and high-dose bromelain after oral administration - new evidence on the antiinflammatory mode of action of bromelain.
    Müller S; März R; Schmolz M; Drewelow B; Eschmann K; Meiser P · Phytotherapy research : PTR · 2013
    Randomized trial12 participantsAnti-Inflammatory Support General Health Immunity forBromelain
  19. 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
  20. 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
  21. Prospective double-blind clinical trial evaluating the effectiveness of Bromelain in the third molar extraction postoperative period.
    de la Barrera-Núñez MC; Yáñez-Vico RM; Batista-Cruzado A; Heurtebise-Saavedra JM; Castillo-de Oyagüe R; Torres-Lagares D · Medicina oral, patologia oral y cirugia bucal · 2014
    Randomized trial34 participantsAnti-Inflammatory Support forBromelain
  22. Ascorbate for Organ Dysfunction in Critically Ill Patients With Sepsis: The Phase 2b ASTER Trial.
    Files DC; Matthay MA; Ware LB; Brower RG; Aggarwal NR; Brown SM; Chang SY; Douglas IS; Duggal A; Gibbs KW; Fields S; Foulkes AS; Ginde A; Goodwin A; Harris ES; Hendey GW; Hibbert K; Hite RD; Hough CL; Huang W; Khan A; Lai P; Liu KD; Miller C; Moskowitz A; Riker R; Robinson BRH; Self WH; Tidswell MA; Yealy DM; Thompson BT; Fowler AA · CHEST critical care · 2026
    Randomized trial79 participantsGeneral Health forVitamin C
  23. Comparative Evaluation of Locally Injected Dexamethasone with and Without Vitamin C in Mandibular Fractures: A Randomized Controlled Trial.
    Chincholkar A; Rudagi BM; Setiya S; Sakhariya S · Journal of maxillofacial and oral surgery · 2025
    Randomized trial30 participantsSkin Health forVitamin C
  24. Bromelain as a Treatment for Osteoarthritis: a Review of Clinical Studies.
    Brien S; Lewith G; Walker A; Hicks SM; Middleton D · Evidence-based complementary and alternative medicine : eCAM · 2024
    Narrative reviewAnti-Inflammatory Support forBromelain
  25. 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
  26. 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
  27. Therapeutic uses of pineapple-extracted bromelain in surgical care - A review.
    Muhammad ZA; Ahmad T · JPMA. The Journal of the Pakistan Medical Association · 2019
    Narrative reviewAnti-Inflammatory Support forBromelain
  28. 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
  29. Split-Face Comparative Analysis Of Micro-Needling With Tranexamic Acid Vs Vitamin C Serum In Melasma.
    Raza MH; Iftikhar N; Anwar A; Mashhood AA; Tariq S; Bin Hamid MA · Journal of Ayub Medical College, Abbottabad : JAMC · 2022
    Non-randomized trial30 participantsSkin Health forVitamin C
  30. An Evaluation of the Effects of Pineapple-Extract and Bromelain-Based Treatment after Mandibular Third Molar Surgery: A Randomized Three-Arm Clinical Study.
    Colletti A; Procchio C; Pisano M; Martelli A; Pellizzato M; Cravotto G · Nutrients · 2024
    Randomized trial42 participantsAnti-Inflammatory Support forBromelain
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. Perioperative bromelain reduces pain and swelling and improves quality of life measures after mandibular third molar surgery: a randomized, double-blind, placebo-controlled clinical trial.
    Majid OW; Al-Mashhadani BA · Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons · 2014
    Randomized trial45 participantsGeneral Health forBromelain
  37. Bromelain-based enzymatic burn debridement: A systematic review of clinical studies on patient safety, efficacy and long-term outcomes.
    Shoham Y; Gasteratos K; Singer AJ; Krieger Y; Silberstein E; Goverman J · International wound journal · 2023
    Systematic review34 studies pooledGeneral Health forBromelain
  38. Bromelain reduces mild acute knee pain and improves well-being in a dose-dependent fashion in an open study of otherwise healthy adults.
    Walker AF; Bundy R; Hicks SM; Middleton RW · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2003
    Randomized trial77 participantsGeneral Health forBromelain
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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
  51. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  52. 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
  53. 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