Product Image

1000 mg Vitamin C Raspberry

Emergen-C
4.6
★ ★ ★ ★ ★
(8101 ratings)
Potassium 200 mg
Vitamin C 1000 mg
Product Image
Score70
A useful high-dose vitamin C drink with light electrolyte and B-vitamin support, offset by added carbohydrate and a cluttered nutrient presentation.
How scoring works
Quantity:30 Packet(s) • (30 servings)
Goals:
Immunity
General Health
Skin Health
Anti-Inflammatory Support

Score 70

A useful high-dose vitamin C drink with light electrolyte and B-vitamin support, offset by added carbohydrate and a cluttered nutrient presentation.
How scoring works

Also available as

5 options
Tangerine C 1000 mg, Potassium 200 mg • 30 Packet(s) • 30 servings $12.98 ($0.43 per serving) Strawberry-Kiwi C 1000 mg, Potassium 200 mg • 30 Packet(s) • 30 servings $12.98 ($0.43 per serving) Pink Lemonade Carbohydrate 9 Gram(s), C 1000 mg +2 more • 30 Packet(s) • 30 servings $12.99 ($0.43 per serving) 10 servings C 1000 mg, Potassium 200 mg • 10 Packet(s) • 10 servings $4.57 ($0.45 per serving) Super Orange C 1000 mg, Potassium 200 mg • 10 Packet(s) • 10 servings $5.99 ($0.59 per serving)
$12.98($0.43 per serving)
Amazon
$ 25.96
Walmart
$ 12.98
Vitacost
$ 15.55
iHerb
$ 15.43
iHerb
$ 15.43
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Analysis

A 1,000 mg vitamin C serving provides meaningful antioxidant support and contributes to normal immune function and collagen formation. The formula is most useful for people who specifically want vitamin C in a flavored drink.

Potassium and magnesium add modest electrolyte support, while the B vitamins and small zinc amount broaden the label without making it a complete daily supplement. 8 grams of carbohydrate per serving also make the mix less lean than a simple capsule or unsweetened powder.

The packet format is portable and easy to mix, but cost efficiency is only moderate for ordinary ascorbate forms. Duplicate-looking entries for nutrient sources make some totals harder to interpret than they need to be.

Who is it for
  • People who prefer a flavored drink over tablets or capsules
  • Adults seeking focused vitamin C support with a small amount of electrolytes
  • Travelers who value individually portioned drink mix
Best for
  • Convenient vitamin C supplementation
  • General antioxidant and collagen support
  • Light electrolyte support alongside vitamin C

Pros

  • Provides a clearly stated 1,000 mg vitamin C serving
  • Includes 200 mg potassium from several mineral sources
  • Portable drink format may be easier to use than pills
  • Adds several B vitamins without relying on a proprietary blend

Cons

  • Contains 8 grams of carbohydrate per serving
  • Most supporting minerals and zinc are present only in modest amounts
  • Repeated source entries make the ingredient panel harder to read
  • Ordinary ascorbate forms limit the case for paying for a complex formula

Warnings

  • A 1,000 mg vitamin C serving may cause nausea, cramping, or loose stools in sensitive users.
  • People prone to calcium-oxalate kidney stones should review routine high-dose vitamin C use with a qualified professional.
  • Each serving contributes 8 grams of carbohydrate, which matters for people closely managing carbohydrate intake.

Nutrient quality

71 High impact

Ascorbic acid is partly buffered by ascorbate and alkaline mineral forms. The vitamin C and vitamin B6 amounts are assertive but not obviously extreme for adult use.

Ingredient transparency

82 Highest impact

Listed active amounts are clear and no proprietary blend hides a key dose. Complete directions and inactive-ingredient details remain incomplete.

Customer satisfaction

72 High impact

The aggregate rating and its volume provide a favorable top-level signal. Missing experience details prevent assessment of repeated complaints or purpose-specific satisfaction.

Value for money

52 Moderate impact

Packet convenience and broad nutrients support only modest value. Drink carriers or broad additions limit a stronger conclusion.

Report analysis

Goals

Immunity
Immunity
Impact
High effect
A Goal FitA- Strength of SupportC+ CoverageC- Formula Quality
Magnesium · 53 mgVitamin C · 1000 mgZinc · 2 mg

A 1,000 mg vitamin C serving provides meaningful antioxidant and immune support. The small zinc amount and other micronutrients add little depth beyond the core vitamin C.

The packet contains eight grams of carbohydrate and repeats many mineral sources, making the label more complicated than needed. It remains a focused vitamin C option rather than a broad immune formula.

Study evidence
Vitamin C Supportive 53 studies
Zinc Supportive 73 studies
General Health
General Health
Impact
High effect
A- Goal FitB Strength of SupportC+ CoverageC- Formula Quality
Folate · 167 mcg DFEVitamin B12 · 25 mcgMagnesium · 53 mgZinc · 2 mgVitamin C · 1000 mg

A substantial vitamin C amount may support antioxidant defenses, collagen formation, and normal immune function. Several B vitamins and minerals add some breadth, though many appear in modest amounts or repeated source entries.

The packet format is convenient but carries a notable carbohydrate load and offers only partial buffering. Its main value is focused vitamin C support rather than comprehensive daily wellness.

Study evidence
Vitamin C Supportive 56 studies
Skin Health
Skin Health
Impact
High effect
B+ Goal FitB+ Strength of SupportC+ CoverageD- Formula Quality
Zinc · 2 mgVitamin C · 1000 mg

A substantial vitamin C serving supports collagen synthesis and antioxidant defense. Added zinc provides a smaller complementary role in normal skin repair.

The carbohydrate-heavy drink mix and broad nutrient list make the formula less focused. It offers little direct support for moisture retention or structural proteins.

Study evidence
Vitamin C Supportive 53 studies
Zinc Supportive 66 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
B- Goal FitB+ Strength of SupportC- CoverageD- Formula Quality
Vitamin C · 1000 mg

Vitamin C supplies substantial antioxidant support that may limit oxidative stress associated with inflammation. It does not directly target major inflammatory enzymes or provide a broad inflammation-management strategy.

The 1,000 mg amount is clearly disclosed as basic ascorbate forms. A large general nutrient panel and eight grams of carbohydrate add considerable bulk without strengthening the main anti-inflammatory pathway.

Study evidence
Vitamin C Supportive 50 studies
Zinc Supportive 64 studies
Vision Support
Vision Support
Impact
Moderate effect
C+ Goal FitB Strength of SupportD- CoverageD+ Formula Quality
Zinc · 2 mgVitamin C · 1000 mg

High-dose vitamin C provides meaningful antioxidant support for ocular tissues, with a small amount of zinc adding limited complementary value. The formula lacks lutein, zeaxanthin, vitamin E, copper, and omega-3 fats, so it does not resemble comprehensive vision support.

The exact vitamin C amount is clear, but duplicate-looking entries for several nutrients make some totals confusing. The drink also supplies a notable carbohydrate load that does not improve its eye-health role.

Study evidence
Vitamin C Disputed 24 studies
Zinc Supportive 39 studies
Heart Health
Heart Health
Impact
Moderate effect
D+ Goal FitD+ Strength of SupportC- CoverageC- Formula Quality
Magnesium · 53 mgVitamin B12 · 25 mcgVitamin B6 · 10 mgFolate · 167 mcg DFE

Potassium, magnesium, vitamin C, and B vitamins offer general nutritional support, but the drink mix is not built around cardiovascular outcomes. The electrolyte amounts are modest and there is no omega fatty acid, CoQ10, or K2 pathway.

Most amounts are disclosed, though many ingredients appear repeatedly under multiple source forms. The broad immune and energy formula spreads attention across small nutrient doses rather than delivering strong heart-specific depth.

Study evidence
Magnesium Supportive 158 studies
Potassium Supportive 182 studies

Ingredients

IngredientAmount per serving
Calories
35 Calorie(s)
Total Carbohydrates
8 Gram(s)
Vitamin C (Ascorbic Acid, Zinc Ascorbate)
 1000 mg
Thiamine (Thiamine Hydrochloride, Vitamin B1)
 0.36 mg
Riboflavin (Riboflavin 5-Phosphate, Vitamin B2)
 0.39 mg
Niacin (Vitamin B3)
 4 mg
Vitamin B6 (Pyridoxine Hydrochloride)
 10 mg
Folate (Vitamin B9)
 167 mcg DFE
Vitamin B12 (Cyanocobalamin)
 25 mcg
Pantothenic Acid (Calcium Pantothenate, Vitamin B5)
 2.5 mg
Calcium (Calcium Carbonate, Calcium Pantothenate, Monobasic Calcium Phosphate, Tribasic Calcium Phosphate)
 50 mg
Phosphorus (Monobasic Calcium Phosphate, Monobasic Potassium Phosphate, Monobasic Sodium Phosphate, Tribasic Calcium Phosphate)
 38 mg
Magnesium (Magnesium Carbonate, Magnesium Hydroxide)
 53 mg
Zinc (Zinc Ascorbate)
 2 mg
Manganese (Manganese Gluconate)
 0.5 mg
Chromium (Chromium Picolinate)
 10 mcg
Sodium (Monobasic Sodium Phosphate, Sodium Bicarbonate)
 65 mg
Potassium (Monobasic Potassium Phosphate, Potassium Bicarbonate, Potassium Carbonate)
 200 mg
Gluten Free Adults 18–50 Children 4+ Vegetarian
Report overview
Potassium (Monobasic Potassium Phosphate, Potassium Bicarbonate, Potassium Carbonate) · 200 mg OverallScore68
B Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyC+ Value

Potassium bicarbonate supplies a preferred alkalizing form within a mixed phosphate and carbonate source profile. The 200 mg serving is moderate. A low serving cost gives reasonable efficiency for the amount provided.

View ingredientView products
Vitamin C (Ascorbic Acid, Zinc Ascorbate) · 1000 mg OverallScore58
C Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyF Value

The 1,000 mg dose is well targeted, and the label separates vitamin C from the added nutrients. A blend of ascorbic acid and zinc ascorbate offers only partial buffering, while the carbohydrate-heavy packet is less clean than a simple tablet. Packet convenience is useful, but cost efficiency is below average for a basic form.

View ingredientView products
Loading alternative details
89 Performance

Pure Buffered Calcium Ascorbate

NOW
<p>Buffered calcium ascorbate offers a gentler, clearly dosed vitamin C form than the carbohydrate-heavy packet and its many lightly dosed extras. The focused powder omits potassium and does not provide complete use or inactive-ingredient details.</p>
87 Performance

Potassium Bicarbonate 1.3 g

Nutricost
<p>Potassium bicarbonate provides a meaningful, well-absorbed amount in a simple alkalizing powder instead of the carbohydrate-heavy packet and its many lightly dosed extras. It does not replace the original vitamin C, and kidney impairment or potassium-retaining medicines make unsupervised use unsafe.</p>
82 Performance

Liposomal Vitamin C 1000 mg

SunLipid
<p>Buffered vitamin C, phospholipids, and MCT create a more purposeful delivery system than the carbohydrate-heavy packet and its many lightly dosed extras. The sodium contribution may matter on a strict limit, and the formula does not replace the original potassium.</p>
85 Budget

C-500 With Rose Hips

NOW
<p>The serving cost is lower than the original. A focused vitamin C serving avoids the carbohydrate-heavy packet and its many lightly dosed extras, although plain ascorbic acid may bother sensitive stomachs.</p>
85 Budget

Potassium Chloride 365 mg

Nutricost
<p>The serving cost is lower than the original. Potassium chloride supplies a meaningful electrolyte amount without the carbohydrate-heavy packet and its many lightly dosed extras, but it omits vitamin C and lacks the buffering role of citrate or bicarbonate.</p>
85 Budget

Gold C Vitamin C 1000 mg

California Gold Nutrition
<p>The serving cost is lower than the original. A substantial plain vitamin C serving avoids the carbohydrate-heavy packet and its many lightly dosed extras, though the unbuffered form and missing carrier details reduce confidence for sensitive users.</p>
89 Value

C-500 Calcium Ascorbate-C

NOW
<p>Buffered calcium ascorbate gives a practical vitamin C amount with clear mineral disclosure and strong serving value compared with the carbohydrate-heavy packet and its many lightly dosed extras. The smaller vitamin C amount and lack of potassium make it a focused rather than complete substitute.</p>
82 Value

Meta-C 1000 mg Tablets

NutriBiotic Immunity
<p>A clearly disclosed vitamin C complex with named metabolites offers strong value and a potentially gentler format than the carbohydrate-heavy packet and its many lightly dosed extras. Spirulina adds limited clarity, and the formula does not cover potassium.</p>
81 Value

Potassium (Citrate)

Pure Encapsulations
<p>Potassium citrate supplies a well-absorbed, alkalizing form at a modest serving cost instead of relying on the carbohydrate-heavy packet and its many lightly dosed extras. The amount is moderate and vitamin C is absent, while kidney disease or potassium-retaining medicines can make supplementation unsafe.</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. 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
  3. 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
  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. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. Zinc decreases C-reactive protein, lipid peroxidation, and inflammatory cytokines in elderly subjects: a potential implication of zinc as an atheroprotective agent.
    Bao B; Prasad AS; Beck FW; Fitzgerald JT; Snell D; Bao GW; Singh T; Cardozo LJ · The American journal of clinical nutrition · 2010
    Randomized trial40 participantsAnti-Inflammatory Support forZinc
  16. Zinc Supplementation in Individuals with Prediabetes and type 2 Diabetes: a GRADE-Assessed Systematic Review and Dose-Response Meta-analysis.
    Nazari M; Nikbaf-Shandiz M; Pashayee-Khamene F; Bagheri R; Goudarzi K; Hosseinnia NV; Dolatshahi S; Omran HS; Amirani N; Ashtary-Larky D; Asbaghi O; Ghanavati M · Biological trace element research · 2024
    Meta-analysis23 studies pooledAnti-Inflammatory Support forZinc
  17. The Effects of Zinc Supplementation on C-Reactive Protein and Inflammatory Cytokines: A Meta-Analysis and Systematical Review.
    Ceylan MN; Akdas S; Yazihan N · Journal of interferon & cytokine research : the official journal of the International Society for Interferon and Cytokine Research · 2022
    Meta-analysis73 studies pooledAnti-Inflammatory Support forZinc
  18. The Effects of Zinc Sulfate Supplementation on Serum Copeptin, C-Reactive Protein and Metabolic Markers in Zinc-Deficient Diabetic Patients on Hemodialysis: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Hosseini R; Montazerifar F; Shahraki E; Karajibani M; Mokhtari AM; Dashipour AR; Ferns GA; Jalali M · Biological trace element research · 2021
    Randomized trial46 participantsAnti-Inflammatory Support forZinc
  19. Zinc supplementation and cardiovascular disease risk factors: A GRADE-assessed systematic review and dose-response meta-analysis.
    Nazari M; Ashtary-Larky D; Nikbaf-Shandiz M; Goudarzi K; Bagheri R; Dolatshahi S; Omran HS; Amirani N; Ghanavati M; Asbaghi O · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2023
    Meta-analysis75 studies pooledAnti-Inflammatory Support forZinc
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. Quantitative Association Between Serum/Dietary Magnesium and Cardiovascular Disease/Coronary Heart Disease Risk: A Dose-Response Meta-analysis of Prospective Cohort Studies.
    Zhao L; Hu M; Yang L; Xu H; Song W; Qian Y; Zhao M · Journal of cardiovascular pharmacology · 2020
    Meta-analysis544,581 participants18 studies pooledHeart Health forMagnesium
  26. Effects of magnesium supplementation on improving hyperglycemia, hypercholesterolemia, and hypertension in type 2 diabetes: A pooled analysis of 24 randomized controlled trials.
    Xu L; Li X; Wang X; Xu M · Frontiers in nutrition · 2023
    Meta-analysis1,325 participants24 studies pooledHeart Health forMagnesium
  27. The effect of lowering blood pressure by magnesium supplementation in diabetic hypertensive adults with low serum magnesium levels: a randomized, double-blind, placebo-controlled clinical trial.
    Guerrero-Romero F; Rodríguez-Morán M · Journal of human hypertension · 2009
    Randomized trial82 participantsHeart Health forMagnesium
  28. Positive effects of magnesium supplementation in metabolic syndrome.
    Kisters S; Kisters K; Werner T; Vormann J; Tokmak F; Westhoff T; Gröber U; Predel HG; Reuter H · International journal of clinical pharmacology and therapeutics · 2024
    Randomized trial54 participantsHeart Health forMagnesium
  29. Comparative Efficacy of Nutraceuticals on Endothelial Function: A Systematic Review and Network Meta-Analysis.
    Norouzzadeh M; Rashedi MH; Mahdavi-Mazdeh G; Kosari A; Shahinfar H · Current atherosclerosis reports · 2026
    Meta-analysisHeart Health forMagnesium
  30. Potassium intake, stroke, and cardiovascular disease a meta-analysis of prospective studies.
    D'Elia L; Barba G; Cappuccio FP; Strazzullo P · Journal of the American College of Cardiology · 2011
    Meta-analysis247,510 participants11 studies pooledHeart Health forPotassium
  31. Oral potassium supplementation for management of essential hypertension: A meta-analysis of randomized controlled trials.
    Poorolajal J; Zeraati F; Soltanian AR; Sheikh V; Hooshmand E; Maleki A · PloS one · 2017
    Meta-analysis1,213 participants23 studies pooledHeart Health forPotassium
  32. Joint association of urinary sodium and potassium excretion with cardiovascular events and mortality: prospective cohort study.
    O'Donnell M; Mente A; Rangarajan S; McQueen MJ; O'Leary N; Yin L; Liu X; Swaminathan S; Khatib R; Rosengren A; Ferguson J; Smyth A; Lopez-Jaramillo P; Diaz R; Avezum A; Lanas F; Ismail N; Yusoff K; Dans A; Iqbal R; Szuba A; Mohammadifard N; Oguz A; Yusufali AH; Alhabib KF; Kruger IM; Yusuf R; Chifamba J; Yeates K; Dagenais G; Wielgosz A; Lear SA; Teo K; Yusuf S; PURE Investigators · BMJ (Clinical research ed.) · 2019
    Cohort study103,570 participantsHeart Health forPotassium
  33. Effect of Potassium Supplementation on Endothelial Function: A Systematic Review and Meta-Analysis of Intervention Studies.
    D'Elia L; Cappuccio FP; Masulli M; La Fata E; Rendina D; Galletti F · Nutrients · 2023
    Meta-analysis332 participants5 studies pooledHeart Health forPotassium
  34. Effects of potassium supplementation on office, home, and 24-h blood pressure in patients with essential hypertension.
    Kawano Y; Minami J; Takishita S; Omae T · American journal of hypertension · 1999
    Randomized trial55 participantsHeart Health forPotassium
  35. 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
  36. 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
  37. 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
  38. Nutrient supplementation for prevention of viral respiratory tract infections in healthy subjects: A systematic review and meta-analysis.
    Vlieg-Boerstra B; de Jong N; Meyer R; Agostoni C; De Cosmi V; Grimshaw K; Milani GP; Muraro A; Oude Elberink H; Pali-Schöll I; Roduit C; Sasaki M; Skypala I; Sokolowska M; van Splunter M; Untersmayr E; Venter C; O'Mahony L; Nwaru BI · Allergy · 2022
    Meta-analysis199,055 participants115 studies pooledImmunity forZinc
  39. Zinc supplementation reduces the incidence of acute lower respiratory infections in infants and preschool children: a double-blind, controlled trial.
    Sazawal S; Black RE; Jalla S; Mazumdar S; Sinha A; Bhan MK · Pediatrics · 1998
    Randomized trial609 participantsImmunity forZinc
  40. A randomized controlled trial of zinc supplementation in the treatment of acute respiratory tract infection in Thai children.
    Rerksuppaphol S; Rerksuppaphol L · Pediatric reports · 2020
    Randomized trial64 participantsImmunity forZinc
  41. The effect of zinc and vitamin A supplementation on immune response in an older population.
    Fortes C; Forastiere F; Agabiti N; Fano V; Pacifici R; Virgili F; Piras G; Guidi L; Bartoloni C; Tricerri A; Zuccaro P; Ebrahim S; Perucci CA · Journal of the American Geriatrics Society · 1998
    Randomized trial136 participantsImmunity forZinc
  42. The role of specific nutrients in preventing immune system and blood cell disorders: an umbrella review.
    Vecchietti A; Strano P; Minutolo G; Grieco V; Cappuccio G; Granvillano G; Confalonieri L; Briganti GL; Raso E; Chimienti M; Pellegrini M; Mercogliano M; Spatari G; Lugli C; Urbano T; Lorenzon A · Journal of preventive medicine and hygiene · 2026
    Systematic review13 studies pooledImmunity forZinc
  43. 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
  44. 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
  45. 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
  46. 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
  47. Sex-related differences in response to zinc pyrithione shampoo vs. non-anti-dandruff shampoo.
    Collins LZ; Baines FL; Matheson JR; Turner GA; Diao Y; Li Y; Pi Y · International journal of cosmetic science · 2019
    Meta-analysis2,088 participants20 studies pooledSkin Health forZinc
  48. Maintenance of an Acidic Skin Surface with a Novel Zinc Lactobionate Emollient Preparation Improves Skin Barrier Function in Patients with Atopic Dermatitis.
    Andrew PV; Pinnock A; Poyner A; Brown K; Chittock J; Kay LJ; Cork MJ; Danby SG · Dermatology and therapy · 2024
    Cohort study23 participantsSkin Health forZinc
  49. Spatial expression of metallothionein, matrix metalloproteinase-1 and Ki-67 in human epidermal wounds treated with zinc and determined by quantitative immunohistochemistry: A randomised double-blind trial.
    Ågren MS; Chafranska L; Eriksen JO; Forman JL; Bjerrum MJ; Schjerling P; Larsen HF; Cottarelli E; Jorgensen LN; Gjerdrum LMR · European journal of cell biology · 2021
    Randomized trial30 participantsSkin Health forZinc
  50. A pilot trial using topical regular crystalline insulin vs. aqueous zinc solution for uncomplicated cutaneous wound healing: Impact on quality of life.
    Attia EA; Belal DM; El Samahy MH; El Hamamsy MH · Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society · 2014
    Randomized trial90 participantsSkin Health forZinc
  51. Evidence-Based Nutritional Interventions in Wound Care.
    Saeg F; Orazi R; Bowers GM; Janis JE · Plastic and reconstructive surgery · 2021
    Systematic review2,339 participants36 studies pooledSkin Health forZinc
  52. 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
  53. 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
  54. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  55. 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
  56. 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
  57. Antioxidant vitamin and mineral supplements for age-related macular degeneration.
    Evans JR · The Cochrane database of systematic reviews · 2002
    Systematic review170 participants7 studies pooledVision Support forZinc
  58. Antioxidant vitamin and mineral supplements for slowing the progression of age-related macular degeneration.
    Evans JR; Lawrenson JG · The Cochrane database of systematic reviews · 2023
    Meta-analysis3,790 participants5 studies pooledVision Support forZinc
  59. Oral zinc in macular degeneration.
    Newsome DA; Swartz M; Leone NC; Elston RC; Miller E · Archives of ophthalmology (Chicago, Ill. : 1960) · 1988
    Randomized trial151 participantsVision Support forZinc
  60. A randomized, placebo-controlled, clinical trial of high-dose supplementation with vitamins C and E, beta carotene, and zinc for age-related macular degeneration and vision loss: AREDS report no. 8.
    Age-Related Eye Disease Study Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2001
    Randomized trial3,640 participantsVision Support forZinc
  61. Effect of vitamin A and zinc supplementation on the nutriture of children in Northeast Thailand.
    Udomkesmalee E; Dhanamitta S; Sirisinha S; Charoenkiatkul S; Tuntipopipat S; Banjong O; Rojroongwasinkul N; Kramer TR; Smith JC · The American journal of clinical nutrition · 1992
    Randomized trial133 participantsVision Support forZinc