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Vita-C Plus Urgent Rescue

4.8
★ ★ ★ ★ ★
(52 ratings)
Zinc 15 mg
Vitamin C 1000 mg
Protein (unspecified) 2 Gram(s)
Product Image
Score75
A potent vitamin C and zinc formula with several herbal additions. It offers broad immune support but carries more interaction and tolerance considerations than a simple two-ingredient product.
How scoring works
Softgel
Quantity:60 Softgel(s) • (15 servings)
Goals:
Immunity
Anti-Inflammatory Support
Skin Health
General Health

Score 75

A potent vitamin C and zinc formula with several herbal additions. It offers broad immune support but carries more interaction and tolerance considerations than a simple two-ingredient product.
How scoring works
$19.99($1.33 per serving)
iHerb
$ 19.99
Vitacost
$ 21.39
Pure Formulas
$ 19.99
Report prices

Analysis

Vitamin C and zinc citrate are supplied at substantial amounts and form the most evidence-aligned part of the formula. Flaxseed oil provides a softgel base, while rose hip and olive extract add secondary plant compounds.

Echinacea broadens the immune positioning, though its usefulness depends on individual tolerance and context. BioPerine may increase absorption but can also alter how some medicines are processed.

The formula is stronger for short-term immune-oriented use than for hair, nails, vision, or testosterone support. Several capsules per serving and concentrated actives may be harder on the stomach than a basic vitamin C product.

Who is it for
  • Adults seeking short-term vitamin C and zinc support
  • People comfortable with echinacea and botanical extracts
  • Users who prefer oil-based softgels
Best for
  • Immune-oriented nutrient support
  • High-dose vitamin C intake
  • Zinc supplementation

Pros

  • Substantial vitamin C amount
  • Uses zinc citrate
  • Includes olive extract and flaxseed oil

Cons

  • Complex four-softgel serving
  • Botanical additions are not necessary for every user
  • Weak alignment with several listed beauty goals

Warnings

  • Echinacea may be unsuitable with immunosuppressant therapy or allergy to daisy-family plants.
  • BioPerine can alter absorption or metabolism of some medicines.
  • The vitamin C and zinc amounts may cause nausea, cramps, or loose stools, especially on an empty stomach.

Nutrient quality

78 High impact

Zinc citrate and a standardized olive extract are useful choices, while echinacea and rose hip standardization are incomplete. Vitamin C, zinc, flaxseed oil, echinacea, and olive extract all reach purposeful amounts.

Ingredient transparency

85 Highest impact

Every listed active has a specific amount. No proprietary blend conceals a key ingredient dose.

Customer satisfaction

67 High impact

The average rating is very strong and supports a positive customer signal. The review base is more limited, and no specific complaint or experience themes were provided.

Value for money

65 Moderate impact

The focused actives offer reasonable quality, but the short supply and relatively costly serving limit competitiveness. Comparable products may offer clearer dosing or better quality for the cost.

Report analysis

Goals

Immunity
Immunity
Impact
Highest effect
A Goal FitA- Strength of SupportB CoverageB+ Formula Quality
Vitamin C · 1000 mgZinc · 15 mg

A substantial vitamin C amount and maintenance zinc provide a strong, clearly disclosed immune foundation. Echinacea and olive extract add complementary botanical pathways without replacing the core nutrients.

Plain ascorbic acid may be less comfortable for sensitive stomachs, and the four-softgel serving adds unnecessary burden. Zinc can reduce absorption of tetracycline or quinolone antibiotics and penicillamine when doses are taken too closely.

Study evidence
Vitamin C Supportive 53 studies
Zinc Supportive 73 studies
Anti-Inflammatory Support
Cellular Defense
Anti-Inflammatory Support
Impact
High effect
B Goal FitB Strength of SupportB- CoverageB- Formula Quality
Vitamin C · 1000 mg

Vitamin C, zinc, flaxseed oil, echinacea, and olive extract combine antioxidant and immune-support mechanisms. The main vitamin and mineral amounts are meaningful, while the botanical evidence is more situational.

The formula offers reasonable breadth without an extreme number of ingredients. It remains more aligned with short-term immune support than with deep, targeted modulation of inflammatory pathways.

Study evidence
Vitamin C Supportive 50 studies
Zinc Supportive 64 studies
Skin Health
Skin Health
Impact
High effect
B Goal FitB+ Strength of SupportB- CoverageC- Formula Quality
Zinc · 15 mgVitamin C · 1000 mg

Vitamin C and zinc directly support collagen formation and repair, while flaxseed oil may contribute to skin barrier lipids. The immune botanicals add antioxidant variety but are not strongly supported for visible skin outcomes.

The 1,000 mg vitamin C and 15 mg zinc amounts are substantial, and zinc citrate is a favorable form. Plain ascorbic acid is unbuffered, while several botanical extracts add cost and complexity without strengthening the core skin strategy.

Study evidence
Vitamin C Supportive 53 studies
Zinc Supportive 66 studies
General Health
General Health
Impact
High effect
B- Goal FitB Strength of SupportC CoverageB- Formula Quality
Zinc · 15 mgVitamin C · 1000 mg

Vitamin C and zinc provide focused antioxidant and immune support with clearly disclosed amounts. Echinacea and olive extract add complementary botanical activity but are less foundational than the nutrients.

The vitamin C amount is substantial and zinc citrate is a suitable maintenance source. A four-softgel serving and the broad oil-based delivery add complexity without clearly improving vitamin C performance.

Study evidence
Vitamin C Supportive 56 studies
Zinc Supportive 60 studies
Hair Health
Scalp Health and Protection
Hair Health
Impact
Moderate effect
C- Goal FitB- Strength of SupportD+ CoverageC- Formula Quality
Zinc · 15 mgVitamin C · 1000 mg

Vitamin C and zinc support collagen formation and normal follicle maintenance. Olive extract and rose hip add related antioxidant support.

The formula targets urgent immune support and does not provide structural hair proteins, iron, or silicon. Echinacea and flax oil add little direct value for hair.

Study evidence
Vitamin C Mixed 5 studies
Zinc Supportive 22 studies
Vision Support
Macular and Blue Light Defense
Vision Support
Impact
Moderate effect
C Goal FitB- Strength of SupportD+ CoverageD Formula Quality
Zinc · 15 mgVitamin C · 1000 mg

Vitamin C and zinc provide meaningful antioxidant and retinal support, but the immune formula is not a complete vision product. It lacks lutein, zeaxanthin, vitamin E, copper, and DHA.

The 1,000 mg vitamin C amount is high but practical, while zinc citrate is supplied at a maintenance amount. Echinacea, olive extract, and flaxseed oil do not replace core ocular nutrients.

Study evidence
Vitamin C Disputed 24 studies
Zinc Supportive 39 studies

Ingredients

IngredientAmount per serving
Calories
40 Calorie(s)
Total Fat
2.5 Gram(s)
Total Carbohydrates
3 Gram(s)
Protein
2 Gram(s)
Vitamin C (Ascorbic Acid)
 1000 mg
Zinc (Zinc Citrate)
 15 mg
Flaxseed Oil
2400 mg
Echinacea purpurea extract
400 mg
Olive extract (Oleuropein)
 200 mg
Rugose Rose (Rose Hip) extract
100 mg
BioPerine Complex
6 mg
Adults 18–50 Women
Report overview
Zinc (Zinc Citrate) · 15 mg OverallScore73
B+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value

Zinc citrate is an effective organic salt with good absorption and tolerance. The 15 mg elemental zinc amount provides effective maintenance support, and the maintenance zinc dose is below the level where copper depletion is a major concern. The four-softgel serving is costly for a standard citrate dose.

View ingredientView products
Vitamin C (Ascorbic Acid) · 1000 mg OverallScore50
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value

A substantial ascorbic acid serving reaches the practical upper target but uses no specialized vitamin C delivery. The softgel includes fats and several botanical ingredients, yet none are shown to buffer the ascorbic acid. High cost per gram makes the convenience-focused format poor value for vitamin C.

View ingredientView products
Loading alternative details
94 Performance

ACES+Zn

Carlson
<p>Calcium ascorbate, zinc citrate, natural vitamin E, beta-carotene, and selenomethionine create a well-disclosed antioxidant and immune-support formula. Vitamin C is lower than the original, but the mineral forms and absence of proprietary blends make potency easier to judge.</p>
91 Performance

L-Lysine 985 mg

Solaray
<p>Vitamin C, vitamin B6, several named zinc forms, and a substantial lysine serving provide broader transparent nutrient support. The formula omits the original botanicals and supplies more zinc than some users need.</p>
93 Performance

Immune Boost

NaturesPlus
<p>Vitamin C, vitamin D3, zinc, selenium, and N-acetyl-cysteine form a focused, fully quantified immune-support combination. Higher vitamin D and zinc amounts warrant care, and it gives up the original echinacea, olive, rose hip, flaxseed oil, and BioPerine.</p>
90 Budget

Vitamin C 1000 mg with Zinc 45 mg

Nutricost
<p>A far lower serving cost retains the same vitamin C amount and provides a clearly listed zinc chelate. The zinc amount is much higher, while flaxseed oil, echinacea, olive, rose hip, and BioPerine are omitted.</p>
88 Budget

Vitamin C + D3 & Zinc

NutriBiotic Immunity
<p>A much cheaper serving adds vitamin D3 to a clearly dosed vitamin C and zinc combination. The vitamin C and zinc amounts are aggressive, and the simpler formula lacks the original botanical and oil components.</p>
72 Budget

Airborne Assorted Fruit Flavors

Airborne Original
<p>A modestly lower serving cost supplies vitamin C along with vitamins A and E, magnesium, zinc, selenium, and manganese. Zinc is minimal and the herbal blend is proprietary, so transparency and targeted immune coverage remain weaker.</p>
88 Value

Immune Booster

NaturesPlus Source of Life
<p>A lower recurring cost pairs vitamin C and zinc with beta-carotene, vitamin E, larch, olive, andrographis, echinacea, elderberry, and a probiotic. Several botanical amounts are clear, though extract standardization and the tiny probiotic mass leave some uncertainty.</p>
89 Value

Immune Intensive

Seeking Health
<p>A lower serving cost combines buffered vitamin C, vitamin D3, zinc citrate, vitamin A, and vitamin K2 with complete dose disclosure. It offers strong nutrient breadth for the money but lacks the original oils and botanicals, and the vitamin D amount is high.</p>
69 Value

Airborne Kids Assorted Fruit Flavors

Airborne
<p>A cheaper serving supplies vitamin C plus vitamins A and E, magnesium, zinc, selenium, and manganese. The formula is intended for children, contains little zinc, and hides its herbal ingredients in a proprietary blend.</p>
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. Zinc for infection prevention in children with sickle cell anemia: a randomized double-blind placebo-controlled trial.
    Namazzi R; Opoka R; Conroy AL; Datta D; Tagoola A; Bond C; Goings MJ; Ryu MS; Cusick SE; Krebs NF; Jang JH; Tu W; Ware RE; John CC · Blood advances · 2023
    Randomized trial252 participantsImmunity forZinc
  7. Intestinal and systemic immune responses to an oral cholera toxoid B subunit whole-cell vaccine administered during zinc supplementation.
    Karlsen TH; Sommerfelt H; Klomstad S; Andersen PK; Strand TA; Ulvik RJ; Ahrén C; Grewal HM · Infection and immunity · 2003
    Randomized trial30 participantsImmunity forZinc
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. Effectiveness of sodium bicarbonate and zinc chloride mouthwashes in the treatment of oral mucositis and quality of life in patients with cancer under chemotherapy.
    Mohammadi F; Oshvandi K; Kamallan SR; Khazaei S; Ranjbar H; Ahmadi-Motamayel F; Gillespie M; Jenabi E; Vafaei SY · Nursing open · 2022
    Randomized trial144 participantsGeneral Health forZinc
  24. Zinc supplementation in young children with acute diarrhea in India.
    Sazawal S; Black RE; Bhan MK; Bhandari N; Sinha A; Jalla S · The New England journal of medicine · 1995
    Randomized trial937 participantsGeneral Health forZinc
  25. Associations of mortality with ocular disorders and an intervention of high-dose antioxidants and zinc in the Age-Related Eye Disease Study: AREDS Report No. 13.
    Clemons TE; Kurinij N; Sperduto RD; AREDS Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2004
    Randomized trial4,753 participantsGeneral Health forZinc
  26. Effects of zinc and probiotic co-supplementation on inflammation, gastrointestinal symptoms, quality of life, and mood in irritable bowel syndrome patients.
    Rezazadegan M; Soheilipour M; Amani R · Scientific reports · 2026
    Randomized trial84 participantsGeneral Health forZinc
  27. Effect of zinc sulfate supplementation on premenstrual syndrome and health-related quality of life: Clinical randomized controlled trial.
    Siahbazi S; Behboudi-Gandevani S; Moghaddam-Banaem L; Montazeri A · The journal of obstetrics and gynaecology research · 2018
    Randomized trial142 participantsGeneral Health forZinc
  28. Management of hair loss associated with endocrine therapy in patients with breast cancer: an overview.
    Karatas F; Sahin S; Sever AR; Altundag K · SpringerPlus · 2016
    Narrative reviewHair Health forVitamin C
  29. Elucidating causal relationships of diet-derived circulating antioxidants and the risk of non-scarring alopecia: A Mendelian randomization study.
    Ba Y; Shen L; Peng X; Zhang Y; Wang J · Medicine · 2024
    Methods validation study201,019 participantsHair Health forVitamin C
  30. Alterations of plasma antioxidants and mitochondrial DNA mutation in hair follicles of smokers.
    Liu CS; Chen HW; Lii CK; Tsai CS; Kuo CL; Wei YH · Environmental and molecular mutagenesis · 2002
    Observational studyHair Health forVitamin C
  31. Removal of synthetic hair dye using formamidine sulfinic acid and other sulfinate precursors.
    Hawkes JA; Lewis DM; Mama J; Murray J · International journal of cosmetic science · 2026
    Methods validation studyHair Health forVitamin C
  32. A Zinc Sulphate-Resistant Acrodermatitis Enteropathica Patient with a Novel Mutation in SLC39A4 Gene.
    Kilic M; Taskesen M; Coskun T; Gürakan F; Tokatli A; Sivri HS; Dursun A; Schmitt S; Küry S · JIMD reports · 2013
    Case reportHair Health forVitamin C
  33. The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
    Berger RS; Fu JL; Smiles KA; Turner CB; Schnell BM; Werchowski KM; Lammers KM · The British journal of dermatology · 2003
    Randomized trial200 participantsHair Health forZinc
  34. Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
    Schwartz JR; Henry JP; Kerr KM; Flagler MJ; Page SH; Redman-Furey N · Journal of cosmetic dermatology · 2018
    Randomized trialHair Health forZinc
  35. A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
    Draelos ZD; Kenneally DC; Hodges LT; Billhimer W; Copas M; Margraf C · The journal of investigative dermatology. Symposium proceedings · 2006
    Randomized trial40 participantsHair Health forZinc
  36. BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
    Ozturk P; Kurutas E; Ataseven A; Dokur N; Gumusalan Y; Gorur A; Tamer L; Inaloz S · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2015
    Case-control study216 participantsHair Health forZinc
  37. Analysis of serum zinc and copper concentrations in hair loss.
    Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
    Case-control study342 participantsHair Health forZinc
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. Vitamin C Deficiency in Inflammatory Bowel Disease: The Forgotten Micronutrient.
    Dunleavy KA; Ungaro RC; Manning L; Gold S; Novak J; Colombel JF · Crohn's & colitis 360 · 2023
    Other20 participantsNail Health forVitamin C
  46. Vitamins and minerals: their role in nail health and disease.
    Scheinfeld N; Dahdah MJ; Scher R · Journal of drugs in dermatology : JDD · 2007
    Narrative reviewNail Health forZinc
  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. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. Environmental exposure to metals and male reproductive hormones: circulating testosterone is inversely associated with blood molybdenum.
    Meeker JD; Rossano MG; Protas B; Padmanahban V; Diamond MP; Puscheck E; Daly D; Paneth N; Wirth JJ · Fertility and sterility · 2010
    Cross-sectional study219 participantsTestosterone Support forZinc
  58. Nonpharmacological Interventions for the Management of Testosterone and Sperm Parameters: A Scoping Review.
    Santos HO; Cadegiani FA; Forbes SC · Clinical therapeutics · 2022
    Scoping reviewTestosterone Support forZinc
  59. Zinc is an Essential Element for Male Fertility: A Review of Zn Roles in Men's Health, Germination, Sperm Quality, and Fertilization.
    Fallah A; Mohammad-Hasani A; Colagar AH · Journal of reproduction & infertility · 2020
    Narrative reviewTestosterone Support forZinc
  60. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  61. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  62. 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
  63. 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
  64. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  65. 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
  66. 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
  67. 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
  68. 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
  69. 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
  70. 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
  71. 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