Product Image

Stress B with Zinc

21st Century
4.7
★ ★ ★ ★ ★
(3829 ratings)
Niacin 100 mg
Vitamin C 500 mg
Zinc 23.9 mg
Thiamin 10 mg
Copper 3 mg
Vitamin B5 20 mg
Riboflavin 10 mg
Product Image
Score77
A low-cost, high-potency B-complex with vitamin C, zinc, and copper. The doses are stronger than many people need for routine maintenance, especially when combined with other supplements.
How scoring works
Quantity:66 Tablet(s) • (66 servings)
Goals:
General Health
Immunity
Energy
Hair Health

Score 77

A low-cost, high-potency B-complex with vitamin C, zinc, and copper. The doses are stronger than many people need for routine maintenance, especially when combined with other supplements.
How scoring works
$6.49($0.09 per serving)
iHerb
$ 6.49
Amazon
$ 13.99
Report prices

Analysis

The compact formula combines vitamin C with a full range of B vitamins, zinc, and copper. It offers meaningful support for normal energy metabolism without a long list of herbs or novelty ingredients.

Niacin and zinc are supplied at relatively high amounts, while several vitamins use standard rather than active forms. The formula also lacks magnesium and other ingredients that would make it more directly suited to stress management.

Budget-conscious adults who deliberately want a strong B-complex may find it useful. Users already taking a multivitamin should avoid unnecessary stacking of niacin, zinc, and vitamin B6.

Who is it for
  • Budget-conscious adults seeking a B-complex
  • People wanting vitamin C and zinc alongside B vitamins
  • Users who can manage total nutrient intake
Best for
  • Broad B-vitamin coverage
  • Nutritional energy support
  • Low-cost daily supplementation

Pros

  • Broad B-vitamin spectrum
  • Includes vitamin C, zinc, and balancing copper
  • Very simple one-tablet format

Cons

  • High niacin amount
  • Zinc is elevated for casual stacking
  • Several nutrient forms are conventional

Warnings

  • Niacin may cause flushing, warmth, or stomach discomfort depending on individual tolerance.
  • The zinc amount can become excessive when combined with a multivitamin or immune formula.
  • Long-term stacking with another vitamin B6 product can raise total B6 intake unnecessarily.

Nutrient quality

64 Moderate impact

Substantial core nutrients support the intended role despite mostly basic forms. Aggressive niacin, zinc, and copper amounts reduce balance for routine use.

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Ingredient transparency

77 High impact

All listed active amounts are clear and no blend hides key doses. Inactive ingredients and complete use directions are still missing.

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Customer satisfaction

72 High impact

The supplied average rating is particularly strong. The very large review count makes the rating highly reliable.

.

Value for money

97 Highest impact

Substantial core nutrients and a very low serving cost create strong value. A focused formula avoids spending on weak specialty extras.

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Report analysis

Goals

General Health
General Health
Impact
Highest effect
A Goal FitB+ Strength of SupportA- CoverageB+ Formula Quality
Folate · 667 mcg DFEVitamin B12 · 12 mcgZinc · 23.9 mgVitamin C · 500 mg

Vitamin C, B vitamins, zinc, copper, and vitamin E cover energy metabolism, antioxidant defense, and immune nutrition. Most amounts are meaningful, giving the broad formula more depth than a token multivitamin blend.

Full amount disclosure is a strength, but zinc oxide, cyanocobalamin, pyridoxine hydrochloride, and synthetic vitamin E are less preferred forms. Duplicate thiamine entries add label complexity without expanding functional coverage.

Study evidence
Vitamin C Supportive 56 studies
Zinc Supportive 60 studies
Immunity
Immunity
Impact
Highest effect
A- Goal FitB Strength of SupportB CoverageB+ Formula Quality
Vitamin C · 500 mgZinc · 23.9 mg

Substantial vitamin C and zinc create a direct and meaningful immune-support foundation. Copper adds useful balance alongside the larger zinc amount.

Zinc oxide is less well absorbed than gluconate or citrate, which limits the quality of an otherwise strong dose. The B vitamins broaden metabolic support without obscuring the main immune actives.

Study evidence
Vitamin C Supportive 53 studies
Zinc Supportive 73 studies
Energy
Essential Energy Nutrients
Energy
Impact
High effect
A- Goal FitC Strength of SupportC+ CoverageA Formula Quality
Vitamin B5 · 20 mgRiboflavin · 10 mgThiamin · 10 mgVitamin B12 · 12 mcg

A broad B-vitamin set supports metabolic energy, while vitamin C and zinc add stress-related nutritional coverage. B12 is present only at a low maintenance amount and the formula provides no direct alertness or adaptogen pathway.

All nutrient amounts are disclosed, but cyanocobalamin, zinc oxide, and several standard B-vitamin forms limit absorption quality. High niacin provides potency without making the rest of the formula equally strong.

Hair Health
Hair Health
Impact
High effect
B- Goal FitC+ Strength of SupportC+ CoverageB- Formula Quality
Biotin · 45 mcgZinc · 23.9 mgVitamin C · 500 mg

Zinc provides the most direct follicle support, with folate, B12, biotin, vitamin C, and vitamin E adding broader nutritional and antioxidant coverage. The zinc amount is meaningful, but zinc oxide is less absorbable than better salts or chelates.

Copper sensibly balances the moderately high zinc intake, while the large B-vitamin emphasis is more relevant to stress support than hair. The 100 mg niacinamide dose may cause nausea or other digestive effects in sensitive users, and the zinc amount can also upset the stomach.

Study evidence
Biotin Supportive 4 studies
Copper Adverse 4 studies
Folate Mixed 15 studies
Vitamin C Mixed 5 studies
Vitamin E No effect 3 studies
Zinc Supportive 22 studies
Anti-Inflammatory Support
Cellular Defense
Anti-Inflammatory Support
Impact
Moderate effect
C Goal FitC+ Strength of SupportC CoverageD+ Formula Quality
Vitamin E · 13.5 mgVitamin C · 500 mg

Vitamin C and zinc offer antioxidant and immune-regulating support that may be useful when nutrient status is low. Vitamin E adds another antioxidant layer.

The key nutrients are clearly dosed, but zinc oxide and a broad stress-vitamin design reduce the anti-inflammatory focus. The many vitamins widen general nutritional coverage more than targeted pathway support.

Study evidence
Vitamin C Supportive 50 studies
Vitamin E Supportive 20 studies
Zinc Supportive 64 studies
Testosterone Support
Testosterone Support
Impact
Moderate effect
B- Goal FitC- Strength of SupportD CoverageD+ Formula Quality
Zinc · 23.9 mg

Zinc can support testosterone synthesis when zinc status is low. The amount is useful, but zinc oxide limits absorption.

Copper helps balance the higher zinc intake. The large B-vitamin and antioxidant panel is aimed at general stress nutrition rather than direct hormone pathways.

Study evidence
Zinc Disputed 7 studies

Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid)
 500 mg
Vitamin E (DL-Alpha-Tocopheryl Acetate)
 13.5 mg
Thiamine (Thiamine Mononitrate, Vitamin B1)
 10 mg
Riboflavin (Vitamin B2)
 10 mg
Niacin (Niacinamide)
 100 mg
Vitamin B6 (Pyridoxine Hydrochloride)
 5 mg
Folate
667 mcg DFE
Vitamin B12 (Cyanocobalamin)
 12 mcg
Biotin
45 mcg
Pantothenic Acid (D-Calcium Pantothenate)
 20 mg
Calcium (Calcium Carbonate)
 70 mg
Zinc (Zinc Oxide)
 23.9 mg
Copper (Cupric Sulfate)
 3 mg
Gluten Free Adults 18–50
Report overview
Niacin (Niacinamide) · 100 mg OverallScore79
C+ Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyA+ Value

Niacinamide is clearly identified within a broad stress-support vitamin and mineral formula. Its amount is higher than a typical multivitamin niacin dose, while the plain tablet offers no special release technology. The low serving cost and wider nutrient profile provide strong value, though the label does not explicitly say no-flush.

View ingredientView products
Vitamin C (Ascorbic Acid) · 500 mg OverallScore66
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value

A practical ascorbic acid amount appears within a broad B-vitamin and mineral formula. Calcium carbonate may partly buffer acidity, but the vitamin C form itself remains basic. Vitamin C value is good, although the overall design is aimed more at broad stress support than focused supplementation.

View ingredientView products
Zinc (Zinc Oxide) · 23.9 mg OverallScore66
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value

The 23.9 mg zinc serving provides a practical maintenance amount. Zinc oxide limits absorption quality compared with premium chelates or organic salts. Other active ingredients broaden the formula, but they do not resolve zinc-form limitations.

View ingredientView products
Loading alternative details
73 Performance

B-50 Gels

Carlson
<p>More focused Niacin, Thiamin, Riboflavin coverage comes from 50.00mg Niacin as Niacinamide, 50.00mg Riboflavin as Vitamin B2, and 50.00mg Thiamine as Thiamine Mononitrate. Compared with Stress B with Zinc, the disclosed forms and broader shared-nutrient fit provide a more targeted ingredient profile; however, the substantial vitamin B6 amount may be unsuitable for long-term stacking.</p>
66 Performance

B-100 Complex

Nature Made
<p>More focused Niacin, Thiamin, Riboflavin coverage comes from 100.00mg Thiamine as Thiamine Mononitrate, 100.00mg Niacin as Niacinamide, and 100.00mg Riboflavin. Compared with Stress B with Zinc, the disclosed forms and broader shared-nutrient fit provide a more targeted ingredient profile; however, the substantial vitamin B6 amount may be unsuitable for long-term stacking.</p>
76 Performance

B-Complex with Vitamin C Stress Formula

Solgar
<p>More focused Vitamin C, Niacin, Thiamin coverage comes from 100.00mg Niacin as Niacinamide, 100.00mg Pantothenic Acid as D-Calcium Pantothenate, 10.00mg Thiamine as Thiamine Mononitrate, 500.00mg Vitamin C as L-Ascorbic Acid, 10.00mg Thiamine as Vitamin B1, 10.00mg Riboflavin as Vitamin B2, 100.00mg Niacin as Vitamin B3, 10.00mg Vitamin B6 as Pyridoxine Hydrochloride, 166.00mcg DFE Folate, 25.00mcg Vitamin B12 as Cyanocobalamin, 25.00mcg Biotin as D-Biotin, 100.00mg Pantothenic Acid as Vitamin B5, 41.00mg Choline as Choline Bitartrate, 100.00mg Inositol, and 13.00mg Herbal Powdered Blend. Compared with Stress B with Zinc, the disclosed forms and broader shared-nutrient fit provide a more targeted ingredient profile; however, some blended ingredients lack individual amounts, which limits a complete comparison.</p>
80 Budget

B-Complex plus Vitamin C

21st Century
<p>A lower-cost serving retains useful Niacin, Thiamin, Riboflavin coverage through 50.00mg Niacin as Niacinamide, 15.00mg Thiamine as Thiamine Mononitrate, 14.30mg Riboflavin as Vitamin B2, 300.00mg Vitamin C as Ascorbic Acid, 15.00mg Thiamine as Vitamin B1, 5.00mg Vitamin B6 as Pyridoxine Hydrochloride, 10.00mg Pantothenic Acid as D-Calcium Pantothenate, 175.00mg Calcium as Calcium Carbonate, and 175.00mg Calcium as Dicalcium Phosphate. Compared with Stress B with Zinc, it reduces recurring cost while keeping the formula nutritionally relevant; however, inactive ingredients and complete use directions are not included in the supplied data.</p>
80 Budget

Super Vitamin B-Complex

Spring Valley
<p>A lower-cost serving retains useful Niacin, Thiamin, Riboflavin coverage through 25.00mg Niacin, 100.00mg Thiamine, and 20.00mg Riboflavin. Compared with Stress B with Zinc, it reduces recurring cost while keeping the formula nutritionally relevant; however, inactive ingredients and complete use directions are not included in the supplied data.</p>
79 Budget

Super Vitamin B-Complex

Spring Valley
<p>A lower-cost serving retains useful Niacin, Thiamin, Riboflavin coverage through 25.00mg Niacin, 100.00mg Thiamine, 20.00mg Riboflavin, 150.00mg Vitamin C, 2.00mg Vitamin B6, 680.00mcg DFE Folate, 15.00mcg Vitamin B12, 30.00mcg Biotin, and 5.50mg Pantothenic Acid. Compared with Stress B with Zinc, it reduces recurring cost while keeping the formula nutritionally relevant; however, inactive ingredients and complete use directions are not included in the supplied data.</p>
73 Value

B-50 Gels

Carlson
<p>A practical quality-to-cost balance combines Niacin, Thiamin, Riboflavin coverage with 50.00mg Thiamine as Thiamine Mononitrate, 50.00mg Riboflavin as Vitamin B2, and 50.00mg Niacin as Niacinamide. Compared with Stress B with Zinc, the ingredient depth is favorable for the serving cost; however, the substantial vitamin B6 amount may be unsuitable for long-term stacking.</p>
75 Value

Thyroid Essentials

Swanson
<p>A practical quality-to-cost balance combines Thiamin, Riboflavin, Vitamin B5 coverage with 2.00mg Copper as Copper Gluconate, 25.00mg Riboflavin as Vitamin B2, 25.00mg Zinc as Zinc Oxide, 25.00mg Thiamine as Vitamin B1, 25.00mg NE Niacin as Niacinamide, 25.00mg Vitamin B6 as Pyridoxine Hydrochloride, 40.00mcg DFE Folate, 25.00mcg Vitamin B12 as Cyanocobalamin, 25.00mg Pantothenic Acid as Calcium Pantothenate, 100.00mcg Iodine as Kelp, 25.00mg Magnesium as Magnesium Oxide, 50.00mcg Selenium as Selenomethionine, 150.00mg L-Tyrosine, 50.00mg Coleus forskohlii as Forskolin, and 25.00mg Thiamine as Thiamine Mononitrate. Compared with Stress B with Zinc, the ingredient depth is favorable for the serving cost; however, inactive ingredients and complete use directions are not included in the supplied data.</p>
75 Value

B-Complex with Vitamin C Stress Formula

Solgar
<p>A practical quality-to-cost balance combines Vitamin C, Niacin, Thiamin coverage with 100.00mg Niacin as Niacinamide, 100.00mg Pantothenic Acid as D-Calcium Pantothenate, 10.00mg Thiamine as Thiamine Mononitrate, 500.00mg Vitamin C as L-Ascorbic Acid, 10.00mg Thiamine as Vitamin B1, 10.00mg Riboflavin as Vitamin B2, 100.00mg Inositol, 13.00mg Herbal Powdered Blend, 100.00mg Niacin as Vitamin B3, 10.00mg Vitamin B6 as Pyridoxine Hydrochloride, 166.00mcg DFE Folate, 25.00mcg Vitamin B12 as Cyanocobalamin, 25.00mcg Biotin as D-Biotin, 100.00mg Pantothenic Acid as Vitamin B5, and 41.00mg Choline as Choline Bitartrate. Compared with Stress B with Zinc, the ingredient depth is favorable for the serving cost; however, some blended ingredients lack individual amounts, which limits a complete comparison.</p>
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. Effects of delta-tocotrienol supplementation on Glycemic Control, oxidative stress, inflammatory biomarkers and miRNA expression in type 2 diabetes mellitus: A randomized control trial.
    Mahjabeen W; Khan DA; Mirza SA; Pervez MA · Phytotherapy research : PTR · 2021
    Randomized trial110 participantsAnti-Inflammatory Support forVitamin E
  7. Effect of vitamin E supplementation on serum C-reactive protein level: a meta-analysis of randomized controlled trials.
    Saboori S; Shab-Bidar S; Speakman JR; Yousefi Rad E; Djafarian K · European journal of clinical nutrition · 2016
    Meta-analysis495 participants12 studies pooledAnti-Inflammatory Support forVitamin E
  8. Efficacy of Nutritional Interventions on Inflammatory Markers in Haemodialysis Patients: A Systematic Review and Limited Meta-Analysis.
    Khor BH; Narayanan SS; Sahathevan S; Gafor AHA; Daud ZAM; Khosla P; Sabatino A; Fiaccadori E; Chinna K; Karupaiah T · Nutrients · 2018
    Meta-analysis46 studies pooledAnti-Inflammatory Support forVitamin E
  9. Vitamin E improves serum markers and histology in adults with metabolic dysfunction-associated steatotic liver disease: Systematic review and meta-analysis.
    Chee NM; Sinnanaidu RP; Chan WK · Journal of gastroenterology and hepatology · 2024
    Meta-analysis8 studies pooledAnti-Inflammatory Support forVitamin E
  10. Delta-tocotrienol supplementation improves biochemical markers of hepatocellular injury and steatosis in patients with nonalcoholic fatty liver disease: A randomized, placebo-controlled trial.
    Pervez MA; Khan DA; Slehria AUR; Ijaz A · Complementary therapies in medicine · 2021
    Randomized trial71 participantsAnti-Inflammatory Support forVitamin E
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  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. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
    Patel MN; Maheshvari J; Patel N · Cureus · 2025
    Randomized trial105 participantsHair Health Nail Health forBiotin
  27. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsHair Health forBiotin
  28. Vitamins A, B, C, and D: A Short Review for the Dermatologist.
    Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
    Narrative reviewHair Health forBiotin
  29. The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
    Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
    Narrative reviewHair Health forBiotin
  30. Menkes disease and response to copper histidine: An Indian case series.
    Yoganathan S; Sudhakar SV; Arunachal G; Thomas M; Subramanian A; George R; Danda S · Annals of Indian Academy of Neurology · 2022
    Case series4 participantsHair Health forCopper
  31. Trace element levels in alopecia areata.
    Bhat YJ; Manzoor S; Khan AR; Qayoom S · Indian journal of dermatology, venereology and leprology · 2009
    Case-control study100 participantsHair Health forCopper
  32. UV damage to hair and the effect of antioxidants and metal chelators.
    Millington KR; Marsh JM · International journal of cosmetic science · 2021
    In vitro / ex vivo studyHair Health forCopper
  33. Preserving fibre health: reducing oxidative stress throughout the life of the hair fibre.
    Marsh JM; Davis MG; Lucas RL; Reilman R; Styczynski PB; Li C; Mamak M; McComb DW; Williams RE; Godfrey S; Navqi KR; Chechik V · International journal of cosmetic science · 2016
    In vitro / ex vivo studyHair Health forCopper
  34. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
    Zhang W; Fan M; Wang C; Mahawar K; Parmar C; Chen W; Yang W; Global Bariatric Research Collaborative · Obesity surgery · 2021
    Meta-analysis2,538 participants18 studies pooledHair Health forFolate
  35. Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
    Al-Fawaeir S; Al-Odat I · Diseases (Basel, Switzerland) · 2025
    Case-control study200 participantsHair Health forFolate
  36. Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
    Saini A; Norman AR; Cunningham D; Chau I; Hill M; Tait D; Hickish T; Iveson T; Lofts F; Jodrell D; Ross PJ; Oates J · British journal of cancer · 2003
    Randomized trialHair Health forFolate
  37. Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
    Jonker D; Rumble RB; Maroun J; Gastrointestinal Cancer Disease Site Groupof Cancer Care Ontario’s Program in Evidence-Based Care · Current oncology (Toronto, Ont.) · 2012
    Randomized trialHair Health forFolate
  38. Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
    Nolè F; de Braud F; Aapro M; Minchella I; De Pas TM; Zampino MG; Monti S; Andreoni G; Goldhirsch A · Annals of oncology : official journal of the European Society for Medical Oncology · 1997
    Randomized trialHair Health forFolate
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. Effects of tocotrienol supplementation on hair growth in human volunteers.
    Beoy LA; Woei WJ; Hay YK · Tropical life sciences research · 2014
    Randomized trial38 participantsHair Health forVitamin E
  45. Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis.
    Zhou L; Zhu W; Chen Y · Frontiers in nutrition · 2026
    Meta-analysis1,658 participants19 studies pooledHair Health forVitamin E
  46. Evaluation of the Safety and Effectiveness of Nutritional Supplements for Treating Hair Loss: A Systematic Review.
    Drake L; Reyes-Hadsall S; Martinez J; Heinrich C; Huang K; Mostaghimi A · JAMA dermatology · 2023
    Systematic review30 studies pooledHair Health forVitamin E
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. Biotin for the treatment of nail disease: what is the evidence?
    Lipner SR; Scher RK · The Journal of dermatological treatment · 2018
    Narrative reviewNail Health forBiotin
  63. Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy.
    Colombo VE; Gerber F; Bronhofer M; Floersheim GL · Journal of the American Academy of Dermatology · 1991
    Other32 participantsNail Health forBiotin
  64. Treatment of brittle nail with a hydroxypropyl chitosan-based lacquer, alone or in combination with oral biotin: A randomized, assessor-blinded trial.
    Chiavetta A; Mazzurco S; Secolo MP; Tomarchio G; Milani M · Dermatologic therapy · 2020
    Randomized trial50 participantsNail Health forBiotin
  65. 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 forBiotin Nail Health forZinc
  66. 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
  67. Noninferiority of Copper Dressings Than Negative Pressure Wound Therapy in Healing Diabetic Wounds: A Randomized Clinical Trial.
    Melamed E; Dabbah J; Israel T; Kan I; Pinzur MS; Roth T; Borkow G · Advances in wound care · 2026
    Randomized trialSkin Health forCopper
  68. Improvement of facial skin characteristics using copper oxide containing pillowcases: a double-blind, placebo-controlled, parallel, randomized study.
    Borkow G; Gabbay J; Lyakhovitsky A; Huszar M · International journal of cosmetic science · 2010
    Randomized trial57 participantsSkin Health forCopper
  69. Radially Electrospun Fibrous Membrane Incorporated with Copper Peroxide Nanodots Capable of Self-Catalyzed Chemodynamic Therapy for Angiogenesis and Healing Acceleration of Diabetic Wounds.
    Huang Y; Qi L; Liu Z; Jiang Y; Wang J; Liu L; Li Y; Zhang L; Feng G · ACS applied materials & interfaces · 2023
    Animal experimentSkin Health forCopper
  70. Engineering copper nanoparticle/polysaccharide-immobilized cotton gauze for accelerated healing of Staphylococcus aureus-infected dermal wounds.
    Sahoo M; Banerjee T; Virkar S; Das S; Biswas S; Mitra D · Journal of materials chemistry. B · 2026
    Animal experimentSkin Health forCopper
  71. Stimulation of Healing of Non-Infected Stagnated Diabetic Wounds by Copper Oxide-Impregnated Wound Dressings.
    Melamed E; Rovitsky A; Roth T; Assa L; Borkow G · Medicina (Kaunas, Lithuania) · 2021
    Single-arm trialSkin Health forCopper
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. Randomized controlled trial using vitamins E and D supplementation in atopic dermatitis.
    Javanbakht MH; Keshavarz SA; Djalali M; Siassi F; Eshraghian MR; Firooz A; Seirafi H; Ehsani AH; Chamari M; Mirshafiey A · The Journal of dermatological treatment · 2011
    Randomized trial45 participantsSkin Health forVitamin E
  78. Serum vitamin E levels and chronic inflammatory skin diseases: A systematic review and meta-analysis.
    Liu X; Yang G; Luo M; Lan Q; Shi X; Deng H; Wang N; Xu X; Zhang C · PloS one · 2022
    Meta-analysis20 studies pooledSkin Health forVitamin E
  79. 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 forVitamin E Skin Health forZinc
  80. Effects of tocotrienol on aging skin: A systematic review.
    Ghazali NI; Mohd Rais RZ; Makpol S; Chin KY; Yap WN; Goon JA · Frontiers in pharmacology · 2022
    Systematic reviewSkin Health forVitamin E
  81. Carotenoids and carotenoids plus vitamin E protect against ultraviolet light-induced erythema in humans.
    Stahl W; Heinrich U; Jungmann H; Sies H; Tronnier H · The American journal of clinical nutrition · 2000
    Randomized trialSkin Health forVitamin E
  82. 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
  83. 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
  84. 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
  85. 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
  86. 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
  87. 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
  88. 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
  89. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  90. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  91. What did we learn in 35 years of research on nutrition and supplements for age-related macular degeneration: a systematic review.
    Pameijer EM; Heus P; Damen JAA; Spijker R; Hooft L; Ringens PJ; Imhof SM; van Leeuwen R · Acta ophthalmologica · 2023
    Systematic review27 studies pooledVision Support forCopper
  92. Dietary Nutrient Intake and Progression to Late Age-Related Macular Degeneration in the Age-Related Eye Disease Studies 1 and 2.
    Agrón E; Mares J; Clemons TE; Swaroop A; Chew EY; Keenan TDL; AREDS and AREDS2 Research Groups · Ophthalmology · 2021
    Cohort study8,242 participantsVision Support forCopper
  93. Association between late age-related macular degeneration and dietary intake of copper, iron, zinc and selenium: a 2005-2008 NHANES cross-sectional observational study.
    Lu Y; Li C; Liu Y; Wu T; Lu P · BMC ophthalmology · 2025
    Observational study4,996 participantsVision Support forCopper
  94. Associations between dietary nutrient intake and the risk of multiple age-related ocular diseases: evidence from longitudinal analysis.
    Yang Y; Zou H · The journal of nutrition, health & aging · 2026
    Cohort study103,192 participantsVision Support forCopper
  95. Dietary habits and dietary nutrient intake in patients with age-related macular degeneration: A case-control study.
    Šalková Kráľová J; Kolář P; Kapounová Z; Veselý P; Derflerová Brázdová Z · Central European journal of public health · 2023
    Case-control study151 participantsVision Support forCopper
  96. 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
  97. 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
  98. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  99. 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 Vision Support forVitamin E
  100. 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
  101. Antioxidant vitamin and mineral supplements for preventing age-related macular degeneration.
    Evans JR; Lawrenson JG · The Cochrane database of systematic reviews · 2018
    Meta-analysis55,614 participants4 studies pooledVision Support forVitamin E
  102. Dietary carotenoids, vitamins C and E, and risk of cataract in women: a prospective study.
    Christen WG; Liu S; Glynn RJ; Gaziano JM; Buring JE · Archives of ophthalmology (Chicago, Ill. : 1960) · 2008
    Cohort study35,551 participantsVision Support forVitamin E
  103. Long-term nutrient intake and 5-year change in nuclear lens opacities.
    Jacques PF; Taylor A; Moeller S; Hankinson SE; Rogers G; Tung W; Ludovico J; Willett WC; Chylack LT · Archives of ophthalmology (Chicago, Ill. : 1960) · 2005
    Cohort study408 participantsVision Support forVitamin E
  104. Dietary intake of antioxidants and risk of age-related macular degeneration.
    van Leeuwen R; Boekhoorn S; Vingerling JR; Witteman JC; Klaver CC; Hofman A; de Jong PT · JAMA · 2005
    Cohort study4,765 participantsVision Support forVitamin E
  105. 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
  106. 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
  107. 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
  108. 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
  109. 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