Eye Health

Eye Health

NATURELO Premium Supplements4.5 (2,129 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 30 servings
Goals
$23.75 $0.79 per serving
AmazonLowest$23.75Vitacost$27.95iHerb$27.95Pure Formulas$27.95

About this product

Eye nutrition is the clearest reason to consider this formula. Lutein and zeaxanthin contribute to the eye's light-filtering pigment, while vitamins C and E, zinc and selenium provide nutritional support. That does not establish sharper everyday vision in someone whose nutrient intake is already adequate.

Mineral selection is a weakness: zinc oxide and copper oxide are less favorable choices for absorption. The vitamin C mixture has no stated proportions, and the omega-3 declaration does not resolve separate EPA and DHA amounts. Those details make comparison with more clearly described formulas harder.

The 50 mg zinc serving exceeds the adult upper limit, so sustained daily use deserves professional guidance even though copper is included. The cost is also relatively high for several individual nutrient contributions. It fits someone seeking an eye-focused combination who has a reason for its nutrient amounts and understands those trade-offs.

Who is it for
  • Adults seeking an eye-focused nutrient combination
  • People with a specific reason for additional eye-related nutrition
Best for
  • Supporting the eye's light-filtering pigment
  • Filling relevant nutrient gaps

Pros

  • Lutein and zeaxanthin provide a clear eye-focused purpose
  • Vitamin C, zinc and selenium contribute to normal nutritional needs
  • Copper is quantified alongside the zinc

Cons

  • Zinc oxide and copper oxide are less favorable for absorption
  • Separate EPA and DHA amounts are unresolved
  • Vitamin C source proportions are undisclosed
  • Relatively high cost for several nutrient contributions

Warnings

  • The 50 mg zinc serving exceeds the adult upper limit; sustained daily use needs professional guidance, and the included copper does not remove that concern.

Product analysis

52 out of 100

Eye Health provides lutein for the eye pigment that helps filter blue light. Its zinc and copper forms are less favorable for absorption, weakening ingredient quality.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality31

Zinc and copper use forms with less favorable absorption characteristics, while much of the remaining ingredient quality is uncertain. Several plant preparations and the omega-3 mixture also lack enough detail for a confident comparison.

Ingredient Transparency71

Ingredient amounts and most forms are disclosed, but some plant preparations and mixture proportions are unclear. Those omissions make the full composition harder to compare.

Value For Money34

Several ingredients, including vitamin C and astaxanthin, are relatively expensive at the full product price. Value for the eye-focused lutein and zeaxanthin remains uncertain.

Customer Satisfaction80

Customer ratings are generally positive across thousands of buyers. That provides a broad satisfaction picture without proving improved vision or another health benefit.

Product Focus65

The clearest eye-related role comes from lutein’s contribution to the pigment that filters blue light. The broad nutrient and plant combination extends into several other uses, where benefits are often nutritional or conditional.

Format
Capsule
Container
60 Capsule(s)
Per serving
$0.79
Customer rating
4.5 · 2,129 ratings
Report analysis

Goals

Eye Health
Macular Defense
Eye Health
Impact
Highest effect
C Ingredient FitA PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 50 mgVitamin E · 268 mgVitamin C · 500 mgCopper · 2 mgAstaxanthin · 2 mg

Declared lutein contributes to macular pigment, which filters blue light and has a limited connection to visual performance. Zinc, vitamin c, vitamin e have nutritional or antioxidant roles, but their eye-disease evidence concerns defined combinations in selected AMD populations, not routine visual improvement.

How this product is rated for Eye Health

Ingredient fit63

Several declared amounts provide only partial coverage of the saved comparisons, limiting their attributed contribution.
Goal fit
The relevant ingredients form part of a broader formula with several other purposes, limiting its concentration on vision.
Dose adequacy
Several declared amounts provide only partial coverage of the saved comparisons, limiting their attributed contribution.

Pathways93

The strongest identified connection concerns macular pigment and blue-light filtering.
Depth
The strongest identified connection concerns macular pigment and blue-light filtering.
Breadth
The identified connections cover macular pigment and blue-light filtering, antioxidant protection in the retina and lens, light-sensitive cell structure and the visual cycle.

Evidence100

lutein leads the saved evidence findings, while the supplied context limits what can be claimed for routine vision.
Evidence strength
lutein leads the saved evidence findings, while the supplied context limits what can be claimed for routine vision.
Studied preparation
The evaluated preparations meet the supplied preparation comparison; study population and outcome limitations still apply.

Formulation logic100

The evaluated ingredients have no unmet partner requirement in the supplied findings.
Partner coverage
The evaluated ingredients have no unmet partner requirement in the supplied findings.
Conflicts
No configured ingredient conflict was identified.
Effective doses
The evaluated ingredients meet the saved minimum amount comparison; this is not a proven threshold for visual benefit.
Study evidence
Copper Supportive 7 studies
Lycopene Supportive 5 studies
Selenium Supportive 15 studies
Vitamin C Disputed 24 studies
Vitamin E Disputed 35 studies
Zinc Supportive 39 studies
Inflammation
Antioxidants
Inflammation
Impact
High effect
C- Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Vitamin E · 268 mgAstaxanthin · 2 mgVitamin C · 500 mg

Zinc can help address inflammation associated with low zinc intake. Vitamin C findings were limited to an elevated-CRP subgroup, and normal antioxidant activity from selenium or vitamin E does not establish added clinical benefit.

How this product is rated for Inflammation

Ingredient fit57

The formula includes relevant nutrients alongside broader ingredients. Unresolved declarations and small amounts limit how closely some ingredients match the supplied comparisons.
Goal fit
Relevant ingredients are part of a broader formula, so the product has a wider focus than inflammation support.
Dose adequacy
Declared amounts only partly match the supplied comparisons; unresolved active quantities cannot establish adequacy.

Pathways60

The strongest assigned route concerns oxidative and mitochondrial stress; antioxidant activity alone does not establish clinical inflammation relief.
Depth
The strongest assigned route concerns oxidative and mitochondrial stress; antioxidant activity alone does not establish clinical inflammation relief.
Breadth
Only one assigned route reaches the supplied coverage criterion, leaving limited breadth.

Evidence96

Vitamin E leads the saved evidence finding, but its antioxidant role does not establish routine clinical anti-inflammatory benefit.
Evidence strength
Vitamin E leads the saved evidence finding, but its antioxidant role does not establish routine clinical anti-inflammatory benefit.
Studied preparation
The supplied comparison accepts the relevant preparations; this does not establish equivalence of every formulation or a matching daily regimen.

Formulation logic100

No listed conflict or missing required partner is identified. Amount comparisons do not demonstrate an added benefit from combining ingredients.
Partner coverage
No required partner is missing among the recognized ingredients; this does not establish synergy.
Conflicts
No listed conflict is triggered by the supplied ingredient and amount facts.
Effective doses
All recognized ingredients meet the minimum amount comparison, which is not a proven biological threshold.
Study evidence
Fish Oil Supportive 68 studies
Lycopene Supportive 15 studies
Selenium Supportive 34 studies
Vitamin C Supportive 50 studies
Vitamin E Supportive 20 studies
Zinc Supportive 64 studies
Immunity
Immunity
Impact
High effect
C- Ingredient FitA PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 500 mgZinc · 50 mgOmega-3 · 100 mgSelenium · 55 mcg

Zinc supports normal immune-cell function; the supplied evidence does not extend acute lozenge findings to routine use of this serving. Vitamin C contributes to immune nutrition and has modest support for shorter colds with regular use, rather than general infection prevention. Copper and Selenium support normal immune nutrition, with additional benefit mainly relevant when intake is low.

How this product is rated for Immunity

Ingredient fit56

Copper, Zinc, Selenium and Vitamin C account for the main immune connection. Amounts and the wider formula limit how fully that connection is represented.
Goal fit
Relevant immune nutrients sit within a broader formula, so immunity is only part of its focus.
Dose adequacy
The amounts provide partial coverage of the saved comparisons; this is not a measure of the chance of benefit.

Pathways95

The strongest saved connection is lymphocyte function and immune regulation. Other covered areas follow the supplied nutrient and amount findings.
Depth
The strongest saved connection is lymphocyte function and immune regulation, rather than a prediction of resistance to infection.
Breadth
The main covered areas are innate immune cell activity, lymphocyte function and immune regulation, oxidative and inflammatory balance. These describe the saved findings, not proven combined clinical effects.

Evidence100

Vitamin C provides the clearest evidence connection. The evidence supports the described roles, without establishing general infection prevention.
Evidence strength
Vitamin C provides the leading evidence connection here, within the supplied limits on normal nutrition and respiratory outcomes.
Studied preparation
The counted preparations match the saved comparisons; that does not imply superior forms or infection prevention.

Formulation logic100

The counted ingredients have no unmet partner requirement or configured conflict. Their amounts meet the saved minimum comparison.
Partner coverage
The counted ingredients have no unmet partner requirement in the supplied findings.
Conflicts
No configured ingredient conflict was identified. This finding does not assess every aspect of suitability.
Effective doses
All counted ingredients meet the saved minimum amount comparison; this is not proof of an effective clinical regimen.
Study evidence
Omega-3 Supportive 24 studies
Selenium Mixed 37 studies
Vitamin C Supportive 53 studies
Vitamin E Supportive 21 studies
Zinc Supportive 73 studies
Skin Health
Skin Health
Impact
High effect
C+ Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 50 mgVitamin C · 500 mgCopper · 2 mgSelenium · 55 mcgAstaxanthin · 2 mgLycopene · 1 mgVitamin E · 268 mgOmega-3 · 100 mg

Lutein and zeaxanthin have limited evidence for selected skin-tone, hydration and UV-response outcomes in small studies. The separate 10 mg lutein declaration is comparable to a studied daily amount, while the much smaller astaxanthin and lycopene amounts limit their connection to the described trials. Vitamin C supports collagen and zinc supports repair when intake is low, without established extra benefit when intake is adequate. These UV-related findings do not imply sunscreen-equivalent protection.

How this product is rated for Skin Health

Ingredient fit69

Relevant ingredients share this formula with actives aimed at other purposes. The relevant amounts only partially match the recorded exposure comparison, with unresolved amounts contributing nothing to that comparison.
Goal fit
Relevant ingredients share this formula with actives aimed at other purposes.
Dose adequacy
The relevant amounts only partially match the recorded exposure comparison, with unresolved amounts contributing nothing to that comparison.

Pathways60

The strongest recorded connection concerns uv antioxidant defence; this describes the ingredient connection, not a demonstrated cosmetic result.
Depth
The strongest recorded connection concerns uv antioxidant defence; this describes the ingredient connection, not a demonstrated cosmetic result.
Breadth
The recorded connection is concentrated in uv antioxidant defence, with limited coverage of other tracked skin functions.

Evidence100

Vitamin C’s role in collagen and deficiency-related healing is established; extra cosmetic benefit in adequately nourished adults is not.
Evidence strength
Vitamin C’s role in collagen and deficiency-related healing is established; extra cosmetic benefit in adequately nourished adults is not.
Studied preparation
The recorded preparation comparison is satisfied, but preparation-specific study findings do not automatically transfer to every ingredient or finished product.

Formulation logic100

No required partner was missing and no defined conflict was identified. The relevant amounts meet the recorded minimum comparison; this is not proof of a clinically effective skin dose.
Partner coverage
No required partner was missing in the recorded findings; this does not establish an added combination benefit.
Conflicts
No defined ingredient conflict was identified in the supplied findings.
Effective doses
The relevant amounts meet the recorded minimum comparison; this is not proof of a clinically effective skin dose.
Study evidence
Copper Supportive 16 studies
Lycopene Supportive 20 studies
Omega-3 Supportive 35 studies
Selenium Supportive 22 studies
Vitamin C Supportive 53 studies
Vitamin E Supportive 38 studies
Zinc Supportive 66 studies
Everyday Health
Everyday Health
Impact
Moderate effect
D Ingredient FitC PathwaysB+ EvidenceA+ Formulation Logic
Selenium · 55 mcgZinc · 50 mgVitamin C · 500 mg

Vitamin C, zinc and selenium contribute to essential nutrient intake, alongside vitamin E and copper as nutritional partners. Their role here is helping meet dietary needs; larger amounts do not imply better everyday health when intake is already adequate.

How this product is rated for Everyday Health

Ingredient fit45

The ingredients span several purposes, with only part of the selection focused on the reviewed everyday-health nutrients. The assessed amounts provide partial alignment with the saved nutrient comparisons.
Goal fit
The ingredients span several purposes, with only part of the selection focused on the reviewed everyday-health nutrients.
Dose adequacy
The assessed amounts provide partial alignment with the saved nutrient comparisons.

Pathways60

The strongest saved coverage relates to antioxidant and immune defence. One reviewed mechanism reaches the saved coverage threshold.
Depth
The strongest saved coverage relates to antioxidant and immune defence.
Breadth
One reviewed mechanism reaches the saved coverage threshold.

Evidence82

Selenium provides the strongest saved ingredient finding, with benefits limited to the supplied nutritional context. The qualifying preparations match the saved reviewed comparisons.
Evidence strength
Selenium provides the strongest saved ingredient finding, with benefits limited to the supplied nutritional context.
Studied preparation
The qualifying preparations match the saved reviewed comparisons.

Formulation logic100

No missing required nutrient partner was identified. No configured ingredient conflict was identified in the saved findings. All ingredients assessed for amounts reach the saved minimum comparison level.
Partner coverage
No missing required nutrient partner was identified.
Conflicts
No configured ingredient conflict was identified in the saved findings.
Effective doses
All ingredients assessed for amounts reach the saved minimum comparison level.
Study evidence
Selenium Supportive 70 studies
Vitamin C Supportive 56 studies
Zinc Supportive 60 studies

Ingredients

IngredientAmount per servingScore
Vitamin C (L-Ascorbate, organic Acerola Cherry extract)
 500 mg 49
Vitamin E (D-Alpha-Tocopheryl Acetate)
 268 mg
Zinc (Zinc Oxide)
 50 mg 44
Selenium (L-Selenomethionine)
 55 mcg
Copper (Cupric Oxide)
 2 mg 52
Omega-3 Fatty Acid (Docosahexaenoic Acid, Eicosapentaenoic Acid)
 100 mg 20
Carrot powder
75 mg
Eyebright
30 mg
Goji berry powder
20 mg
Lutein (Marigold)
 20 mg
Grape Seed Extract
15 mg
Zeaxanthin (Marigold)
 2 mg
Astaxanthin (Algae)
 2 mg 39
Lycopene (Tomato)
 1 mg 70
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Vitamin C (L-Ascorbate, organic Acerola Cherry extract) · 500 mg OverallScore49
F Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyF Value
Each serving provides 500 mg of vitamin C, with L-ascorbate identified among its sources. The remaining source details and individual proportions are not established in the saved facts.
How this ingredient is rated

Active Ingredient Quality & Bioavailability30

L-ascorbate is identified among the sources, but the saved facts do not fully resolve the source composition or proportions.
Vitamin C Chemical Form & Delivery System
L-ascorbate is identified among the sources, but the remaining source and proportions are unresolved in the saved facts.
Gastric Comfort & pH Balance
The saved facts do not establish buffering or a stomach-friendly claim, so digestive comfort cannot be assessed from them.

Dose, Safety & Label Transparency83

The serving supplies 500 mg of vitamin C; L-ascorbate is identified among the sources, but the rest is unresolved. The available other-ingredient panel did not flag the evaluated additives.
Optimal Dosage Targeting
Each serving supplies 500 mg of vitamin C.
Purity & Excipient Quality
No artificial colors, preservatives or evaluated sweeteners were flagged in the available other-ingredient panel.
Mineral & Source Transparency
The 500 mg vitamin C amount is known, but the saved facts do not fully resolve its sources or their proportions.

Value20

The whole-product cost is about $1.58 per 1,000 mg of vitamin C; it includes the other ingredients in the serving.
Price per Gram of Vitamin C
The whole-product cost is about $1.58 per 1,000 mg of vitamin C; it includes the other ingredients in the serving.
View ingredientView products
Astaxanthin (Algae) · 2 mg OverallScore39
F Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyF Value
The serving provides 2 mg astaxanthin, a moderate amount in this comparison. Based on the whole-product price, the cost is about $0.40 per mg of astaxanthin.
How this ingredient is rated

Active Ingredient Quality & Bioavailability18

The saved facts do not establish a named astaxanthin source or a specialized liposomal or water-dispersible form.
Biological Source Quality
The saved facts do not establish the astaxanthin source, so its source quality cannot be compared.
Formulation Technology
The saved facts do not establish a liposomal or water-dispersible formulation.
Branded Ingredient Standard
The saved facts do not establish a named algal source or a qualifying branded astaxanthin ingredient.

Dose, Safety & Label Transparency69

The active amount is recorded as 2 mg per serving. Packaging protection from light remains unverified.
Clinical Potency per Serving
Each serving provides 2 mg astaxanthin, a moderate amount in this comparison.
Active Astaxanthin Yield Transparency
The active astaxanthin amount is recorded as 2 mg per serving.
Ingredient Stability & Packaging
The saved facts do not establish whether the packaging protects astaxanthin from light.

Value20

Based on the whole-product price, the cost is about $0.40 per mg of astaxanthin, a relatively high cost in this comparison.
Price per Milligram of Active Astaxanthin
Based on the whole-product price, the cost is about $0.40 per mg of astaxanthin, a relatively high cost in this comparison.
View ingredientView products
Copper (Cupric Oxide) · 2 mg OverallScore52
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value
Cupric oxide is poorly absorbed, and a serving provides 2 mg of copper. Its zinc-to-copper ratio is 25:1, outside the balance favored in the evaluation.
How this ingredient is rated

Active Ingredient Quality & Bioavailability30

Cupric oxide is identified as the source and is poorly absorbed; the elemental amount is stated.
Copper Form Bioavailability
Cupric oxide is an inorganic form that is poorly absorbed.
Elemental Copper Labeling Clarity
The label states 2 mg of elemental copper and names its source.

Dose, Safety & Label Transparency85

The serving has 50 mg zinc and 2 mg copper, a zinc-to-copper ratio of 25:1, outside the balance favored in the evaluation.
Copper Dosage Safety & Efficacy
The selected serving provides 2 mg of elemental copper.
Zinc-to-Copper Balance
The serving has 50 mg zinc and 2 mg copper, a zinc-to-copper ratio of 25:1, outside the balance favored in the evaluation.

Value30

A whole-product serving costs about $0.79.
Price Per Serving Efficiency
The price is about $0.79 per whole-product serving.
View ingredientView products
80 Performance

PreserVision AREDS 2 Formula

Bausch & Lomb
A focused AREDS-style blend provides lutein, zeaxanthin, antioxidant vitamins, zinc, and copper with stronger documented alignment to vision support. High zinc and vitamin E amounts make it better suited to clinician-guided use for the intended population than casual daily supplementation.
80 Performance

Eye Health

Physician's Choice
Branded lutein and zeaxanthin, citrate minerals, bilberry, and standardized grape seed extract create a more coherent eye formula with better mineral forms. Black pepper extract may alter absorption of some medicines, and omega-3 fats and astaxanthin are absent.
75 Performance

Omega Pals Hooty Fuity Tangerine Flavor

Barlean's Seriously Delicious
A moderate omega-3 amount combines with lutein, zeaxanthin, astaxanthin, blueberry, and grape seed extracts for broader eye-focused coverage. The EPA and DHA breakdown and flavoring details are missing, and its child-oriented flavored format may not suit every adult.
74 Budget

Vitamin C 1000 mg with Zinc 45 mg

Nutricost
A much lower serving cost retains vitamin C and zinc in a simple formula. It lacks lutein, zeaxanthin, omega-3 fats, astaxanthin, and copper, while the zinc amount exceeds the adult daily upper limit and is unsuitable for routine long-term use.
77 Budget

Vitamin C + D3 & Zinc

NutriBiotic Immunity
Low serving cost and a focused vitamin C, vitamin D3, and zinc combination make it economical for immune support. It is not a close vision substitute, and the vitamin D amount exceeds the adult daily upper limit while zinc reaches that limit.
78 Budget

Zinc Copper Amino Acid Chelate with Kelp & Pumpkin Seed

Solaray
Economical chelated zinc and copper use more favorable mineral forms than the original's oxides. The zinc amount exceeds the adult upper limit and the formula omits carotenoids, antioxidants, and omega-3 fats, so routine eye-support use is poorly matched.
79 Value

Healthy Eyes Lutein & Zeaxanthin

21st Century
Lutein, zeaxanthin, antioxidant vitamins, zinc, and copper provide coherent eye support at a much lower serving cost. The oxide minerals are poorly absorbed and the carotenoid source split is unclear, but the formula avoids the original's excessive zinc amount.
84 Value

Zinc-Copper Balance

AOR Advanced Orthomolecular Research Premium
Favorable citrate and picolinate forms provide better-balanced zinc and copper at strong serving value. It does not replace the original's carotenoids, antioxidants, or omega-3 fats, so it is useful only when mineral balance is the main concern.
83 Value

Zinc 30 mg

Nature's Life
Zinc picolinate with copper offers economical mineral support using better-absorbed forms than the original's oxides. Repeated copper entries make the total unclear, prolonged zinc use can still impair copper balance, and the formula lacks direct carotenoid eye support.
Report alternatives

Sources

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

  1. Associations of selenium status with all-cause and cause-specific mortality: a systematic review and meta-analysis of cohort studies.
    Cui Z; Xie R; Lu X; Schomburg L; Brenner H; Schöttker B · Redox biology · 2025
    Meta-analysis95 participants20 studies pooledEveryday Health forSelenium
  2. Dietary Antioxidants, Circulating Antioxidant Concentrations, Total Antioxidant Capacity, and Risk of All-Cause Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Observational Studies.
    Jayedi A; Rashidy-Pour A; Parohan M; Zargar MS; Shab-Bidar S · Advances in nutrition (Bethesda, Md.) · 2019
    Meta-analysis507,251 participants41 studies pooledEveryday Health forSelenium
  3. The efficacy and safety of selenium supplementation versus placebo in the treatment of Graves' orbitopathy: A systematic review and meta-analysis of randomised controlled trials.
    Sharabati I; Qafesha RM; Hindawi MD; Amro S; Ayesh BM · Clinical endocrinology · 2024
    Meta-analysis4 studies pooledEveryday Health Eye Health forSelenium
  4. Associations of plasma metal concentrations with the risks of all-cause and cardiovascular disease mortality in Chinese adults.
    Shi L; Yuan Y; Xiao Y; Long P; Li W; Yu Y; Liu Y; Liu K; Wang H; Zhou L; Yang H; Li X; He M; Wu T · Environment international · 2021
    Cohort study6,155 participantsEveryday Health forSelenium
  5. Updates on clinical studies of selenium supplementation in radiotherapy.
    Puspitasari IM; Abdulah R; Yamazaki C; Kameo S; Nakano T; Koyama H · Radiation oncology (London, England) · 2015
    Systematic review16 studies pooledEveryday Health forSelenium
  6. 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 pooledEveryday Health forVitamin C
  7. 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 / consensusEveryday Health forVitamin C
  8. 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 participantsEveryday Health forVitamin C
  9. 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 participantsEveryday Health forVitamin C
  10. 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 participantsEveryday Health forVitamin C
  11. 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 participantsEveryday Health forZinc
  12. 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 participantsEveryday Health forZinc
  13. 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 participantsEveryday Health forZinc
  14. 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 participantsEveryday Health forZinc
  15. 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 participantsEveryday Health forZinc
  16. Benefits and Safety of Astaxanthin in the Treatment of Mild-To-Moderate Dry Eye Disease.
    Tian L; Wen Y; Li S; Zhang P; Wang Y; Wang J; Cao K; Du L; Wang N; Jie Y · Frontiers in nutrition · 2022
    Single-arm trial60 participantsEye Health forAstaxanthin
  17. Astaxanthin (AstaReal®) Improved Acute and Chronic Digital Eye Strain in Children: A Randomized Double-Blind Placebo-Controlled Trial.
    Hecht KA; Marwah M; Wood V; Nishida Y; Bach AE; Gerson J; Hom MM; Schnackenberg J; Raote S; Srivastava S; Negi P; Caston E · Advances in therapy · 2025
    Randomized trial64 participantsEye Health forAstaxanthin
  18. Effects of diet containing astaxanthin on visual function in healthy individuals: a randomized, double-blind, placebo-controlled, parallel study.
    Sekikawa T; Kizawa Y; Li Y; Miura N · Journal of clinical biochemistry and nutrition · 2023
    Randomized trial60 participantsEye Health forAstaxanthin
  19. Astaxanthin, cell membrane nutrient with diverse clinical benefits and anti-aging potential.
    Kidd P · Alternative medicine review : a journal of clinical therapeutic · 2012
    Narrative reviewEye Health forAstaxanthin
  20. Nutritional Supplementation for Myopia Prevention and Control: A Systematic Review of Randomized Controlled Trials.
    Martinez-Perez C; Oliveira AP · Nutrients · 2026
    Systematic review9 studies pooledEye Health forAstaxanthin