Healthy Eyes Extra

Healthy Eyes Extra

21st Century4.7 (5,702 ratings)
Format:Tablet Quantity: 36 Tablet(s) · 36 servings
Goals
$5.49 $0.15 per serving

About this product

The formula mainly supplies nutrients for normal eye function and broader nutritional needs. Its 2 mg lutein amount is small relative to the relevant daily exposures in the available findings, so it has limited appeal for targeted vision support.

Vitamin C supports collagen formation, while zinc, selenium and copper have normal nutritional roles. Zinc oxide and cupric oxide are weaknesses in mineral form choice, and the unspecified niacin form makes its effects and tolerance harder to judge. The 107 mg calcium amount also contributes little toward a targeted bone supplement.

The low serving cost helps value, but it does not resolve the formula's limits for eye outcomes. The 40 mg zinc serving reaches the adult upper intake level, even though 2 mg copper is also listed. The ingredient mix does not establish that the formula reproduces a defined eye-care regimen or improves routine vision in well-nourished adults.

Who is it for
  • Adults seeking modest-cost nutritional support who have checked their total zinc intake
Best for
  • Supplying vitamin C and several minerals when dietary intake is low

Pros

  • States both zinc and copper amounts
  • Provides vitamin C for normal collagen formation
  • Low serving cost supports value for basic nutrient coverage

Cons

  • Lutein amount is small for targeted eye support
  • Zinc oxide and cupric oxide are less favorable mineral choices
  • Niacin form is not identified
  • Small calcium contribution limits bone-focused use

Warnings

  • The 40 mg zinc serving reaches the adult upper intake level before food or other supplements are counted; avoid casually combining it with additional zinc.
  • The 40 mg niacin amount has no identified chemical form, so flush-related tolerance cannot be judged reliably from the supplied details.

Product analysis

58 out of 100

Healthy Eyes Extra supplies nutrients that can help when low intake affects normal immune, skin or eye functions. The combination does not establish sharper everyday vision or equivalence to the specific clinical eye-health regimen.

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

Nutrient Quality26

The zinc, selenium and copper forms are less favorable choices for form quality, while several other ingredients remain uncertain. The unspecified lutein and glutathione forms further limit comparison.

Ingredient Transparency75

Amounts and most forms are identified, but two forms and the calcium mixture proportions are unspecified. That leaves part of the formula unclear for detailed comparison.

Value For Money52

Some mineral serving costs are favorable, while selenium and niacin offer weaker value. Several other ingredients remain uncertain, leaving the price picture mixed.

Customer Satisfaction89

Customer ratings are very positive across thousands of reviews. That provides a broad picture of satisfaction without establishing improved vision.

Product Focus74

The clearest roles involve nutrient shortfalls rather than routine vision enhancement. The lutein amount is below the reviewed trial exposures, so it makes little contribution to the proposed eye benefit.

Format
Tablet
Container
36 Tablet(s)
Per serving
$0.15
Customer rating
4.7 · 5,702 ratings
Report analysis

Goals

Immunity
Impact
Highest effect
C Ingredient FitA+ PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 300 mgZinc · 40 mgVitamin A · 300 mcgSelenium · 55 mcg
Study evidence
Selenium Mixed 37 studies
Vitamin A Supportive 107 studies
Vitamin C Supportive 53 studies
Vitamin E Supportive 21 studies
Zinc Supportive 73 studies
Impact
Highest effect
B- Ingredient FitB+ PathwaysA- EvidenceA+ Formulation Logic
Zinc · 40 mgVitamin E · 45 mgVitamin C · 300 mgCopper · 2 mgVitamin A · 300 mcg
Study evidence
Copper Supportive 7 studies
Riboflavin Supportive 69 studies
Selenium Supportive 15 studies
Vitamin A Supportive 65 studies
Vitamin C Disputed 24 studies
Vitamin E Disputed 35 studies
Zinc Supportive 39 studies
Everyday Health
Impact
Highest effect
B Ingredient FitB+ PathwaysB+ EvidenceA+ Formulation Logic
Selenium · 55 mcgZinc · 40 mgVitamin C · 300 mg
Study evidence
Selenium Supportive 70 studies
Vitamin C Supportive 56 studies
Zinc Supportive 60 studies
Skin Health
Impact
High effect
B- Ingredient FitC- PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 40 mgVitamin C · 300 mgCopper · 2 mgGluthathione · 5 mgSelenium · 55 mcgVitamin E · 45 mg
Study evidence
Copper Supportive 16 studies
Niacin Supportive 61 studies
Selenium Supportive 22 studies
Vitamin A Supportive 106 studies
Vitamin C Supportive 53 studies
Vitamin E Supportive 38 studies
Zinc Supportive 66 studies
Impact
High effect
C+ Ingredient FitD+ PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 40 mgVitamin C · 300 mg
Study evidence
Copper Adverse 4 studies
Niacin Disputed 2 studies
Selenium Disputed 7 studies
Vitamin A Disputed 13 studies
Vitamin E No effect 3 studies
Zinc Supportive 22 studies
Bone Health
Impact
High effect
C+ Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Calcium · 107 mgCopper · 2 mgManganese · 5 mgZinc · 40 mgVitamin C · 300 mg
Study evidence
Calcium Supportive 144 studies
Copper Disputed 20 studies
Manganese Adverse 12 studies
Vitamin A Adverse 56 studies
Vitamin C Supportive 46 studies
Zinc Supportive 33 studies

Ingredients

IngredientAmount per servingScore
Vitamin A (Beta-Carotene)
300 mcg
Vitamin C (Ascorbic Acid)
300 mg
Vitamin E (DL-Alpha-Tocopheryl Acetate)
45 mg
Riboflavin
3 mg
Niacin (Vitamin B3)
40 mg 35
Calcium (Calcium Carbonate, Dicalcium Phosphate)
107 mg
Zinc (Zinc Oxide)
40 mg 60
Selenium (Sodium Selenate)
55 mcg 47
Copper (Cupric Oxide)
2 mg 62
Manganese (Manganese Sulfate)
5 mg 76
L-Glutathione
5 mg
Lutein
2 mg
Gluten Free Adults 18–50
Report overview
D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
The serving provides 5 mg of manganese at a low cost per serving. It uses Manganese Sulfate.
How this ingredient is rated

Active Ingredient Quality & Bioavailability40

It uses Manganese Sulfate.
Manganese Chemical Form
It uses Manganese Sulfate.

Dose, Safety & Label Transparency100

The serving provides 5 mg of manganese.
Manganese Dosage Efficacy & Safety
The serving provides 5 mg of manganese.
Elemental Weight Disclosure
The manganese amount is listed as 5 mg per serving.

Value100

The cost per serving is low.
Price per Serving vs. Median
The cost per serving is low.
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB+ Value
Healthy Eyes Extra supplies 40 mg of zinc at a low cost per serving. It uses zinc oxide. It also contains 2 mg copper per serving.
How this ingredient is rated

Active Ingredient Quality & Bioavailability20

It uses zinc oxide.
Zinc Form Bioavailability
It uses zinc oxide.

Dose, Safety & Label Transparency91

The serving supplies 40 mg of zinc. The serving also has 2 mg copper, giving a zinc-to-copper ratio of 20:1.
Elemental Dose Transparency
The elemental zinc amount and source are stated.
Zinc Dosage Safety & Effectiveness
The serving supplies 40 mg of zinc.
Zinc-to-Copper Mineral Balance
The serving also has 2 mg copper, giving a zinc-to-copper ratio of 20:1.

Value80

The cost per serving is low.
Price Per Serving Efficiency
The cost per serving is low.
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value
The serving provides 2 mg of copper at a moderate cost per serving. It uses cupric oxide, which is poorly absorbed.
How this ingredient is rated

Active Ingredient Quality & Bioavailability30

It uses cupric oxide, which is poorly absorbed.
Copper Form Bioavailability
It uses cupric oxide, which is poorly absorbed.
Elemental Copper Labeling Clarity
The label states 2 mg of copper and names its source.

Dose, Safety & Label Transparency85

The serving provides 2 mg of copper. The serving also provides 40 mg of zinc, giving a zinc-to-copper ratio of 20:1.
Copper Dosage Safety & Efficacy
The serving provides 2 mg of copper.
Zinc-to-Copper Balance
The serving also provides 40 mg of zinc, giving a zinc-to-copper ratio of 20:1.

Value80

The cost per serving is moderate.
Price Per Serving Efficiency
The cost per serving is moderate.
Report alternatives

Sources

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

  1. What is the impact of daily oral supplementation of vitamin D3 (cholecalciferol) plus calcium on the incidence of hip fracture in older people? A systematic review and meta-analysis.
    Manoj P; Derwin R; George S · International journal of older people nursing · 2023
    Meta-analysis12,620 participants7 studies pooledBone Health forCalcium
  2. Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
    Storm D; Eslin R; Porter ES; Musgrave K; Vereault D; Patton C; Kessenich C; Mohan S; Chen T; Holick MF; Rosen CJ · The Journal of clinical endocrinology and metabolism · 1998
    Randomized trial60 participantsBone Health forCalcium
  3. The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
    Prince R; Devine A; Dick I; Criddle A; Kerr D; Kent N; Price R; Randell A · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 1995
    Randomized trial168 participantsBone Health forCalcium
  4. The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
    Rajatanavin R; Chailurkit L; Saetung S; Thakkinstian A; Nimitphong H · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Randomized trial404 participantsBone Health forCalcium
  5. Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
    Bonjour JP; Carrie AL; Ferrari S; Clavien H; Slosman D; Theintz G; Rizzoli R · The Journal of clinical investigation · 1997
    Randomized trial149 participantsBone Health forCalcium
  6. The Association between Dietary and Circulating Copper Levels and Osteoporosis: a Scoping Review.
    Ju Y; Xiong W; Pang Y; Chen Z; Hou J; Zheng S; Li Z; Liu T; Xia H; Xia M; Zhong Y; Li J; Jiang X · Biological trace element research · 2026
    Scoping review18 studies pooledBone Health forCopper
  7. Association between dietary copper, iron, zinc, selenium intake and osteopenia or osteoporosis in elderly hypertensive patients: a retrospective cohort study.
    Chen M; Jia L; Gao R · Frontiers in nutrition · 2024
    Cohort study5,286 participantsBone Health forCopper
  8. Associations of dietary copper intake with total bone mineral density and lumbar spine bone mineral density in American adults.
    Hu M; Wang Z; Li C; Zheng Y; Hu J · Medicine · 2025
    Cross-sectional studyBone Health forCopper
  9. The association between dietary mineral intake and bone mineral density: a cross-sectional study.
    Wei M; Wei J; Huang S · Journal of health, population, and nutrition · 2025
    Cross-sectional study11,520 participantsBone Health forCopper
  10. Association between dietary copper intake and bone mineral density in children and adolescents aged 8-19 years: A cross-sectional study.
    Cui A; Yan J; Li H; Fan Z; Wei X; Wang H; Zhuang Y · PloS one · 2024
    Cross-sectional study6,965 participantsBone Health forCopper
  11. Risk of Environmental Chemicals on Bone Fractures Is Independent of Low Bone Mass in US Adults: Insights from 2017 to 2018 NHANES.
    Ling R; Ai Y; Chen C; Zhang J; Zou Z; Cheng S; Li C; Li X; Wang B · Metabolites · 2023
    Cross-sectional study2,640 participantsBone Health forManganese
  12. The Manganese-Bone Connection: Investigating the Role of Manganese in Bone Health.
    Taskozhina G; Batyrova G; Umarova G; Issanguzhina Z; Kereyeva N · Journal of clinical medicine · 2024
    Narrative reviewBone Health forManganese
  13. Associations of multiple metals with bone mineral density: A population-based study in US adults.
    Wei MH; Cui Y; Zhou HL; Song WJ; Di DS; Zhang RY; Huang Q; Liu JA; Wang Q · Chemosphere · 2021
    Cross-sectional studyBone Health forManganese
  14. Sex-specific associations of urinary mixed-metal concentrations with femoral bone mineral density among older people: an NHANES (2017-2020) analysis.
    Li H; Li G; Yi M; Zhou J; Deng Y; Huang Y; He S; Meng X; Liu L · Frontiers in public health · 2024
    Cross-sectional study31 participantsBone Health forManganese
  15. Relationship between blood manganese and bone mineral density and bone mineral content in adults: A population-based cross-sectional study.
    Wang C; Zhu Y; Long H; Ou M; Zhao S · PloS one · 2022
    Cross-sectional study9,732 participantsBone Health forManganese
  16. Evaluating the Protective Role of Vitamin A Supplementation in Periodontal Health: A Comprehensive Systematic Review and Meta-Analysis.
    Luca MM; Buzatu R; Bumbu BA · Journal of clinical medicine · 2024
    Meta-analysisBone Health forVitamin A
  17. Dietary vitamin A intake and bone health in the elderly: the Rotterdam Study.
    de Jonge EA; Kiefte-de Jong JC; Campos-Obando N; Booij L; Franco OH; Hofman A; Uitterlinden AG; Rivadeneira F; Zillikens MC · European journal of clinical nutrition · 2016
    Cohort study5,288 participantsBone Health forVitamin A
  18. Vitamin A and its dervatives effect on bone mineral density, a systematic review.
    Khojah Q; AlRumaihi S; AlRajeh G; Aburas A; AlOthman A; Ferwana M · Journal of family medicine and primary care · 2022
    Systematic review8 studies pooledBone Health forVitamin A
  19. Association of vitamins with bone mineral density and osteoporosis measured by dual-energy x-ray absorptiometry: a cross-sectional study.
    Wang Q; Yu H; Kong Y · BMC musculoskeletal disorders · 2024
    Cross-sectional study1,536 participantsBone Health forVitamin A
  20. Association of dietary consumption and serum levels of vitamin A and β-carotene with bone mineral density in Chinese adults.
    Chen GD; Zhu YY; Cao Y; Liu J; Shi WQ; Liu ZM; Chen YM · Bone · 2016
    Cohort study3,154 participantsBone Health forVitamin A