$16.67 $0.06 per serving
Product analysis
Vitamin D-3 5000 IU supplies vitamin D to support normal immune, bone and muscle functions, with the clearest benefit when vitamin D levels are low.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality100
Vitamin D3 is a favorable form for absorption. The clearly identified source makes its form straightforward to compare.
Ingredient Transparency100
The vitamin D amount and form are clearly stated. That makes it straightforward to compare the serving with other vitamin D supplements.
Value For Money100
Vitamin D offers favorable value relative to its declared amount. The simple formula keeps that value comparison straightforward.
Customer Satisfaction90
Customer feedback is very positive. A substantial review pool gives the feedback a broad base.
Product Focus80
The single-nutrient formula has a clear role in vitamin D nutrition. The wider uses are mainly relevant to low vitamin D rather than extra benefits after needs are met.
- Format
Capsule - Container
- 240 Capsule(s)
- Per serving
- $0.06
- Also available
Vitamin D-3 2000 IU$12.95- Customer rating
- 4.8 · 3,430 ratings
Goals
Impact
Highest effect
Vitamin D · 5000 IU
Vitamin D supplies a nutrient involved in bone and mineral functions when intake is low. The 125 mcg per serving exceeds the saved comparison endpoint, with no additional contribution above that bound. This retained finding does not establish suitability at the supplied exposure, treatment of deficiency or additional health benefit once nutritional needs are met.
How this product is rated for Everyday Health
Ingredient fit93
The declared amounts reach the saved comparison endpoints; higher amounts do not establish additional health benefit.
Goal fit
Vitamin D and the other counted ingredients provide a focused contribution, although the product is linked to several goals.
Dose adequacy
The declared amounts reach the saved comparison endpoints; higher amounts do not establish additional health benefit.
Pathways57
The identified contributions cover bone and mineral metabolism.
Depth
The strongest identified coverage is in bone and mineral metabolism.
Breadth
Coverage extends to bone and mineral metabolism.
Evidence82
Vitamin D's contribution concerns nutrient availability when intake is low, without establishing extra benefit above adequacy.
Evidence strength
Vitamin D's contribution concerns nutrient availability when intake is low, without establishing extra benefit above adequacy.
Studied preparation
The relevant preparations are accepted in the saved finding, without establishing superiority for a named form or delivery method.
Formulation logic100
The counted ingredients meet the amount and partner requirements. No configured ingredient conflict was triggered by the supplied facts.
Partner coverage
Each counted ingredient works alone or meets its partner requirement; the finding does not establish extra benefit from combining ingredients.
Conflicts
No configured ingredient conflict was triggered by the supplied facts.
Effective doses
Every ingredient counted in this finding reaches the saved minimum amount criterion; this is not a proven threshold for improved health.
Impact
High effect
Vitamin D · 5000 IU
Vitamin D has limited findings in initially deficient men, without an established testosterone increase in nutrient-replete users.
How this product is rated for Testosterone Support
Ingredient fit93
Relevant nutritional ingredients are present, with the amount findings determining how much they contribute.
Goal fit
The active ingredients are focused on the evaluated nutritional roles.
Dose adequacy
The amounts meet the supplied comparison anchors, without establishing an effective testosterone-boosting dose.
Pathways0
No direct coverage of the evaluated hormone processes was found.
Depth
No direct coverage of the evaluated hormone processes was found.
Breadth
None of the evaluated hormone processes reaches the supplied coverage requirement.
Evidence81
Vitamin D findings depend on population and nutrient status; generalized testosterone enhancement is not established.
Evidence strength
Vitamin D findings depend on population and nutrient status; generalized testosterone enhancement is not established.
Studied preparation
The relevant declarations are accepted for comparison, without establishing equivalent hormone outcomes for this product.
Formulation logic100
No configured ingredient conflict was found. All counted ingredients meet the minimum amount comparison, which is not a proven hormone-enhancing dose.
Partner coverage
No required ingredient partner is missing in the supplied findings.
Conflicts
No configured ingredient conflict was found.
Effective doses
All counted ingredients meet the minimum amount comparison, which is not a proven hormone-enhancing dose.
Impact
Highest effect
Vitamin D · 5000 IU
Vitamin D has mixed inflammatory-marker findings. A large trial found no reduction after one year; a later analysis found lower CRP at two years, but not four years, with other cytokines unchanged. This transient signal does not establish routine broad clinical anti-inflammatory benefit. The supplied amount contributes fully to the saved comparison without implying greater benefit at higher intake.
How this product is rated for Inflammation
Ingredient fit93
The recognized ingredients are relatively focused on this goal, though their clinical limitations still apply. Recognized amounts contribute fully to the saved comparison; that is not proof of an effective clinical dose.
Goal fit
The recognized ingredients are relatively focused on this goal, though their clinical limitations still apply.
Dose adequacy
Recognized amounts contribute fully to the saved comparison; that is not proof of an effective clinical dose.
Pathways57
Inflammatory gene signalling is the strongest recorded mechanism, without establishing broad clinical benefit.
Depth
Inflammatory gene signalling is the strongest recorded mechanism, without establishing broad clinical benefit.
Breadth
Only one inflammatory mechanism reached the required coverage level.
Evidence93
Vitamin D leads the saved evidence finding, with its specific population and outcome limitations still applying.
Evidence strength
Vitamin D leads the saved evidence finding, with its specific population and outcome limitations still applying.
Studied preparation
Contributing preparations matched those recognized in the saved result; this does not establish a trial of the complete product.
Formulation logic100
No missing required partner or configured conflict reduced recognized contributions. All counted amounts reached the minimum comparison threshold.
Partner coverage
No missing required partner reduced recognized contributions; this does not demonstrate extra benefit from combining ingredients.
Conflicts
No configured ingredient conflict was identified in the supplied calculation.
Effective doses
All counted ingredients reached the minimum comparison threshold, which is not a proven minimum effective clinical dose.
Impact
High effect
Vitamin D · 5000 IU
Vitamin D supports bone and muscle function, and correcting deficiency can improve weakness associated with low vitamin D. The supplied findings do not establish additional aging benefits in adequately nourished adults. The declared serving exceeds the nutritional comparison, but higher amounts do not imply greater preservation of function or longer life.
How this product is rated for Longevity
Ingredient fit93
The single ingredient makes a focused contribution to the saved amount comparison. This does not establish a broadly applicable aging benefit.
Goal fit
The formula focuses on its single declared ingredient, although that ingredient’s functions extend beyond this goal.
Dose adequacy
The retained amounts reach their supplied comparisons; higher amounts do not establish greater aging benefits.
Pathways0
The vitamin’s nutritional contribution does not translate into coverage of the defined aging pathways.
Depth
No defined aging pathway receives a retained contribution, despite the vitamin’s nutritional role.
Breadth
No area reaches the supplied coverage benchmark; this does not mean the ingredient lacks nutritional value.
Evidence83
Vitamin D leads the retained comparison, with functional benefit tied to correcting low vitamin D rather than extra benefit in replete adults.
Evidence strength
Vitamin D leads the retained comparison, with functional benefit tied to correcting low vitamin D rather than extra benefit in replete adults.
Studied preparation
The retained preparations match the supplied comparison, without proving that the whole product reproduces clinical outcomes.
Formulation logic100
The retained contributions have no missing required partners or configured conflicts, and their amounts meet the minimum comparison.
Partner coverage
No required partner is missing among the retained contributions; this does not establish extra benefit from combining them.
Conflicts
No configured ingredient conflict was identified in the supplied facts.
Effective doses
The retained ingredients meet the supplied minimum amount comparison, which is not a proven threshold for slower aging.
Impact
Highest effect
Vitamin D · 5000 IU
Vitamin D supports normal immune-cell function. This 5000 IU serving receives full recognition in the saved findings, but the amount does not establish greater immune benefit or infection prevention. Correcting deficiency differs from routine prevention, and the supplied context does not establish clinical superiority for the cholecalciferol form.
How this product is rated for Immunity
Ingredient fit93
The formula’s immune connection comes from its relevant nutrients, with amount and focus limitations reflected below.
Goal fit
The recognized ingredients focus on immune-related nutrition, though the product is also linked to other goals.
Dose adequacy
The declared amounts fully meet the saved comparisons; larger amounts do not imply greater immune benefit.
Pathways60
The strongest saved coverage concerns lymphocyte function and immune regulation.
Depth
The strongest saved finding concerns lymphocyte function and immune regulation; this describes supported coverage rather than infection protection.
Breadth
The saved findings cover lymphocyte function and immune regulation.
Evidence100
Vitamin D anchors the strongest recognized evidence; the supplied context limits what clinical benefits can be inferred.
Evidence strength
Vitamin D provides the strongest recognized evidence here; its benefit remains bounded by the supplied nutritional or regular-use findings.
Studied preparation
The saved findings accept the recognized forms at qualifying amounts; this does not establish that one form provides greater clinical benefit.
Formulation logic100
The recognized ingredients have no missing required partner or configured conflict.
Partner coverage
The recognized ingredients need no missing partner for their assigned contributions.
Conflicts
No configured ingredient conflict was found; this is not a full assessment of suitability.
Effective doses
All recognized ingredients meet the saved minimum amount comparison; that threshold is not proof of clinical effectiveness.
Impact
High effect
Vitamin D · 5000 IU
Vitamin D has a possible connection to fatigue relief in people who are deficient. The supplied fatigue trial used a single large treatment dose in deficient adults, so it does not establish routine energy benefits from this product's serving. The declared D3 amount reaches the saved comparison's amount reference, which is distinct from a proven fatigue-treatment dose.
How this product is rated for Energy
Ingredient fit93
The relevant ingredients provide a focused connection to energy. Their declared amounts largely meet the saved amount references.
Goal fit
Relevant ingredients dominate the saved energy fit, although links to other goals broaden the product's focus.
Dose adequacy
Declared amounts largely meet the comparison references; reaching them does not prove an additional energy benefit.
Pathways0
The supplied findings center on nutrient support; none of the five assessed alertness, exercise or fatigue pathways received coverage.
Depth
The supplied findings center on nutrient support; none of the five assessed alertness, exercise or fatigue pathways received coverage..
Breadth
None of the assessed pathways reaches the saved breadth threshold.
Evidence95
Vitamin D provides the leading evidence contribution in the saved findings. The included preparations met the saved preparation check, which does not establish unconditional fatigue relief.
Evidence strength
Vitamin D supplies the leading evidence contribution; its specific population and outcome limitations still apply.
Studied preparation
The included ingredients meet the saved preparation check; this does not prove finished-product efficacy.
Formulation logic100
The included ingredients have no missing required partners, and no configured conflict was matched. Each included amount clears the saved minimum comparison threshold.
Partner coverage
No required partner is missing from the included contributions.
Conflicts
No configured ingredient conflict was matched; this is not a comprehensive safety assessment.
Effective doses
All included ingredients clear the saved minimum amount threshold; this is a comparison cutoff, not proof of effective fatigue treatment.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin D3 (Cholecalciferol) | 5000 IU |
Vitamin D (Cholecalciferol) · 5000 IU OverallScore82
Each serving provides 5,000 IU of vitamin D3, which exceeds the adult upper limit. The saved price is about $0.014 per 1,000 IU of vitamin D.
How this ingredient is rated
Active Ingredient Quality & Bioavailability87
Vitamin D3 is identified, but its raw source is not specified in the saved facts.
Vitamin D3 vs. D2 Superiority
Vitamin D3 (cholecalciferol) is the form the evaluation favors for raising and maintaining blood levels.
Sourcing and Active Marker Disclosure
The saved facts do not identify the raw source of the vitamin D.
Dose, Safety & Label Transparency68
The 5,000 IU of vitamin D per serving exceeds the adult upper limit.
Daily Dosage Appropriateness
The serving provides 5,000 IU of vitamin D, exceeding the adult upper limit.
Excipient and Additive Purity
The saved ingredients list records no titanium dioxide, artificial colors or hydrogenated oils. The sugar amount is unavailable.
Purity and Quality Certification
No qualifying seal, batch-specific certificate or GMP claim is recorded in the saved evaluation.
Value100
The saved whole-product price is low relative to its vitamin D amount.
Price per 1,000 IU Efficiency
The saved whole-product price corresponds to about $0.014 per 1,000 IU of vitamin D.
Alternative products
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Effect of Vitamin D Supplementation on Fatigue in Multiple Sclerosis: A Systematic Review and Meta-Analysis.
- Vitamin D Supplementation in Adolescents and Young Adults With Juvenile Systemic Lupus Erythematosus for Improvement in Disease Activity and Fatigue Scores: A Randomized, Double-Blind, Placebo-Controlled Trial.
- Vitamin D in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome After COVID-19 or Vaccination: A Randomized Controlled Trial.
- The effects of vitamin D supplementation on disease activity and fatigue in Libyan rheumatoid arthritis patients.
- The effect of home-based aerobic training and vitamin D supplementation on fatigue and quality of life in patients with multiple sclerosis during COVID-19 outbreak.
- Vitamin D supplementation for prevention of mortality in adults.
- Effect of vitamin D on gastrointestinal symptoms and health-related quality of life in irritable bowel syndrome patients: a randomized double-blind clinical trial.
- The impact of vitamin D administration on mortality in COVID-19 patients: a systematic review and meta-analysis of randomized controlled trials.
- Vitamin D Status and Mortality: A Systematic Review of Observational Studies.
- Meta-analysis of long-term vitamin D supplementation on overall mortality.
- Vitamin D supplementation to prevent acute respiratory infections: individual participant data meta-analysis.
- Association Between Vitamin D and Influenza: Meta-Analysis and Systematic Review of Randomized Controlled Trials.
- Vitamin D3 and deconvoluting a rash.
- Effect of vitamin D3 supplementation on cellular immunity and inflammatory markers in COVID-19 patients admitted to the ICU.
- Current opinion on the role of vitamin D supplementation in respiratory infections and asthma/COPD exacerbations: A need to establish publication guidelines for overcoming the unpublished data.
- Vitamin D deficiency and C-reactive protein: a bidirectional Mendelian randomization study.
- Vitamin D in Children With Inflammatory Bowel Disease: A Randomized Controlled Clinical Trial.
- Vitamin D supplementation reduces infection rate and promotes wound healing in patients with diabetic foot ulcers.
- Associations of C-reactive Protein with 25-hydroxyvitamin D in 24 Specific Diseases: A Cross-sectional Study from NHANES.
- Combined effects of vitamin D deficiency and systemic inflammation on all-cause mortality and cause-specific mortality in older adults.