Vitamin D-3 2000 IU
Goals
$10.50 $0.05 per serving
Product analysis
Vitamin D-3 2000 IU offers good value for supporting normal immune function and bone nutrition when vitamin D intake is low.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality100
The vitamin is supplied as clearly identified D3. That is a favorable form choice for comparing vitamin D supplements.
Ingredient Transparency100
The vitamin D amount and form are disclosed. Those details make comparison with alternatives easy.
Value For Money80
The vitamin D contribution offers good value at the serving cost. Affordability supports its appeal for filling a vitamin D gap.
Customer Satisfaction73
Buyers give very positive feedback. The relatively small review pool limits how broad a picture of satisfaction it provides.
Product Focus80
A single nutrient gives the formula a clear nutritional purpose. Its benefit is most relevant when vitamin D intake or status is low.
- Format
Softgel - Container
- 200 Softgel(s)
- Per serving
- $0.05
- Customer rating
- 4.8 · 84 ratings
Goals
Impact
Highest effect
Vitamin D · 2000 IU
Vitamin D contributes to bone and mineral nutrition. These nutrients can help fill dietary shortfalls; additional benefit above adequate intake is not established.
How this product is rated for Everyday Health
Ingredient fit93
Vitamin D provides a focused nutrient contribution, most relevant when intake is low.
Goal fit
Vitamin D is the main recognized ingredient in this product’s general-health connection.
Dose adequacy
The counted amounts reach the supplied comparison endpoints; higher quantities do not establish additional health benefit.
Pathways57
The strongest saved connection is bone and mineral metabolism, reflecting nutritional roles rather than demonstrated broad health outcomes.
Depth
The strongest saved connection is bone and mineral metabolism, reflecting nutritional roles rather than demonstrated broad health outcomes.
Breadth
The covered functions are bone and mineral metabolism.
Evidence82
The evidence supports nutrient availability and correction of dietary gaps, rather than extra benefit when intake is adequate.
Evidence strength
Vitamin D leads the saved evidence finding, with benefit limited to its supported nutritional role and filling low intake.
Studied preparation
The counted preparations match those recognized in the supplied comparison, without establishing superiority of a particular chemical form or delivery method.
Formulation logic100
No unmet partner requirement or specified conflict was identified, and the counted ingredients meet the supplied minimum amount comparisons.
Partner coverage
No counted ingredient has an unmet partner requirement in the supplied findings; this does not establish added benefit from combining ingredients.
Conflicts
No specified ingredient conflict was identified in the supplied findings.
Effective doses
All counted ingredients meet the supplied minimum amount comparison; this is not a proven threshold for broad health benefit.
Impact
Highest effect
Vitamin D · 2000 IU
Vitamin D supplies a nutrient needed for normal immune-cell function, with usefulness mainly when intake is low. Vitamin D’s normal nutritional role does not establish additional infection prevention.
How this product is rated for Immunity
Ingredient fit93
Vitamin D provide the main immune-related focus. The included amounts fully meet the saved amount comparison; this does not establish extra benefits above nutritional adequacy.
Goal fit
Vitamin D provide the main immune-related focus.
Dose adequacy
The included amounts fully meet the saved amount comparison; this does not establish extra benefits above nutritional adequacy.
Pathways60
The strongest area is lymphocyte function and immune regulation, with substantial coverage from the relevant ingredients.
Depth
The strongest area is lymphocyte function and immune regulation, with substantial coverage from the relevant ingredients.
Breadth
The areas reaching the saved coverage threshold are lymphocyte function and immune regulation.
Evidence100
Vitamin D leads the saved evidence comparison; its nutritional role does not establish extra infection prevention.
Evidence strength
Vitamin D leads the saved evidence comparison; its nutritional role does not establish extra infection prevention.
Studied preparation
The eligible preparations match those accepted in the saved findings, without implying superior forms or broader clinical benefits.
Formulation logic100
None of the evaluated ingredient conflicts was triggered. The relevant ingredients can contribute independently or have their required partner present; no extra combined effect is established.
Partner coverage
The relevant ingredients can contribute independently or have their required partner present; no extra combined effect is established.
Conflicts
None of the evaluated ingredient conflicts was triggered.
Effective doses
All included ingredients meet the saved minimum amount comparison; this is not itself a clinically proven effectiveness threshold.
Impact
High effect
Vitamin D · 2000 IU
Vitamin D contributes to normal nutritional status. A hormone signal in initially deficient overweight men does not establish testosterone enhancement in people with adequate vitamin D, and a healthy-men trial found no total-testosterone effect. The declared amount receives a contribution, but a larger serving does not establish a larger hormonal benefit.
How this product is rated for Testosterone Support
Ingredient fit93
The formula is closely focused on ingredients included in this testosterone comparison. The counted amounts reach the full allowance used here, without establishing greater hormone effects from larger amounts.
Goal fit
The formula is closely focused on ingredients included in this testosterone comparison.
Dose adequacy
The counted amounts reach the full allowance used here, without establishing greater hormone effects from larger amounts.
Pathways0
No contribution is recorded for stress regulation, testicular synthesis or free-testosterone availability; nutrient relevance remains separate from these specific routes.
Depth
No contribution is recorded for stress regulation, testicular synthesis or free-testosterone availability; nutrient relevance remains separate from these specific routes.
Breadth
None of the assessed routes reaches the coverage threshold.
Evidence81
Vitamin D leads the recorded evidence contribution; its findings do not establish testosterone enhancement in adequately nourished healthy adults.
Evidence strength
Vitamin D leads the recorded evidence contribution; its findings do not establish testosterone enhancement in adequately nourished healthy adults.
Studied preparation
The counted forms receive full preparation recognition here, without establishing hormone benefit or superiority of one salt.
Formulation logic100
The counted ingredients have no missing required partners or matched conflicts, and their amounts meet the minimum comparison threshold.
Partner coverage
No counted ingredient lacks a required partner under the applied checks.
Conflicts
No ingredient combination triggers the specific conflict checks applied.
Effective doses
All counted ingredients meet the minimum amount threshold used here; this is not a proven testosterone-raising dose.
Impact
High effect
Vitamin D · 2000 IU
Vitamin D helps maintain bone and muscle function when deficiency is corrected. Supplementation has not shown the same benefit in adults with adequate levels, and these facts do not establish slower aging.
How this product is rated for Longevity
Ingredient fit93
Vitamin D is the confirmed relevant ingredient. The declared amount fully meets the saved amount comparison.
Goal fit
Vitamin D is the confirmed relevant ingredient.
Dose adequacy
The declared amount fully meets the saved amount comparison.
Pathways0
No listed aging pathway received coverage.
Depth
The listed pathways have no coverage from the recognized ingredient.
Breadth
No listed pathway reaches the breadth threshold.
Evidence83
Vitamin D supports deficiency correction, with no extra benefit established in replete adults.
Evidence strength
Vitamin D supports deficiency correction, with no extra benefit established in replete adults.
Studied preparation
The recognized preparation matches the saved criteria; this does not broaden the human outcomes described.
Formulation logic100
Recognized ingredients can stand alone or have their required partners, with no matched conflicts. Their counted amounts meet the saved minimum threshold.
Partner coverage
Recognized ingredients can stand alone or have their required partners; this does not establish added benefit from combining them.
Conflicts
No configured ingredient conflict was matched in the supplied facts.
Effective doses
All ingredients included in this amount check meet its minimum threshold; this is not proof of a clinically effective anti-aging dose.
Impact
Highest effect
Vitamin D · 2000 IU
Vitamin D relates to inflammatory signalling, but the supplied intervention findings are mixed across time. One analysis found a transient reduction in hsCRP at two years, without persistence at four years or consistent changes in other cytokines. The declared D3 serving reaches the saved amount comparison, but routine broad clinical anti-inflammatory benefit remains unestablished.
How this product is rated for Inflammation
Ingredient fit93
Relevant ingredients receive recognition, with the serving reaching the saved amount comparison.
Goal fit
The retained relevant ingredient content is focused, while links to other goals do not establish anti-inflammatory effectiveness.
Dose adequacy
The serving reaches the saved amount comparison; this does not establish a clinical treatment dose or infer repeated daily use.
Pathways57
Inflammatory gene signalling is the strongest recorded pathway, although the supplied intervention findings do not establish broad clinical benefit.
Depth
Inflammatory gene signalling is the strongest recorded pathway, although the supplied intervention findings do not establish broad clinical benefit.
Breadth
Only inflammatory signalling reaches the saved coverage threshold; the other evaluated pathways do not.
Evidence93
Vitamin D leads the saved finding, while inconsistent and transient biomarker effects do not establish broad clinical anti-inflammatory benefit.
Evidence strength
Vitamin D leads the saved finding, while inconsistent and transient biomarker effects do not establish broad clinical anti-inflammatory benefit.
Studied preparation
The retained preparations receive recognition in the saved finding; this does not establish equivalence across forms or a proven daily treatment regimen.
Formulation logic100
No required partners are missing and no configured conflicts were matched. Recognition of serving amounts does not establish clinical effectiveness.
Partner coverage
No required partner is missing for ingredients receiving a contribution; this does not establish additional benefit from combining them.
Conflicts
No configured ingredient conflict was matched in the supplied facts.
Effective doses
All retained ingredients clear the saved minimum amount check; that threshold is not a proven clinically effective dose.
Impact
High effect
Vitamin D · 2000 IU
Vitamin D has been studied for fatigue in adults with vitamin D deficiency. That study used a single large treatment dose, so it does not establish routine energy benefit from this serving in adults with adequate status. The saved result recognizes the declared amount, but it records no coverage of the specific energy pathways.
How this product is rated for Energy
Ingredient fit93
Vitamin D anchors the recognized ingredient fit, with declared amounts fully meeting the saved comparisons.
Goal fit
Vitamin D is central to the product’s recognized energy connection, although the product is also linked to other goals.
Dose adequacy
The declared amounts fully meet the saved comparisons; these are not proven fatigue-treatment doses.
Pathways0
The saved result identifies no coverage of its specific energy pathways. Nutritional fatigue support remains distinct from alertness or exercise capacity.
Depth
No specific energy pathway receives coverage, even though the saved result recognizes nutritional contributions.
Breadth
No energy pathway reaches the saved breadth threshold.
Evidence95
Vitamin D leads the recognized evidence, but the supplied context limits how broadly its findings apply.
Evidence strength
Vitamin D supplies the strongest recognized evidence here, subject to the population and application limits described for it.
Studied preparation
The saved findings accept the qualifying preparations; this does not establish form superiority.
Formulation logic100
No required partner is missing, and no configured sedative conflict is present. The recognized amounts reach the saved minimum comparison.
Partner coverage
The recognized ingredients have no missing required partner for their assigned contributions.
Conflicts
No configured sedative conflict applies: valerian, kava, qualifying tryptophan and melatonin are absent.
Effective doses
All recognized ingredients reach the saved minimum amount comparison; that threshold is not proof of a clinical energy effect.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin D3 (Cholecalciferol) | 2000 IU |
Vitamin D (Cholecalciferol) · 2000 IU OverallScore78
Each softgel provides 2,000 IU of vitamin D3. The whole product costs about $0.03 per 1,000 IU of vitamin D.
How this ingredient is rated
Active Ingredient Quality & Bioavailability87
Vitamin D3 is used, but its raw source is not recorded.
Vitamin D3 vs. D2 Superiority
Vitamin D3 (cholecalciferol) generally raises and maintains vitamin D levels more effectively than D2.
Sourcing and Active Marker Disclosure
The raw source of the vitamin D is not recorded in the saved facts.
Dose, Safety & Label Transparency68
A serving provides 2,000 IU of vitamin D. No qualifying independent verification claim is recorded.
Daily Dosage Appropriateness
A serving provides 2,000 IU of vitamin D.
Excipient and Additive Purity
The checked ingredients do not include titanium dioxide, artificial colors, or hydrogenated oils. The sugar amount is unavailable in the saved facts.
Purity and Quality Certification
No qualifying certification, batch-specific testing, or GMP claim is recorded in the saved facts.
Value80
The whole-product price is about $0.03 per 1,000 IU of vitamin D.
Price per 1,000 IU Efficiency
The whole-product price is about $0.03 per 1,000 IU of vitamin D.
Alternative products
Report alternatives
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.