Product Image

Vitamin D3 10000 IU

AN Amazing Nutrition Amazing Formulas
4.9
★ ★ ★ ★ ★
(52 ratings)
Vitamin D 10000 IU
Product Image
Score78
Best suited to testosterone support, with the clearest benefits coming from the disclosed active ingredients. Evidence does not show that more vitamin D3 reliably raises testosterone when status is already adequate.
How scoring works
Quantity:240 Softgel(s) • (240 servings)
Goals:
Testosterone Support
Immunity
General Health
Anti-Inflammatory Support

Score 78

Best suited to testosterone support, with the clearest benefits coming from the disclosed active ingredients. Evidence does not show that more vitamin D3 reliably raises testosterone when status is already adequate.
How scoring works
$9.99($0.04 per serving)
Walmart
$ 9.99
Report prices

Analysis

Vitamin D3 directly supports a foundational endocrine pathway and may help when vitamin D status is low. Evidence does not show that more vitamin D3 reliably raises testosterone when status is already adequate. The oil-based softgel has good absorption potential, but 10,000 IU is unusually high for routine unsupervised use.

Vitamin D can help fatigue when low status is a contributing factor, but it does not provide acute or direct energy for most users. The 10,000 IU amount is much higher than routine maintenance needs. The oil-based softgel is well suited to absorption and the single-active design is clear.

The oil-based softgel delivers concentrated cholecalciferol with excellent cost efficiency. A 10,000 IU serving is high for routine use and is better matched to an identified need with appropriate monitoring. Raw-source and independent-testing details are not supplied, which limits quality assurance despite the strong format.

Who is it for
  • People seeking testosterone support support
  • People seeking immunity support
  • People seeking general health support
Best for
  • Testosterone Support
  • Immunity
  • General Health

Pros

  • Vitamin D3 directly supports a foundational endocrine pathway and may help when vitamin D status is low.
  • The focused formula offers depth in one pathway and no stress or free hormone support.
  • Oil-based cholecalciferol provides direct support for vitamin D-dependent immune signaling and absorption.
  • The simple label makes the active amount easy to assess.
  • It is better matched to clinician-guided correction with monitoring than general seasonal wellness.

Cons

  • Evidence does not show that more vitamin D3 reliably raises testosterone when status is already adequate.
  • A single vitamin offers useful depth but little coverage of other aging pathways.
  • Vitamin D can help fatigue when low status is a contributing factor, but it does not provide acute or direct energy for most users.
  • Raw-source and independent-testing details are not supplied, which limits quality assurance despite the strong format.

Warnings

  • The oil-based softgel has good absorption potential, but 10,000 IU is unusually high for routine unsupervised use.
  • The disclosed amount is unusually high for routine daily use and can raise calcium excessively when taken without a demonstrated need.
  • The serving is unusually concentrated for routine unsupervised use.
  • A single softgel supplies a very high amount that is more appropriate for a defined need than routine unsupervised maintenance.
  • Regular use at this amount calls for clinician-guided blood testing because excess vitamin D can raise calcium to unsafe levels.

Nutrient quality

71 High impact

Cholecalciferol in a softgel is a well-absorbed form and suitable delivery format. The amount is pharmacologically high and meaningful only for a defined need.

.

Ingredient transparency

85 Highest impact

The single active ingredient has a specific amount. A complete oil carrier and inactive ingredient list was not supplied.

.

Customer satisfaction

62 Moderate impact

The available aggregate rating is strong for this category. No firsthand outcome details were supplied, so alignment with the intended use is uncertain.

.

Value for money

91 Highest impact

The preferred D3 form and softgel delivery are high quality, but the extreme dose limits general value. The product is competitive for medically guided high-dose use but not routine maintenance.

.
Report analysis

Goals

Testosterone Support
Testosterone Support
Impact
High effect
B Goal FitB- Strength of SupportD+ CoverageA+ Formula Quality
Vitamin D · 10000 IU

Vitamin D3 directly supports a foundational endocrine pathway and may help when vitamin D status is low. Evidence does not show that more vitamin D3 reliably raises testosterone when status is already adequate.

The oil-based softgel has good absorption potential, but 10,000 IU is unusually high for routine unsupervised use. The focused formula offers depth in one pathway and no stress or free hormone support.

Study evidence
Vitamin D Supportive 56 studies
Immunity
Immunity
Impact
High effect
A- Goal FitC+ Strength of SupportD- CoverageA Formula Quality
Vitamin D · 10000 IU

Oil-based cholecalciferol provides direct support for vitamin D-dependent immune signaling and absorption. The simple label makes the active amount easy to assess.

The disclosed amount is unusually high for routine daily use and can raise calcium excessively when taken without a demonstrated need. It is better matched to clinician-guided correction with monitoring than general seasonal wellness.

Study evidence
Vitamin D Supportive 85 studies
General Health
General Health
Impact
High effect
A- Goal FitC Strength of SupportD+ CoverageA Formula Quality
Vitamin D · 10000 IU

Vitamin D3 is a foundational nutrient with strong relevance to bone, muscle, and immune function. The oil-based softgel supports absorption and keeps the formula focused.

The serving is unusually concentrated for routine unsupervised use. It is better suited to a confirmed need with periodic vitamin D and calcium monitoring.

Study evidence
Vitamin D Supportive 115 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
B+ Goal FitC+ Strength of SupportD CoverageA Formula Quality
Vitamin D · 10000 IU

Vitamin D3 has a well-established role in immune regulation and may help keep inflammatory signaling balanced when vitamin D status is low. A single softgel supplies a very high amount that is more appropriate for a defined need than routine unsupervised maintenance.

The simple formula is transparent and free of padding. Regular use at this amount calls for clinician-guided blood testing because excess vitamin D can raise calcium to unsafe levels.

Study evidence
Vitamin D Supportive 101 studies
Anti-Aging
Anti-Aging
Impact
Moderate effect
C Goal FitC+ Strength of SupportD- CoverageA- Formula Quality
Vitamin D · 10000 IU

Vitamin D3 may help preserve bone, muscle, and immune function when vitamin D status is low. Oil-based softgel delivery supports absorption of the clearly identified cholecalciferol.

The serving is unusually concentrated for routine daily maintenance and is better suited to an identified need with monitoring. A single vitamin offers useful depth but little coverage of other aging pathways.

Study evidence
Vitamin D Supportive 50 studies
Energy
Energy
Impact
Moderate effect
D Goal FitC+ Strength of SupportD CoverageA Formula Quality
Vitamin D · 10000 IU

Vitamin D can help fatigue when low status is a contributing factor, but it does not provide acute or direct energy for most users. The 10,000 IU amount is much higher than routine maintenance needs.

The oil-based softgel is well suited to absorption and the single-active design is clear. Daily use at this amount is better reserved for an identified need with monitoring because excessive long-term intake can raise calcium and cause harm.

Study evidence
Vitamin D Supportive 32 studies

Ingredients

IngredientAmount per serving
Vitamin D3 (Cholecalciferol)
 10000 IU
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Vitamin D (Cholecalciferol) · 10000 IU OverallScore77
A Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyA+ Value

The oil-based softgel delivers concentrated cholecalciferol with excellent cost efficiency. A 10,000 IU serving is high for routine use and is better matched to an identified need with appropriate monitoring. Raw-source and independent-testing details are not supplied, which limits quality assurance despite the strong format.

View ingredientView products
Loading alternative details
82 Performance

Vitamin D3 10000 IU (250 mcg)

Country Life
<p>A focused formula supplies 10000 IU of cholecalciferol; the very high amount calls for a clearly established need and monitoring. Compared with the original, the simple, clearly quantified vitamin D3 profile is easier to assess and closely matches the original’s listed vitamin D amount.</p>
85 Performance

High Potency D3 5000 IU

Nature Made
<p>A focused formula supplies 5000 IU of cholecalciferol; the concentrated amount should be matched to measured vitamin D status. Compared with the original, the simple, clearly quantified vitamin D3 profile is easier to assess and uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
77 Performance

Vitamin D3 10000 IU

Zahler
<p>A focused formula supplies 10000 IU of vitamin D3; the very high amount calls for a clearly established need and monitoring. Compared with the original, the simple, clearly quantified vitamin D3 profile is easier to assess and closely matches the original’s listed vitamin D amount.</p>
86 Budget

Liquid Vitamin D3 Drops 5000 IU Natural Citrus Flavor

Bluebonnet
<p>A liquid formula supplies 5000 IU of lanolin-derived vitamin D3; the concentrated amount should be matched to measured vitamin D status. It costs less per serving than the original and uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
88 Budget

Extra Strength Liquid Vitamin D3

Protocol For Life Balance
<p>A liquid formula supplies 2000 IU of lanolin-derived vitamin D3 without unrelated active ingredients. It costs less per serving than the original and uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
87 Budget

D3 1000 IU

Nature Made
<p>A focused formula supplies 1000 IU of cholecalciferol without unrelated active ingredients. It costs less per serving than the original and uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
83 Value

D3-5

Bio-Tech Pharmacal
<p>A focused formula supplies 5000 IU of cholecalciferol; the concentrated amount should be matched to measured vitamin D status. Its focused formula and dose alignment support practical value, although it does not undercut the original’s serving cost and uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
82 Value

Vitamin D-3 5000 IU

Source Naturals
<p>A focused formula supplies 5000 IU of cholecalciferol; the concentrated amount should be matched to measured vitamin D status. Its focused formula and dose alignment support practical value, although it does not undercut the original’s serving cost and uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
88 Value

Liquid Vitamin D3 Drops 2000 IU Natural Citrus Flavor

Bluebonnet
<p>A liquid formula supplies 2000 IU of lanolin-derived vitamin D3 without unrelated active ingredients. The lower serving cost and focused ingredient list improve value, while the dose uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
Report alternatives

Sources

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

  1. Vitamin D Supplementation Ameliorates Metabolic Dysfunction in Patients with PCOS: A SystematicReview of RCTs and Insight into the Underlying Mechanism.
    Guo S; Tal R; Jiang H; Yuan T; Liu Y · International journal of endocrinology · 2022
    Meta-analysis824 participants13 studies pooledTestosterone Support forVitamin D
  2. Vitamin D for the management of multiple sclerosis.
    Jagannath VA; Filippini G; Di Pietrantonj C; Asokan GV; Robak EW; Whamond L; Robinson SA · The Cochrane database of systematic reviews · 2018
    Meta-analysis933 participants12 studies pooledEnergy forVitamin D
  3. The Effect of Vitamin D Supplementation on the Androgenic Profile in Patients with Polycystic Ovary Syndrome: A Systematic Review and Meta-Analysis of Clinical Trials.
    Azadi-Yazdi M; Nadjarzadeh A; Khosravi-Boroujeni H; Salehi-Abargouei A · Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme · 2017
    Meta-analysis183 participants6 studies pooledTestosterone Support forVitamin D
  4. Vitamin D levels and menopause-related symptoms.
    LeBlanc ES; Desai M; Perrin N; Wactawski-Wende J; Manson JE; Cauley JA; Michael YL; Tang J; Womack C; Song Y; Johnson KC; O'Sullivan MJ; Woods N; Stefanick ML · Menopause (New York, N.Y.) · 2015
    Cross-sectional study530 participantsEnergy forVitamin D
  5. Effect of vitamin D on pregnancy in women with polycystic ovary syndrome: retrospective and prospective studies.
    Piao C; Li J; Liang C; Zhang J; Li X; Zhao Z; Wang K · Reproductive biomedicine online · 2024
    OtherTestosterone Support forVitamin D
  6. 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.
    Lima GL; Paupitz J; Aikawa NE; Takayama L; Bonfa E; Pereira RM · Arthritis care & research · 2016
    Randomized trial40 participantsEnergy forVitamin D
  7. Androgens and hirsutism score of overweight women with polycystic ovary syndrome improved after vitamin D treatment: A randomized placebo controlled clinical trial.
    Al-Bayyari N; Al-Domi H; Zayed F; Hailat R; Eaton A · Clinical nutrition (Edinburgh, Scotland) · 2021
    Randomized trial60 participantsTestosterone Support forVitamin D
  8. Effect of Vitamin D Supplementation on Fatigue in Multiple Sclerosis: A Systematic Review and Meta-Analysis.
    López-Muñoz P; Torres-Costoso AI; Fernández-Rodríguez R; Guzmán-Pavón MJ; de Arenas-Arroyo SN; Basco-López JÁ; Reina-Gutiérrez S · Nutrients · 2023
    Meta-analysis345 participants5 studies pooledEnergy forVitamin D
  9. Effect of Two Different Doses of Vitamin D Supplementation on Metabolic Profiles of Insulin-Resistant Patients with Polycystic Ovary Syndrome.
    Jamilian M; Foroozanfard F; Rahmani E; Talebi M; Bahmani F; Asemi Z · Nutrients · 2018
    Randomized trial90 participantsTestosterone Support forVitamin D
  10. Vitamin D in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome After COVID-19 or Vaccination: A Randomized Controlled Trial.
    Kodama S; Nakata M; Konishi N; Yoshino M; Fujisawa A; Naganuma M; Kobayashi Y; Hirai Y; Kitagawa A; Miyokawa M; Mishima R; Teramukai S; Fukushima M · Nutrients · 2026
    Randomized trial91 participantsEnergy forVitamin D
  11. Supplementation with vitamin D does not increase serum testosterone levels in healthy males.
    Jorde R; Grimnes G; Hutchinson MS; Kjærgaard M; Kamycheva E; Svartberg J · Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme · 2014
    Randomized trialTestosterone Support forVitamin D
  12. The effects of vitamin D supplementation on disease activity and fatigue in Libyan rheumatoid arthritis patients.
    Elfituri S · Reumatologia · 2024
    Randomized trial68 participantsEnergy forVitamin D
  13. Vitamin D and calcium supplementation, skeletal muscle strength and serum testosterone in young healthy adult males: Randomized control trial.
    Saha S; Goswami R; Ramakrishnan L; Vishnubhatla S; Mahtab S; Kar P; Srinivasan S; Singh N; Singh U · Clinical endocrinology · 2019
    Randomized trial228 participantsTestosterone Support forVitamin D
  14. Role of vitamin D as adjuvant therapy on multiple sclerosis: an updated systematic review and meta-analysis of randomized controlled trials.
    Serag I; Abouzid M; Alsaadany KR; Hendawy M; Ali HT; Yaseen Y; Moawad MHED · European journal of medical research · 2025
    Meta-analysis1,903 participants21 studies pooledEnergy forVitamin D
  15. The effect of vitamin D supplementation in combination with low-calorie diet on anthropometric indices and androgen hormones in women with polycystic ovary syndrome: a double-blind, randomized, placebo-controlled trial.
    Jafari-Sfidvajani S; Ahangari R; Hozoori M; Mozaffari-Khosravi H; Fallahzadeh H; Nadjarzadeh A · Journal of endocrinological investigation · 2018
    Randomized trial60 participantsTestosterone Support forVitamin D
  16. Effect of Vitamin D Supplementation on the Prognosis of Post-stroke Fatigue: A Retrospective Cohort Study.
    Wang L; Zhao XM; Wang FY; Wu JC; Wang Y · Frontiers in neurology · 2021
    Cohort study139 participantsEnergy forVitamin D
  17. Associations of vitamin D status and vitamin D-related polymorphisms with sex hormones in older men.
    Rafiq R; van Schoor NM; Sohl E; Zillikens MC; Oosterwerff MM; Schaap L; Lips P; de Jongh RT · The Journal of steroid biochemistry and molecular biology · 2017
    Cohort study643 participantsTestosterone Support forVitamin D
  18. 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.
    Bahmani E; Hoseini R; Amiri E · Science & sports · 2022
    Randomized trial40 participantsEnergy forVitamin D
  19. Vitamin D Supplementation and Testosterone Levels in Breast Cancer Survivors.
    Minopoli A; Di Gennaro P; Porciello G; Palumbo E; Vitale S; Grimaldi M; Pica R; Falzone L; Montagnese C; de Falco R; Crispo A; Giannascoli D; Di Capua L; Meola S; Pinto M; De Laurentiis M; Di Lauro V; Ferraù F; Catalano F; Messina F; D'Aiuto M; Rinaldo M; Montesarchio V; Gatti D; Steffan A; Massarut S; Polesel J; Libra M; Cavalcanti E; Celentano E; Augustin LSA · International journal of molecular sciences · 2025
    Randomized trial253 participantsTestosterone Support forVitamin D
  20. Fatigue and Vitamin D Status in Frail Elderly with and without Cancer, and Healthy Controls of Different Ages: Results from the IMAGE Study.
    Dahlén E; Hedman C; Mily A; Alisjahbana A; Spulber G; Holmström-Edstedt J; Bergman P; Buggert M; Björkhem-Bergman L · Gerontology · 2025
    Cohort study273 participantsEnergy forVitamin D
  21. Joint association of serum 25-hydroxyvitamin D concentration and body mass index on the acceleration of clinical biomarker-based biological aging.
    Pan Z; Zeng J; Chen Z; Chen S; Yang J; Li H; Wang S; Wang J; Li N; Gong Y; Liu M; Li C · The journals of gerontology. Series A, Biological sciences and medical sciences · 2026
    Cohort study389,217 participantsAnti-Aging forVitamin D
  22. Serum 25-Hydroxyvitamin D Levels as an Aging Marker: Strong Associations With Age and All-Cause Mortality Independent From Telomere Length, Epigenetic Age Acceleration, and 8-Isoprostane Levels.
    Schöttker B; Hagen L; Zhang Y; Gào X; Holleczek B; Gao X; Brenner H · The journals of gerontology. Series A, Biological sciences and medical sciences · 2019
    Cohort study9,940 participantsAnti-Aging forVitamin D
  23. Sex-specific associations of serum 25-hydroxyvitamin D concentrations with incident sarcopenia in older adults: A 2-year follow-up study.
    Song S; Lim JY; Kim M; Won CW; Park HY · The journal of nutrition, health & aging · 2025
    Cohort study1,292 participantsAnti-Aging forVitamin D
  24. Vitamin D deficit is associated with accelerated brain aging in the general population.
    Terock J; Bonk S; Frenzel S; Wittfeld K; Garvert L; Hosten N; Nauck M; Völzke H; Van der Auwera S; Grabe HJ · Psychiatry research. Neuroimaging · 2022
    Cross-sectional study1,865 participantsAnti-Aging forVitamin D
  25. Vitamin D intake is associated with dementia risk in the Washington Heights-Inwood Columbia Aging Project (WHICAP).
    Zhao C; Tsapanou A; Manly J; Schupf N; Brickman AM; Gu Y · Alzheimer's & dementia : the journal of the Alzheimer's Association · 2021
    Cohort study1,759 participantsAnti-Aging forVitamin D
  26. Vitamin D deficiency and C-reactive protein: a bidirectional Mendelian randomization study.
    Zhou A; Hyppönen E · International journal of epidemiology · 2023
    Observational study294,970 participantsAnti-Inflammatory Support forVitamin D
  27. Vitamin D in Children With Inflammatory Bowel Disease: A Randomized Controlled Clinical Trial.
    El Amrousy D; El Ashry H; Hodeib H; Hassan S · Journal of clinical gastroenterology · 2021
    Randomized trial120 participantsAnti-Inflammatory Support forVitamin D
  28. Vitamin D supplementation reduces infection rate and promotes wound healing in patients with diabetic foot ulcers.
    Gao YQ; Gao YH; Xing JH · World journal of diabetes · 2025
    Randomized trial120 participantsAnti-Inflammatory Support forVitamin D
  29. Associations of C-reactive Protein with 25-hydroxyvitamin D in 24 Specific Diseases: A Cross-sectional Study from NHANES.
    Yang F; Sun M; Sun C; Li J; Yang X; Bi C; Wang M; Pu L; Wang J; Wang C; Xie M; Yao Y; Jin L · Scientific reports · 2020
    Cross-sectional study9,809 participantsAnti-Inflammatory Support forVitamin D
  30. Combined effects of vitamin D deficiency and systemic inflammation on all-cause mortality and cause-specific mortality in older adults.
    Zhang C; Cui J; Li S; Shen J; Luo X; Yao Y; Shi H · BMC geriatrics · 2024
    Cohort study3,072 participantsAnti-Inflammatory Support forVitamin D
  31. Vitamin D supplementation for prevention of mortality in adults.
    Bjelakovic G; Gluud LL; Nikolova D; Whitfield K; Wetterslev J; Simonetti RG; Bjelakovic M; Gluud C · The Cochrane database of systematic reviews · 2014
    Meta-analysis95,286 participants159 studies pooledGeneral Health forVitamin D
  32. Effect of vitamin D on gastrointestinal symptoms and health-related quality of life in irritable bowel syndrome patients: a randomized double-blind clinical trial.
    Abbasnezhad A; Amani R; Hajiani E; Alavinejad P; Cheraghian B; Ghadiri A · Neurogastroenterology and motility · 2018
    Randomized trial90 participantsGeneral Health forVitamin D
  33. The impact of vitamin D administration on mortality in COVID-19 patients: a systematic review and meta-analysis of randomized controlled trials.
    Kow CS; Ramachandram DS; Hasan SS; Wong Z; Thiruchelvam K · Inflammopharmacology · 2024
    Meta-analysis2,495 participants19 studies pooledGeneral Health forVitamin D
  34. Vitamin D Status and Mortality: A Systematic Review of Observational Studies.
    Heath AK; Kim IY; Hodge AM; English DR; Muller DC · International journal of environmental research and public health · 2019
    Systematic review84 studies pooledGeneral Health forVitamin D
  35. Meta-analysis of long-term vitamin D supplementation on overall mortality.
    Zheng Y; Zhu J; Zhou M; Cui L; Yao W; Liu Y · PloS one · 2014
    Meta-analysis42 studies pooledGeneral Health forVitamin D
  36. Vitamin D supplementation to prevent acute respiratory infections: individual participant data meta-analysis.
    Martineau AR; Jolliffe DA; Greenberg L; Aloia JF; Bergman P; Dubnov-Raz G; Esposito S; Ganmaa D; Ginde AA; Goodall EC; Grant CC; Janssens W; Jensen ME; Kerley CP; Laaksi I; Manaseki-Holland S; Mauger D; Murdoch DR; Neale R; Rees JR; Simpson S; Stelmach I; Trilok Kumar G; Urashima M; Camargo CA; Griffiths CJ; Hooper RL · Health technology assessment (Winchester, England) · 2020
    Meta-analysis11,321 participants25 studies pooledImmunity forVitamin D
  37. Association Between Vitamin D and Influenza: Meta-Analysis and Systematic Review of Randomized Controlled Trials.
    Zhu Z; Zhu X; Gu L; Zhan Y; Chen L; Li X · Frontiers in nutrition · 2022
    Meta-analysis4,859 participants10 studies pooledImmunity forVitamin D
  38. Vitamin D3 and deconvoluting a rash.
    Ernst MK; Evans ST; Techner JM; Rothbaum RM; Christensen LF; Onay UV; Biyashev D; Demczuk MM; Nguyen CV; Honda KS; McCormick TS; Tsoi LC; Gudjonsson JE; Cooper KD; Lu KQ · JCI insight · 2023
    Randomized trial28 participantsImmunity forVitamin D
  39. Effect of vitamin D3 supplementation on cellular immunity and inflammatory markers in COVID-19 patients admitted to the ICU.
    Bychinin MV; Klypa TV; Mandel IA; Yusubalieva GM; Baklaushev VP; Kolyshkina NA; Troitsky AV · Scientific reports · 2022
    Randomized trial110 participantsImmunity forVitamin D
  40. 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.
    Anitua E; Tierno R; Alkhraisat MH · Clinical nutrition (Edinburgh, Scotland) · 2022
    Meta-analysis50,554 participants65 studies pooledImmunity forVitamin D
  41. Association between plasma 25-OH vitamin D and testosterone levels in men.
    Nimptsch K; Platz EA; Willett WC; Giovannucci E · Clinical endocrinology · 2012
    Case-control study1,362 participantsTestosterone Support forVitamin D
  42. Causal Link Between Vitamin D and Total Testosterone in Men: A Mendelian Randomization Analysis.
    Chen C; Zhai H; Cheng J; Weng P; Chen Y; Li Q; Wang C; Xia F; Wang N; Lu Y · The Journal of clinical endocrinology and metabolism · 2020
    Other4,254 participantsTestosterone Support forVitamin D