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Liquid Vitamin D3 Drops 1000 IU Natural Citrus Flavor

Bluebonnet
4.9
★ ★ ★ ★ ★
(5397 ratings)
Vitamin D 1000 IU
Product Image
Score88
Transparent, flexible 1,000 IU D3 drops offer strong maintenance value. Confirm drop size, carrier, and storage details on the bottle.
How scoring works
Quantity:1 Liquid(s) • (900 servings)
Goals:
Immunity
General Health
Anti-Aging
Anti-Inflammatory Support
Energy
Testosterone Support

Score 88

Transparent, flexible 1,000 IU D3 drops offer strong maintenance value. Confirm drop size, carrier, and storage details on the bottle.
How scoring works

Also available as

3 options
400.00IU • 1 Liquid(s) servings D 400 IU • 1 Liquid(s) • 900 servings $10.20 ($0.01 per serving) 2000.00IU • 1 Liquid(s) servings D 2000 IU • 1 Liquid(s) • 900 servings $20.76 ($0.02 per serving) 5000.00IU • 1 Liquid(s) servings D 5000 IU • 1 Liquid(s) • 900 servings $25.56 ($0.02 per serving)
$9.20($0.01 per serving)
Daily Vita
$ 16.76
Vitacost
$ 16.76
iHerb
$ 16.76
Pure Formulas
$ 16.76
Amazon
$ 16.76
Daily Vita
$ 9.20
Report prices

Analysis

Lanolin-derived cholecalciferol supplies a useful 1,000 IU maintenance amount in liquid drops. Both the vitamin form and raw source are clearly identified.

The drop format works well for people who avoid pills and can make adjustments when the label gives precise instructions. Careful counting matters because a concentrated bottle can make accidental extra drops easy.

The very large serving count and low serving cost are major advantages. The supplied information does not include carrier oil, citrus-flavor composition, storage directions, or independent quality verification.

Who is it for
  • Adults seeking 1,000 IU of D3
  • People who prefer liquid dosing
  • Users comfortable with lanolin-derived vitamin D
Best for
  • Routine maintenance
  • Pill-free supplementation
  • Long-term household value

Pros

  • Uses cholecalciferol
  • Discloses lanolin sourcing
  • Provides a practical maintenance amount
  • Offers excellent cost efficiency

Cons

  • Carrier oil is not identified
  • Flavoring details are unavailable
  • Liquid dosing needs careful measurement
  • Independent verification is not listed

Warnings

  • Use the exact labeled number of drops and do not estimate the serving by sight.
  • Include vitamin D from other supplements when calculating the daily total.
  • High blood calcium, kidney stones, or use of thiazide diuretics or digoxin warrant individualized guidance before adding vitamin D.

Nutrient quality

92 Highest impact

Lanolin-derived vitamin D3 is a well-regarded and absorbable form in a flexible liquid format. The vitamin D amount fits common maintenance use.

.

Ingredient transparency

85 Highest impact

Every listed active has a specific amount. A complete excipient and carrier list is not available in the supplied data.

.

Customer satisfaction

77 High impact

The average rating is very strong. The large rating volume provides a reliable satisfaction signal.

.

Value for money

98 Highest impact

The supply provides excellent value per effective serving. The formula is not inflated by low-value extras.

.
Report analysis

Goals

Immunity
Immunity
Impact
Highest effect
A Goal FitA Strength of SupportC+ CoverageA+ Formula Quality
Vitamin D · 1000 IU

Vitamin D3 directly supports immune-cell regulation at a practical maintenance amount. Lanolin sourcing and liquid-drop delivery provide useful form transparency.

The single nutrient offers no antioxidant, zinc-dependent, or mucosal immune coverage. Its focused design still provides dependable depth for people specifically addressing vitamin D intake.

Study evidence
Vitamin D Supportive 85 studies
General Health
General Health
Impact
Highest effect
A+ Goal FitA Strength of SupportC CoverageA+ Formula Quality
Vitamin D · 1000 IU

Lanolin-derived vitamin D3 in liquid drops provides a well-supported foundational nutrient for bone and immune health. The maintenance-level serving is clearly disclosed and easy to adjust.

Focused vitamin D support can help address a common nutrient gap but does not cover other daily wellness needs. The provided data do not disclose independent certification or complete inactive ingredients.

Study evidence
Vitamin D Supportive 115 studies
Anti-Aging
Anti-Aging
Impact
High effect
B- Goal FitA- Strength of SupportD+ CoverageA+ Formula Quality
Vitamin D · 1000 IU

Vitamin D3 provides foundational support for bone, muscle, and immune function as people age. Its role is important when vitamin D status is low, but it does not directly address multiple cellular aging pathways.

A 1000 IU drop is suitable for routine maintenance for many adults, and the lanolin source is clearly disclosed. The focused liquid formula offers good depth for vitamin D support without broader mitochondrial or antioxidant coverage.

Study evidence
Vitamin D Supportive 50 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
B+ Goal FitB+ Strength of SupportD- CoverageA+ Formula Quality
Vitamin D · 1000 IU

Vitamin D3 has an established immunomodulatory role relevant to inflammatory balance. The amount is useful for routine nutritional support but not a high repletion dose.

The modest amount is best suited to foundational status support rather than broad or acute anti-inflammatory action. The single-ingredient liquid has a clear purpose.

Study evidence
Vitamin D Supportive 101 studies
Energy
Energy
Impact
High effect
B- Goal FitA- Strength of SupportD- CoverageA+ Formula Quality
Vitamin D · 1000 IU

Vitamin D may improve fatigue and muscle function when low status is the underlying problem, but it does not create acute energy in people with adequate levels. The 1,000 IU D3 amount is clearly supplied in a liquid drop.

The single-vitamin formula is focused but covers only a deficiency-related mitochondrial pathway. The maintenance amount is generally conservative, though testing helps determine whether vitamin D is the cause of fatigue.

Study evidence
Vitamin D Supportive 32 studies
Testosterone Support
Testosterone Support
Impact
High effect
C+ Goal FitB- Strength of SupportD+ CoverageA Formula Quality
Vitamin D · 1000 IU

Vitamin D provides a relevant route to testosterone support. Dose or form uncertainty limits confidence in the practical contribution.

The formula remains narrow rather than comprehensive. Liquid Vitamin D3 Drops 1000 IU Natural Citrus Flavor is best viewed as targeted support rather than proof of a clinical benefit.

Study evidence
Vitamin D Supportive 56 studies

Ingredients

IngredientAmount per serving
Vitamin D3 (Lanolin)
 1000 IU
Gluten Free Adults 18–50 Kosher Dairy Free Sugar Free
Report overview
Vitamin D (Lanolin) · 1000 IU OverallScore82
A+ Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyA+ Value

D3 from disclosed lanolin in liquid drops offers strong form, delivery, and source transparency. The amount suits routine maintenance for many adults without moving into a high-dose range. Cost efficiency is excellent, but qualifying independent certification and complete additive details are not disclosed.

View ingredientView products
Loading alternative details
87 Performance

D3 1000 IU

Nature Made
<p>A focused formula supplies 1000 IU of cholecalciferol without unrelated active ingredients. 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>
87 Performance

Vitamin D-3 1000 IU

NOW
<p>A focused formula supplies 1000 IU of lanolin-derived vitamin D3 without unrelated active ingredients. 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

D3 Supplement 1000 IU

Spring Valley
<p>A focused formula supplies 1000 IU of cholecalciferol without unrelated active ingredients. 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 Budget

Liquid Vitamin D3 Drops 400 IU Natural Citrus Flavor

Bluebonnet
<p>A liquid formula supplies 400 IU of lanolin-derived vitamin D3, a modest amount that may fit low-dose needs but may be insufficient for many adults. It does not cost less per serving; the eligible pool cannot provide three lower-cost choices from distinct brands, and it 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 does not cost less per serving; the eligible pool cannot provide three lower-cost choices from distinct brands, and it uses a higher vitamin D amount, so suitability depends more heavily on measured status and professional guidance.</p>
82 Budget

D3 Supplement 400 IU

Spring Valley
<p>A focused formula supplies 400 IU of cholecalciferol, a modest amount that may fit low-dose needs but may be insufficient for many adults. It does not cost less per serving; the eligible pool cannot provide three lower-cost choices from distinct brands, and it uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
85 Value

D3 1000 IU

Nature Made
<p>A focused formula supplies 1000 IU of cholecalciferol without unrelated active ingredients. Its focused formula and dose alignment support practical value, although it does not undercut the original’s serving cost and closely matches the original’s listed vitamin D amount.</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. Its focused formula and dose alignment support practical value, although it does not undercut the original’s serving cost and uses a higher vitamin D amount, so suitability depends more heavily on measured status and professional guidance.</p>
86 Value

Vitamin D-3 2000 IU

Source Naturals Wellness
<p>A focused formula supplies 2000 IU of cholecalciferol without unrelated active ingredients. Its focused formula and dose alignment support practical value, although it does not undercut the original’s serving cost and uses a higher vitamin D amount, so suitability depends more heavily on measured status and professional guidance.</p>
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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