Home/ Supplements/ Vitamin D/ Vitamin D3 1000 IU

Vitamin D3 1000 IU

product on market Liquid Dr. Clark Store Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Vitamin D3 is supported by strong evidence for maintaining bone health and supporting immune function. Research indicates it facilitates calcium absorption in the gut. This ingredient profile is generally recognized as safe for daily supplementation at this dosage.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Vitamin D3 1000 IU
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Drop(s)
Serving Size
850
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1000 IU (250% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)

Other Ingredients

Extra Virgin Olive Oil Medium Chain Triglyceride
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Take 1 drop, preferably with a meal containing fat, or as directed by a healthcare professional. Shake before use.

Warnings & Precautions

Keep away from children.

Warning: If pregnant, nursing or taking any medications, consult your doctor before use.

Test vitamin D levels before taking this product. If any adverse reactions occur, immediately stop using this product and consult your doctor. If safety seal is damaged or missing, do not use.

Additional Information

Store at room temperature.

Customer Service toll free: (866) DR-CLARK (372-5275)

Made in USA

Metadata

Product Details

UPC / SKU6 52384 10510 1
DSLD Entry Date2024-05-23
Product TypeVitamin
FormLiquid
BrandDr. Clark Store
DSLD ID313181
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
309
Meta Analysis
309
Clinical Trial
111
Rct
71
Systematic Review
55
Guideline
4
Cochrane Review
4
Regulatory Source
2
Other
2
Narrative Review
2
Observational
1
Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
View all evidence for Vitamin D →
Compare

Similar Products

Liquid Vitamin D3
Bronson · Liquid
100
Vitamin D3 2,000 IU Liquid Emulsion
Life Extension · Liquid
100
Liquid Vitamin D3/K2
HoltraCeuticals · Liquid
100
Vitamin D3 Drops
Healthy For Life · Liquid
100
Bio-D-Mulsion
Biotics Research Corporation · Liquid
100
View all Vitamin D products →
Vitamin D research Best Vitamin D All Vitamin D products More from Dr. Clark Store View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.