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Vitamin D3 1000 IU

product on market Softgel Capsule 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. This ingredient helps the body absorb calcium and regulates mineral homeostasis. Research indicates it is generally safe for most individuals when taken 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 Softgel(s)
Serving Size
100
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

Softgel Capsule extra virgin Olive Oil
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

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

Warnings & Precautions

Keep away from children

Warning: If you are 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 seal under cap is damaged or missing, do not use.

Formulation Notes

Our products don't contain flow agents like magnesium stearate. Not now, not ever.

Additional Information

Store in a cool, dry place.

Made in USA

Leader in purity Established by Dr. Clark's Family in 1993

Quality Assured GMP

Company does not adopt any Dr. Clark claims.

Metadata

Product Details

UPC / SKU6 52384 10515 6
DSLD Entry Date2020-03-24
Product TypeVitamin
FormSoftgel Capsule
BrandDr. Clark Store
DSLD ID215853
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 →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.