Vitamin D3 1000 IU

product on market Softgel Capsule Dr. Clark Store 🟢 Safety: 100/100
Brand: Dr. Clark Store
🟢 100/100

This product looks safe

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

Product Label

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Label Data

1 Softgel(s) Serving Size
100 Servings
Vitamin Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

1000 IU (250% DV)
✅ 1.7× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.025mg UL 0.1mg

Other Ingredients

Softgel Capsule extra virgin Olive Oil

Label Claims — Verification

❓ All Other
All Other (99% of products) Structure/Function (85% of products) Nutrient (70% of products) Approved Health (4% of products)

Target Groups

Adult (18 - 50 Years)

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.

Product Details

UPC / SKU 6 52384 10515 6
DSLD Entry Date 2020-03-24
Product Type Vitamin
Form Softgel Capsule
Brand Dr. Clark Store
DSLD ID 215853
Data Updated 2026-04-11

Research Evidence

872 Research Sources
53 Avg Quality Score
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 Cochrane
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
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 Cochrane
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
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 Cochrane
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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