🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

1 Drop(s) Serving Size
900 Servings
Vitamin Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Calories
Total Fat
(1% DV)
Cholesterol
50 mcg (250% DV)
📊 3.3× RDA — above typical dose (UL: 0.1 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.05mg UL 0.1mg

Other Ingredients

Olive Oil

Label Claims — Verification

Nutrient
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) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, take one drop by mouth daily or use as directed by your healthcare professional.

⚠️ Warnings & Precautions

Children and pregnant or lactating women should consult their healthcare professional prior to use.

Children and pregnant or lactating women should consult their healthcare professional prior to use.

Keep out of reach of children.

🧪 Formulation Notes

Optimal Vitamin D provides natural vitamin D3 in a great-tasting, pure olive oil base. Just one drop contains 2,000 IU vitamin D3!

Does Not Contain: Milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soy, gluten, GMO, or artificial preservatives.

Additional Information

Storage: Store in a cool, dry place away from direct sunlight.

Physician Formulated

Optimal Vitamin D Drops Meets or Exceeds cGMP Standards.

Product Details

UPC / SKU 7 93573 76983 1
DSLD Entry Date 2020-01-25
Product Type Vitamin
Form Liquid
DSLD ID 211060
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
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014
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
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011
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
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
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009
View all evidence for Vitamin D →

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