Vitamin D+K with Vitamin C
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 67% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
1 Capsule(s)
Serving Size
100
Servings
Vitamin
Product Type
67%
Evidence Coverage
Supplement Facts — Evidence Check
500 IU
(125% DV)
✅ Within RDA (0.8× RDA of 0.015 mg)
📚 604 studies (Tier A: 16, B: 251)
225 mcg
(281% DV)
✅ 1.9× RDA — within safe limits
📚 273 studies (Tier A: 9, B: 175)
Vitamin C
250 mg
(417% DV)
Other Ingredients
Gelatin Capsules
Rice Flour
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)
Product Information
📋 Directions for Use
Suggested use: Take 1 capsule, 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, especially blood thinners, 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
Made in USA
Leader in purity Established by Dr. Clark's Family in 1993
Quality Assured GMP
Store in a cool, dry place.
Product Details
UPC / SKU
6 52384 10517 0
DSLD Entry Date
2020-03-24
Product Type
Vitamin
Form
Capsule
Brand
Dr. Clark Store
DSLD ID
215850
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
A
Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
A
The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
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