Maximum Strength D3 - 5000 IU
80/100
This product is generally safe
- Vitamin D3: 0.125mg is 1.2× the Tolerable Upper Intake Level (0.1mg)
- 50% of ingredients have research evidence
C
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Vitamin D3: 0.125mg is 1.2× the Tolerable Upper Intake Level (0.1mg)
Label Data
1 Tablet(s)
Serving Size
Single Vitamin and Mineral
Product Type
50%
Evidence Coverage
Supplement Facts — Evidence Check
5000 IU
(1250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.2× (UL: 0.1 mg)
📚 604 studies (Tier A: 16, B: 251)
Calcium
90 mg
(9% DV)
Other Ingredients
Cellulose
Stearic Acid
Croscarmellose Sodium
Silicon Dioxide
Magnesium Stearate
Label Claims — Verification
❓
Nutrient
❓
All Other
❓
Structure/Function
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
Product Information
📋 Directions for Use
Directions: For adults, take one (1) tablet daily, preferably with a meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.
⚠️ Warnings & Precautions
Do not exceed recommended dosage.
Keep out of reach of children.
Do not use if product appears to be tampered with or seal is broken.
🧪 Formulation Notes
Gluten free
No added sugar, yeast, preservatives or artificial flavors.
D3
Additional Information
Store at room temperature.
Unconditionally guaranteed for purity, freshness and label potency.
Made in USA
10% free
Promotes bone, immune, breast and colon health
Easy-to-swallow Smaller tablet
Product Details
DSLD Entry Date
2019-10-23
Product Type
Single Vitamin and Mineral
Form
Tablet or Pill
Brand
21st Century
DSLD ID
206765
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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