D3-10,000 IU
This 21st Century D3-10,000 IU product is a single vitamin and mineral supplement primarily focused on Vitamin D3. It provides a substantial 10,000 IU of Vitamin D3, a dosage that research suggests may support bone health and immune function. The product also includes 57mg of Calcium, which is underdosed when considering typical daily requirements. With an N+ Score of 55 and a grade of 'F', its overall quality assessment is average, primarily due to limited ingredient diversity beyond the high-dose Vitamin D3. This supplement is transparent with its labeling, making it clear what you are consuming. It may be suitable for individuals specifically seeking a high-potency Vitamin D3 supplement.
About This Product
D3-10,000 IU by 21st Century is a joint & bone supplement containing 2 active ingredients. It has earned an N+ Score of 55/100 (Grade F).
Notable clinical-dose ingredients include Vitamin D3.
N+ Score Breakdown
Are key ingredients present at clinically effective doses based on research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- +Fully transparent label with individual ingredient amounts disclosed
- +1 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (2 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Calcium | 57.000 mg | Under |
| Vitamin D3 | 10000.000 IU | Optimal |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.
