Vitamin D-3 10,000 IU
NOW Vitamin D-3 10,000 IU is a vitamin supplement providing a high dose of Vitamin D3. Each softgel delivers 250 mcg (10,000 IU) of Vitamin D3. While this dosage is substantial, it is noted as underdosed relative to the product's potential claims or optimal absorption/utilization in the N+ analysis, suggesting that the form or other factors may limit its efficacy despite the high quantity. As a single-ingredient product, it offers complete transparency. The product received an N+ Score of 40, resulting in an 'F' grade, indicating a below-average quality assessment. This supplement may appeal to individuals seeking a very high-dose Vitamin D option, but its overall score suggests areas for improvement.
About This Product
Vitamin D-3 10,000 IU by NOW is a vitamins & minerals supplement containing 1 active ingredients. It has earned an N+ Score of 40/100 (Grade F).
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
Weaknesses
- −Several ingredients below clinically effective doses
- −Limited ingredient diversity compared to category norms
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Vitamin D3 | 250.000 mcg | Under |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.