Vitamin D3
Pfizer Vitamin D3 is a single-ingredient vitamin supplement, delivering 1000IU of Vitamin D3 per softgel. This dosage of Vitamin D3 is considered to be at a clinically studied level, commonly used to support bone health and immune function. The product achieved an N+ Score of 75, earning a C+ grade, signifying a good quality product with high ingredient adequacy and full label transparency. As a focused single-ingredient supplement, its formula completeness is rated at 50%. This supplement is suitable for individuals aiming to supplement their Vitamin D intake with a well-dosed and transparent option.
About This Product
Vitamin D3 by Pfizer is a vitamins & minerals supplement containing 1 active ingredients. It has earned an N+ Score of 75/100 (Grade C+).
This product features a fully transparent label with individual ingredient amounts disclosed, and key ingredients are present at clinically effective doses based on peer-reviewed research.
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
- +Key ingredients at clinically effective doses
- +Fully transparent label with individual ingredient amounts disclosed
- +1 ingredient(s) at clinical dose levels
Weaknesses
- −Limited ingredient diversity compared to category norms
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Vitamin D3 | 1000.000 IU | Optimal |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.