Vitamin D3 25 mcg (1000 IU)
Solgar Vitamin D3 25 mcg (1000 IU) is a single-ingredient vitamin supplement providing 25 mcg (1000 IU) of Vitamin D3 per softgel. Vitamin D3 is widely recognized for its role in supporting bone density and immune system function. However, research indicates that this dosage of 1000 IU is often considered underdosed for individuals with significant deficiencies or for achieving optimal blood levels compared to dosages used in some clinical studies. This product earned an N+ Score of 40, receiving an F grade, which signifies a below-average rating due to the active ingredient being underdosed. While it offers 100% label transparency, its formula completeness is minimal. This supplement might be suitable for individuals seeking a low-dose daily Vitamin D maintenance.
About This Product
Vitamin D3 25 mcg (1000 IU) by Solgar 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 | 25.000 mcg | Under |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.