Vitamin D Formula
GNC Vitamin D Formula is a focused supplement containing 5 ingredients, primarily centered around Vitamin D3. The product delivers Vitamin D3 at a clinically studied dosage of 2000IU per serving, which research suggests may support bone health and immune function. It has an N+ Score of 79, resulting in a B- grade, indicating a good quality supplement with transparent ingredient labeling. No underdosed ingredients were noted in this formulation. This product may be ideal for individuals looking to increase their Vitamin D intake, particularly those with insufficient levels or seeking general bone and immune support.
About This Product
Vitamin D Formula by GNC is a vitamins & minerals supplement containing 5 active ingredients. It has earned an N+ Score of 79/100 (Grade B-).
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
- −No major weaknesses identified
Ingredient Analysis (5 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Calories | 10.000 {Calories} | N/A |
| Total Fat | 1.000 g | N/A |
| Vitamin D3 | 2000.000 IU | Optimal |
| Calories from Fat | 10.000 {Calories} | N/A |
| Milk Basic Protein | 40.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.
