Oystercal-D Calcium 500 mg With Vitamin D3
Nature's Bounty Oystercal-D Calcium 500 mg with Vitamin D3 supports bone health. This supplement provides essential calcium for bone density and Vitamin D3 for calcium absorption. Suitable for adults seeking to maintain strong bones.
About This Product
Oystercal-D Calcium 500 mg With Vitamin D3 by Nature's Bounty is a joint & bone supplement containing 2 active ingredients. It has earned an N+ Score of 64/100 (Grade D).
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 D, Calcium.
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
- +2 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (2 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Vitamin D | 400.000 IU | Adequate |
| Calcium | 500.000 mg | Optimal |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





