Vitamins D and K
Life Extension Vitamins D and K supports bone and cardiovascular health. This supplement provides essential Vitamin D3, Vitamin K1, and two forms of Vitamin K2 for comprehensive nutrient delivery. Ideal for adults seeking to maintain bone density and arterial health.
About This Product
Vitamins D and K by Life Extension is a vitamins & minerals supplement containing 4 active ingredients. It has earned an N+ Score of 78/100 (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 K, Vitamin D3, Vitamin K2 and 1 more.
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
- +4 ingredient(s) at clinical dose levels
Weaknesses
- −No major weaknesses identified
Ingredient Analysis (4 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Vitamin K | 600.000 mcg | Optimal |
| Vitamin D3 | 3000.000 IU | Optimal |
| Vitamin K2 | 100.000 mcg | Optimal |
| Vitamin K1 | 500.000 mcg | Optimal |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





