$44.97 $0.37 per serving
Product analysis
Vitamin D3 + K2 supplies nutrients involved in normal bone and mineral health, especially when intake is low. The MK-7 form offers a clearly defined vitamin K choice, though combining the vitamins does not establish an added benefit.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality66
Vitamin K is supplied as the well-supported MK-7 form. Vitamin D is identified as D3, but there is not enough information for a complete comparison of its quality.
Ingredient Transparency80
Both vitamin amounts and forms are disclosed, making basic comparisons straightforward. The vitamin D combination lacks proportion details, limiting a more precise breakdown.
Value For Money44
Vitamin K offers moderate value at the serving price. Vitamin D’s separate value remains uncertain, preventing a firm judgment of the whole combination.
Customer Satisfaction94
Very positive customer feedback is supported by a large number of ratings. Those impressions do not establish better bone or cardiovascular outcomes.
Product Focus76
The clearest purpose is supporting normal bone and mineral nutrition when intake is inadequate. Extra heart benefits, slower aging and added benefits from combining D and K remain unestablished.
- Format
Softgel - Container
- 60 Softgel(s)
- Per serving
- $0.37
- Also available
D3 125 mcg + K2 100 mcg$23.95- Customer rating
- 4.8 · 25,035 ratings
Goals
Impact
Highest effect
Vitamin K · 100 mcgVitamin D · 125 mcg
Impact
High effect
Vitamin K · 100 mcgVitamin D · 125 mcg
Impact
Highest effect
Vitamin D · 125 mcgVitamin K · 100 mcg
Impact
High effect
Vitamin K · 100 mcgVitamin D · 125 mcg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin D (Cholecalciferol, Vitamin D3) | 125 mcg | |
Vitamin K (Menaquinone-7) | 100 mcg |
Vitamin K (Menaquinone-7) · 100 mcg OverallScore83
The serving provides 100 mcg of K2 as MK-7 at a high cost. The MK-7 isomer is unspecified.
How this ingredient is rated
Active Ingredient Quality & Bioavailability82
Vitamin K2 as MK-7 remains in the bloodstream longer than other forms. The MK-7 isomer is not specified as trans or all-trans.
Vitamin K Form (MK-7 vs. MK-4 vs. K1)
Vitamin K2 as MK-7 remains in the bloodstream longer than other forms.
MK-7 Isomer Disclosure
The MK-7 isomer is not specified as trans or all-trans.
Dose, Safety & Label Transparency100
The serving provides 100 mcg of MK-7. The amount and MK-7 source are stated.
Vitamin K2 (MK-7) Dosage Efficacy
The serving provides 100 mcg of MK-7.
Form and Subtype Transparency
The amount and MK-7 source are stated.
Value50
The cost per serving is high.
Price per Effective MK-7 Serving
The cost per serving is high.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Pregnancy vitamin D supplementation and offspring bone mineral density in childhood follow-up of a randomized controlled trial.
- Vitamin D analogs and bone: preclinical and clinical studies with eldecalcitol.
- Efficacy of vitamin D fortified foods on bone mineral density and serum bone biomarkers: A systematic review and meta-analysis of interventional studies.
- Cholecalciferol Supplementation Attenuates Bone Loss in Incident Kidney Transplant Recipients: A Prespecified Secondary Endpoint Analysis of a Randomized Controlled Trial.
- Vitamin D supplementation and bone health in post-menopausal women: a 24-month randomized controlled intervention with enhanced bioavailability formulations.
- Vitamin K and the prevention of fractures: systematic review and meta-analysis of randomized controlled trials.
- Three-year low-dose menaquinone-7 supplementation helps decrease bone loss in healthy postmenopausal women.
- Effect of combined administration of vitamin D3 and vitamin K2 on bone mineral density of the lumbar spine in postmenopausal women with osteoporosis.
- Efficacy and safety of vitamin K2 for postmenopausal women with osteoporosis at a long-term follow-up: meta-analysis and systematic review.
- Low-dose vitamin K2 (MK-4) supplementation for 12 months improves bone metabolism and prevents forearm bone loss in postmenopausal Japanese women.
- Comparative Efficacy of Nutraceuticals on Endothelial Function: A Systematic Review and Network Meta-Analysis.
- A Randomized Trial of Vitamin D Supplementation on Vascular Function in CKD.
- Randomized, placebo-controlled, double-blind clinical trial on the contributions of vitamin D in the control of cardiovascular risk factors, depressive symptoms and suicide risk.
- Dose responses of vitamin D3 supplementation on arterial stiffness in overweight African Americans with vitamin D deficiency: A placebo controlled randomized trial.
- Paricalcitol and endothelial function in chronic kidney disease trial.
- Vitamin K Intake and Atherosclerotic Cardiovascular Disease in the Danish Diet Cancer and Health Study.
- Menaquinone-7 supplementation improves arterial stiffness in healthy postmenopausal women. A double-blind randomised clinical trial.
- Effects of One-Year Menaquinone-7 Supplementation on Vascular Stiffness and Blood Pressure in Post-Menopausal Women.
- Dietary Vitamin K1 Intake and Incident Aortic Valve Stenosis.
- Association between vitamin K1 intake and mortality in the Danish Diet, Cancer, and Health cohort.