Vitamins D3 1000 IU (25 mcg) & K2 100 mcg
Goals
$25.03 $0.27 per serving
Product analysis
Vitamins D3 1000 IU (25 mcg) & K2 100 mcg pairs nutrients that support calcium handling and normal bone function, especially when intake is low. The clearest appeal is filling those nutritional gaps.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality69
The MK-7 form of vitamin K has a favorable quality assessment. Vitamin D is identified as D3, but its form quality cannot be compared confidently here.
Ingredient Transparency100
Both vitamin amounts and forms are disclosed, making the formula easy to compare. You can identify exactly which types of vitamins D and K are included.
Value For Money69
The MK-7 serving offers favorable value. A separate value comparison for vitamin D remains uncertain.
Customer Satisfaction86
Customer feedback is very positive. The substantial number of ratings gives a broader picture of satisfaction, though reviews do not prove effectiveness.
Product Focus70
The clearest purpose is supporting ordinary bone and mineral needs, particularly when intake is low. Wider heart and longevity benefits are less certain, and an extra benefit from pairing the vitamins is not established.
- Format
Capsule - Container
- 90 Capsule(s)
- Per serving
- $0.27
- Customer rating
- 4.8 · 1,638 ratings
Goals
Impact
High effect
Vitamin D · 25 mcgVitamin K · 100 mcg
Impact
High effect
Vitamin K · 100 mcgVitamin D · 25 mcg
Impact
High effect
Vitamin K · 100 mcgVitamin D · 25 mcg
Impact
Moderate effect
Vitamin K · 100 mcgVitamin D · 25 mcg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin D3 (Cholecalciferol) | 25 mcg | |
Vitamin K2 (Menaquinone-7) | 100 mcg |
Vitamin K (Menaquinone-7) · 100 mcg OverallScore91
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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.