Product analysis
D3 125 mcg + K2 100 mcg supplies vitamins involved in normal bone and mineral functions, with the clearest value when intake is low. The simple two-nutrient format makes its main purpose easy to understand.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality66
Vitamin K uses the favorably regarded MK-7 form. Vitamin D is named, but there is not enough information for a confident quality comparison.
Ingredient Transparency80
Both nutrient amounts and forms are listed. Some preparation-component details remain undisclosed.
Value For Money66
The MK-7 contribution compares very favorably at the serving cost. Vitamin D value cannot be judged reliably from the available price comparison.
Customer Satisfaction94
Customer feedback is very positive. Tens of thousands of ratings give a broad picture of buyer satisfaction.
Product Focus77
Two nutrients keep the formula centered on mineral-related functions. Bone and arterial findings for vitamin K remain limited, and the higher vitamin D amount does not establish extra benefit.
- Format
Softgel - Container
- 60 Softgel(s)
- Per serving
- $0.39
- Also available
Vitamin D3 + K2$44.97- Customer rating
- 4.8 · 25,345 ratings
Goals
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin D3 (Cholecalciferol, VegaDELight) | 125 mcg | |
Vitamin K2 (Menaquinone-7) | 100 mcg |
How this ingredient is rated
Active Ingredient Quality & Bioavailability82
Vitamin K Form (MK-7 vs. MK-4 vs. K1)
MK-7 Isomer Disclosure
Dose, Safety & Label Transparency100
Vitamin K2 (MK-7) Dosage Efficacy
Form and Subtype Transparency
Value100
Price per Effective MK-7 Serving
Alternative products
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.