Vitamin K2 (MK-7) 90 mcg + Vitamin D3 5,000 IU — 90 Capsules — Bone & Cardiovascular Support*
High-potency Vitamin K2 (MK-7, 90 mcg) plus Vitamin D3 (5,000 IU) to support bone density, calcium balance, and cardiovascular health. D3 aids calcium absorption; K2 activates proteins (osteocalcin, MGP) that guide calcium to bones & teeth while helping keep arteries flexible. Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, potency & purity. If you use blood-thinning medications, consult your healthcare professional.*
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. In addition, we reference reviews from leading health organizations and insights from top global universities to ensure our guidance aligns with credible science.*
Clinically Studied Benefits
✓ Bone health & calcium balance — D3 supports calcium absorption; K2 activates osteocalcin for bone mineralization.
NIH/ODS — Vitamin D
✓ Arterial elasticity / vascular health (MK-7) — 3-year RCT in healthy postmenopausal women: MK-7 improved measures of arterial stiffness and reduced inactive MGP.
NIH/PubMed — Knapen, 2015
✓ Bone strength indices (MK-7) — Multi-year RCTs show favorable effects on BMD-related strength measures in postmenopausal women.
NIH/PubMed — Knapen, 2013
✓ Immune support (D3; greatest when low) — Individual-participant meta-analysis: vitamin D reduced acute respiratory infection risk, with largest benefit in deficient individuals.
NIH/PubMed — Martineau, 2017
✓ Vascular calcification markers (K-dependent proteins) — Human data show K2 lowers dp-ucMGP (inactive MGP), a biomarker linked with arterial stiffness.
NIH/PubMed — Vossen, 2017
Additional / Promising Evidence
✓ Dental mineralization (K-dependent proteins) — Human-focused evidence links K-activated proteins with tooth mineralization; interventional data are emerging.
NIH/PubMed — Maresz, 2020
✓ Falls & muscle function (D3; mixed) — Reviews indicate context-dependent effects, with benefit most likely in deficient older adults.
NIH/PubMed — Gillespie, 2011
✓ Metabolic health (D & K; heterogeneous) — Human studies explore insulin sensitivity and glucose markers; results vary by baseline status and dosing.
NIH/PubMed — Manna, 2019
University / Academic Context
✓ Maastricht University — Vascular elasticity (MK-7) — 3-year double-blind RCT: MK-7 improved carotid–femoral pulse-wave velocity and lowered inactive MGP.
NIH/PubMed — Knapen, 2015
✓ Maastricht University — Bone strength indices (MK-7) — 3-year RCT attenuated age-related decline in bone strength measures.
NIH/PubMed — Knapen, 2013
✓ Erasmus University (Rotterdam Study) — CHD risk & aortic calcification (dietary K2) — Prospective cohort: higher K2 intake associated with lower CHD risk and less aortic calcification.
NIH/PubMed — Geleijnse, 2004
Global Evidence & Reviews
✓ NIH ODS — Vitamins D & K — Health-professional monographs on roles, intakes, interactions, and safety.
NIH/ODS — Vitamin D
✓ Balanced context (concise, non-scary) — Evidence is strongest in individuals with low vitamin D status and for K-responsive markers (dp-ucMGP). Use as directed; consult your clinician if you take anticoagulants.
NIH/NCCIH — Vitamin D
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
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Vitamin K2 (MK-7) — Activates osteocalcin and matrix Gla protein (MGP) to support bone mineralization and vascular elasticity. (NIH/ODS — Vitamin K)
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Vitamin D3 — Supports intestinal calcium absorption and immune function; benefits are strongest when levels are low. (NIH/ODS — Vitamin D)
Brief Benefit Bullets
- Supports bone density & healthy calcium absorption (D3) and utilization (K2)*
- Supports cardiovascular health & arterial elasticity (K2, MK-7)*
- Supports immune function, especially when vitamin D is low*
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3rd-party lab tested for identity, potency & purity
Suggested Use
Take 1 capsule daily with a meal containing healthy fats for absorption. If you take blood-thinning medications or have a medical condition, consult your healthcare professional.*
Product Specifications
• Serving Size — 1 Capsule
• Actives — Vitamin K2 (MK-7) 90 mcg; Vitamin D3 5,000 IU
• Servings Per Container — 90
• Form — Capsules
• Free From — Non-GMO, gluten-free, soy-free; vegetarian-friendly*
• Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Vitamin K2 (MK-7) + D3 for bone density, calcium balance & arterial elasticity — Clinically Studied Ingredients — NIH/PubMed!*
