Why Vitamin K2 is Essential for Strong Bones — And How to Get Enough
Kobi NathanWhen most people think about bone health, calcium and vitamin D usually come to mind first. But there’s another nutrient that's just as important — and often overlooked: Vitamin K2 .
Vitamin K2 Aids in Bone Growth
Vitamin K2 plays a crucial role in activating two proteins that are essential for bone strength: osteocalcin and matrix Gla-protein (MGP) . Once activated, osteocalcin binds calcium to your bones, helping them become denser and stronger. At the same time, MGP keeps calcium out of places it doesn’t belong — like your arteries — protecting your cardiovascular health too.
One form of Vitamin K2, known as menaquinone-7 (MK-7) , is particularly effective because it stays active in your body longer and is absorbed more efficiently than other types.
The Research Behind Vitamin K2
Recent studies show that MK-7 can:
Improve bone mineral density (BMD)
Lower the risk of fractures, especially in postmenopausal women
Activate genes that are involved in bone formation, such as bone alkaline phosphatase , osteoprotegerin , and osteopontin
In short, Vitamin K2 doesn’t just help you absorb calcium — it makes sure calcium is doing the right job in your body: building strong bones and protecting your heart.
"Vitamin K2 doesn’t just help you absorb calcium — it makes sure calcium is doing the right job in your body.”
How to Get Vitamin K2 (And Why You Might Need a Supplement)
While Vitamin K2 can be found in fermented foods like natto and certain cheeses, it’s difficult to get enough through diet alone — especially MK-7, the most beneficial form.
That’s why many people choose to supplement with a trusted source.
If you're looking for an easy, effective way to support your bone and heart health, ZnS Health's Vitamin D3 + K2 + Calcium 3-in-1 supplement is a great option.
This formula combines Vitamin D3 , MK-7 , and Calcium in the ideal ratios to:
Maximize calcium absorption
Direct calcium into your bones (not your arteries)
Strengthen your skeletal system
Support cardiovascular wellness
Plus, it’s made with high-quality, highly absorbable ingredients — so you get the most benefit with every dose.
References:
- The Importance of Vitamin K and the Combination of Vitamins K and D for Calcium Metabolism and Bone Health: A Review. Aaseth JO, Finnes TE, Askim M, Alexander J. Nutrients. 2024;16(15):2420. doi:10.3390/nu16152420.
- Efficacy of Vitamin K2 in the Prevention and Treatment of Postmenopausal Osteoporosis: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Ma ML, Ma ZJ, He YL, et al. Frontiers in Public Health. 2022;10:979649. doi:10.3389/fpubh.2022.979649.
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Efficacy and Safety of Vitamin K2 for Postmenopausal Women With Osteoporosis at a Long-Term Follow-Up: Meta-Analysis and Systematic Review. Zhou M, Han S, Zhang W, Wu D. Journal of Bone and Mineral Metabolism. 2022;40(5):763-772. doi:10.1007/s00774-022-01342-
6.