The calcium traffic cop.
Yes. D increases calcium absorption, and K2 tells that calcium where to go. They're a team.
MK-7 stays in your body much longer, so you only need one daily dose. It's the form with the best research for bone and heart health.
It's tough. You'd have to eat a lot of natto (fermented soybeans) or specific aged cheeses. A supplement is far more practical.
Click through to the studies bar for the evidence base.
See the dosing guide below.
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Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
Yes, take it with a meal that contains some fat. It's a fat-soluble vitamin, so this helps your body absorb it.
No. Bone and heart health matter for everyone. The mechanism works the same in men.
There's no established upper limit, and it's considered very safe. But there's no benefit to mega-dosing. Stick to the 100-200mcg range.
Most research uses 180.0g daily. Below 90.0g, you're probably wasting money. Above 300.0g, no extra benefit. The curve plateaus. Safe upper limit ~ 1000.0g.
Essential partner for Vitamin D.
Fermented foods, especially natto (fermented soybeans). Also in smaller amounts in organ meats, egg yolks, and high-fat dairy from grass-fed animals.
Vitamin K2 interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.