Vitamin D gets all the attention — but it has a partner that helps it do its job. Here's the quick guide to why we pair vitamin K2 with D3 in one capsule.
Why vitamin D3 and K2 for women over 40
D3 helps your body absorb calcium; K2 (as MK-7) helps direct that calcium toward your bones, where you want it. Together they support normal bone density and healthy calcium use, plus everyday immune support — quiet foundations that matter more as we get older.
Third-party tested every batch, made in the USA.
Learn more: Vitamin K2/D3+ — third-party tested, every batch. Want the details? Read Why Vitamin K2 and D3 Work Better Together.
How Much D3 and K2 Do You Actually Need?
Many women over 40 benefit from 1,000–2,000 IU of D3 daily alongside 90–120 mcg of K2 (as MK-7), though individual needs vary — a blood test is the most reliable way to know your D3 status specifically.
Why MK-7 Instead of MK-4?
MK-7 stays active in the bloodstream longer than MK-4, supporting calcium use through the day from a single dose rather than requiring multiple doses.
Who Should Talk to a Doctor Before Taking K2?
Anyone on blood-thinning medication should check with their doctor first, since vitamin K plays a role in blood clotting and can interact with those medications.
The 60 seconds, written out
If you would rather read than watch, the video makes three points. First, vitamin D3 is the absorber: it helps your body take calcium in from food. Second, vitamin K2 is the traffic director: it helps that calcium go to your bones rather than settling in soft tissue where you do not want it. Third, because both vitamins are fat-soluble, they work best taken together with a meal that has a little fat, which is why they sit in one capsule and why breakfast or lunch is the easiest habit. The form of K2 matters too: MK-7 stays active longer than MK-4, so one daily capsule covers the day. As with any fat-soluble vitamin, follow the label rather than adding extra, and ask your doctor before starting if you take blood thinners.
Frequently asked questions about vitamin K2 and D3
What does the video explain?
In about a minute it covers the calcium connection: D3 helps you absorb calcium, and K2 helps direct it to your bones. That is the reason the two belong in one capsule.
Should I take Vitamin K2/D3+ with food?
Yes. Both vitamins are fat-soluble, so a meal with a little fat helps absorption. Breakfast or lunch is the easiest anchor.
Can I take it if I already get sun?
Sun exposure supports vitamin D but varies a lot by season, skin and latitude, and it supplies no K2. A blood test is the only way to know your D level for certain.
Is one capsule a day enough?
Vitamin K2/D3+ is one capsule per serving, with the D3 and K2 amounts shown on the label. Follow the label directions and ask your doctor before taking more.
Does it pair with magnesium?
Yes. Magnesium is involved in activating vitamin D, so an evening Magnesium Glycinate+ alongside a morning K2/D3 is a common foundation.
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. Individual results vary.

