This Nordic Naturals softgel pairs a full 4,000 IU of **Vitamin D3** with 180 mcg of **Vitamin K2**, both dosed near the top of their clinical ranges for bone strength and heart health. Two softgels deliver the complete daily dose, so you're getting a full, well-formulated amount rather than a token sprinkle you'd have to compensate for.

These two work as a genuine team. The D3 helps your gut absorb calcium, while the K2 directs that calcium into your bones instead of your arteries, so together they support bone density and keep your cardiovascular system clear. The K2 here is the MK-7 form, which stays active in your body for days rather than the few hours of shorter-acting forms, so a single daily dose holds your levels steady. Both vitamins also feed into immune function and dental health.

One thing to keep in mind: 4,000 IU sits right at the established daily upper limit for long-term vitamin D intake. That's a strong dose for correcting low blood levels or getting through a low-sun winter, but if you also take a multivitamin or other D-containing products, you'll want to count this toward your daily total. The olive oil base helps both fat-soluble vitamins absorb.