Vitamin K1 mainly supports blood clotting.
K2 plays a different role - helping direct calcium to your bones, not your arteries.

Vitamin D is mostly found in fatty fish and fortified foods. K2 is rare in most diets and mainly found in fermented foods like natto.
Many people - especially in the Nordics - don’t get enough through food alone.

Sunlight helps your skin produce vitamin D, but most people don’t make enough - especially if you stay indoors, use sunscreen, or have darker skin.
Even in summer, many people benefit from a consistent daily dose.

Yes - vitamin D plays a role in mood regulation and emotional well-being, especially in darker seasons.
Many people notice more stable energy and mood with daily use.

Vitamin D supports hormonal regulation, and some women find it helpful for mood swings, energy dips, and cycle-related symptoms.

Any time of day works. Most people take it with breakfast or lunch to support mood, energy, and calcium metabolism during the day.

As long as you want to maintain healthy levels. Many people take it year-round - not just in winter - to support bones, immunity, and mood consistently.

Yes. It pairs well with magnesium, omega‑3, multivitamins, and most other daily supplements.

Yes - at recommended daily doses, it’s both safe and beneficial for long-term health and prevention of deficiency.

Kids need vitamins D and K too, but in different amounts. We recommend checking with a healthcare provider to find the right product and dosage for children.

Our dose is safe for daily use. Vitamin D is fat-soluble and stored in the body, so don’t exceed the recommended dose unless directed by a healthcare provider.