Vitamin D3 helps your body absorb calcium. Vitamin K2 helps guide calcium to the right places — like your bones and teeth — and supports healthy calcium regulation in the body. That’s why they’re often paired in the same supplement.

The most accurate way is a blood test for 25(OH)D. Many people in Canada are low, especially during fall and winter. Common signs of low Vitamin D can include low mood, fatigue, getting sick often, and muscle weakness — but bloodwork is the best confirmation.

If you take blood thinners (especially warfarin/Coumadin), you should speak with your healthcare provider before taking Vitamin K2, since vitamin K can affect blood clotting pathways.

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