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Vitamin D3 and K2 Supplementation

The appropriate amount of Vitamin K2 to take with Vitamin D3 for general health and specific medical conditions.

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Jan 26, 2026
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How much K2 should be taken with 25mcg of D3?

A reasonable and commonly cited K2 target when taking 25 µg (1,000 IU) of vitamin D3 falls within a broad but evidence-backed window: many practitioners and product makers pair about 45–200 µg of K2 d...