Vitamin K2 & D3

Explore Vitamin K2D3 Supplements

Support bone health and calcium absorption*

Vitamin K supports bone health and helps regulate calcium in the body. Shop supplements featuring vitamin K in formats that fit your daily routine.*

1 product

Why youtheory®

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Backed by Science

We are committed to providing the highest quality supplements with proven ingredients
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Transparent Labelling

We don't hide behind proprietary blends, we trace our ingredients back to the source
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Committed to Quality

Our products are rigorously tested for purity & potency

Vitamin K

Learn what vitamin K is, how it works with vitamin D3 to support bone health, and how to choose the right supplement.*

Get the guide