Take 5 Daily

A Thorne Magazine

A low level of vitamin D is linked to various health risks. This at-home blood test will provide health insights by measuring your level of vitamin D. Results include a personalized health plan.

This is the story of vitamin D and vitamin K2, two vitamins that provide powerful support for your body’s bones, heart, and immune function.*


Stephen Phipps, ND, PhD Thorne Staff, U.S.
Thorne Thorne, U.S.
Sheena Smith, MS, MA Thorne Staff, U.S.