Medically reviewed by Karina Tolentino, RD Vitamin K deficiency is rare. This vitamin is made naturally by bacteria in the ...

Emerging evidence suggests that adequate vitamin K levels might support cognitive health, particularly as we age. In fact, a 2022 study found that having a higher brain concentration of MK4, a form of ...

The researchers discovered that the fully reduced form of vitamin K acts as an ... Vitamin D Deficiency Can Lead to Dementia June 14, 2022 — Dementia is one of the major causes of disability and ...