Recently, the IOM made a modest increase in the RDA for vitamin D and doubled the upper limit (UL). Yes, with all the research out there, you would have thought they would have set the levels higher. The committee felt that the media has raised public expectations and physicians have been using... [More]

You may have seen a story in the news recently about the “big” changes in vitamin D recommendations pumped out by the prestigious Institute of Medicine… In summary, they concluded that the majority of people in North America, from age 1 to 70, now “require 600 IU&rsquo... [More]

Recently, I got the below post from Dr. Tina Kaczor in response to the blog spot Vitamin K, Osteocalcin and Bone Health. It prompted me to devote a brand new blog spot to vitamin K and more! Read on… [More]

It is becoming increasingly clear that individuals taking large doses of vitamin D need to get their vitamin K levels checked or risk serious consequences. [More]

A conversation around a recent paper titled Vitamin K treatment reduces undercarboxylated osteocalcin but does not alter bone turnover, density, or geometry in healthy postmenopausal North American women. [More]

The role of vitamin K extends well beyond the regulation of blood clotting to impact bone formation, the development of heart disease, and possibly cancer. Vitamin K is required for the carboxylation of osteocalcin (OC) which is needed to bind calcium. When vitamin K is low, OC does not get carboxyl... [More]