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]

Amino Acids may not be something you think of that can be a problem with a patient because you think to yourself that most Americans eat plenty of protein... [video] [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]

Question: How much vitamin D should you take?  Answer: First find out how much you have. The new research on the prevalence of vitamin D deficiency and insufficiency in children ages one to 21 was alarming, especially because inadequate vitamin D levels in childhood can increase your r... [More]