Vitamin K is essential for blood clotting. The 2 main forms - K1 and K2 - are fat-soluble like CoQ10. CoQ10 may interfere with absorption of vitamin K. Supplementing with both could theoretically increase the risk of bleeding or bruising. However, clinical studies have not confirmed this int...
Vitamin K1 is predominantly localized to the liver, serving to carboxylate clotting factors. Vitamin K2 travels through systemic circulation, with significant and wide-ranging effects. Several studies using animal models of atherosclerosis have shown that vitamin K2 supplement can attenuate the progression...
Vitamin D3 doesn’t exist in the parts of plants fit for human consumption, with the exception of microalgae. As a result, we need to get most of it from the sun and animals (especially fatty fish). There are several versions of vitamin K (including K1) and several versions of K2 (M...
Over the years, I’ve come to realize it’s more likely my patient will have vitamin D deficiency than not. The vitamin D test is a simple blood test called the 25(OH)D, which can be done with your doctor or at home with a finger prick test. ...