Randomized Controlled Clinical Trial to Investigate Effects of Vitamin K2 in COVID-19

Patients will take three tablets of vitamin K2 menaquinone-7 (333mcg) per day. Patients taking vitamin K2 MK-7 will receive the total of 999mcg per day from day 1 until day 14 or discharge, whichever occurs earlier. All subjects can be treated with prophylactic or therapeutic heparin-based (heparin or any low-molecular weight heparin) anticoagulants, according to local hospital protocols. Provided by Kappa Bioscience.

Patients will take three tablets of placebo containing only inactive ingredients per day, from day 1 until day 14 or until discharge, whichever occurs first. The placebo is provided by Kappa Bioscience.