08 Jun 2021 --- An 18 month clinical trial using NattoPharma’s MenaQ7 Vitamin is registered to kick off this September using the highest dosage of vitamin K2 as MK-7 to date: 1 mg daily. The trial will examine arterial stiffness and the occurrence of cardiovascular events in peritoneal dialysis (PD) patients with chronic kidney disease (CKD), a state of progressive vascular calcification and cardiovascular disease.