claim: vitamin k2 deficiency link to covid-19 not explained in new paper
evidence_1: it supports an earlier study published in april that evaluated mk-7 in 123 patients with covid-19 and 184 controls, revealing a link between vitamin k2 deficiency and disease severity.", "the researchers write: therefore, mk-7 deficiency can be a risk factor for increasing the severity of the covid-19 disease and sars-cov-2 infected patients with comorbid conditions tend to develop acute manifestations. this paper strengthens the concept that vitamin k2 as mk-7 is a nutrient with substantial ability to protect pulmonary function during an active virus.", 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  "according to the authors, a profound increase in inactive matrix gla protein (mgp) levels were observed in covid-19 patients, indicating a poor k2 status and associated increased risk of mortality from comorbidities (such as obesity, diabetes, hypertension and cardiovascular diseases).", "this is the second study that associates k2 status with outcomes in covid-19 patients.")