Prevention of covid-19 and other acute respiratory infections with cod liver oil supplementation, a low dose vitamin D supplement: quadruple blinded, randomised placebo controlled trial
Sonja Hjellegjerde Brunvoll, Anders Benteson Nygaard, Merete Ellingjord-Dale, Petter Holland, Mette Istre, Karl Trygve Kalleberg +9 more
BMJ
Abstract
ClinicalTrials.gov NCT04609423.
Concepts
PlaceboMedicineClinical endpointInternal medicineVitamin D and neurologyConfidence intervalRandomized controlled trialGastroenterology