Not enough evidence that vitamin D can treat or prevent COVID-19, says NICE There is not currently enough evidence to support taking vitamin D to prevent or treat COVID-19, a new rapid evidence review by NICE has concluded. by Emma Bower Sign in to continue Sign In Email address Password Stay signed in Trouble signing in? Reset password: Click here Need help? Email us Register FREE Limited free articles a month Free email bulletins Register Now Register Now Take a 30-day trial Join MIMS now and pay nothing for the first 30 days Join GPOnline now and pay nothing for the first 30 days Sign Up Sign Up