COVID Symptom Study app in the U.K., the United States, and Sweden. The participants answered questions about their regular use of dietary supplements.The app users also reported results from COVID-19 tests and whether they had experienced symptoms of the illness. “Our research is an observational study and not a clinical trial, so we can’t make strong recommendations based on the data we have,” cautions senior researcher Dr.
Cristina Menni, of the School of Life Course Sciences, at King’s. Stay informed with live updates on the current COVID-19 outbreak and visit our coronavirus hub for more advice on prevention and treatment.“Until we have further evidence about the role of supplements from randomized controlled trials, we recommend.