“Although we are not aware of good data on the effects of nutritional supplements on risk or severity of COVID-19, existing evidence indicates that supplements of several nutrients can reduce risk or severity of some viral infections, particularly among people with inadequate dietary sources. Therefore, prudence suggests that inadequate intakes of essential minerals and vitamins be avoided at this time, and supplements can help fill some gaps”

Ask the Expert: The role of diet and nutritional supplements during COVID-19