Overview for health professionals of dietary supplements and COVID-19. Research evidence, safety, and use here.| ods.od.nih.gov
This external Web site provides additional information that is consistent with the intended purpose of the ODS Web site; however, the external Web site is subject to change beyond ODS's control.| ods.od.nih.gov
Zinc helps the immune system and helps make proteins and DNA. Learn how much you need, good sources, deficiency symptoms, and health effects here.| ods.od.nih.gov