Some compounds found in ginger tea can support of immune health6 by changing specific pathways in the body that cause inflammation. Ginger can also be antimicrobial properties7, which can block the growth of bacteria, fungi and viruses. According to Sauceda, this may be due to the presence of several specific compounds in ginger, such as gingerol.

Although there are not many human studies, preclinical studies have shown promising results. For example, a recent study in mice showed that certain compounds extracted from ginger root can improve the composition of the gut microbiome, leading to increased immune function8.

A 2013 test-tube study also found that fresh ginger may have antiviral effect9 against respiratory syncytial virus, a type of viral infection that causes cold-like symptoms. However, more human research is needed on the effects of ginger tea on immune function.