Eucalyptus oil is discussed for its potential to stimulate the innate immune system and its use in Vicks VapoRub. It is important to note that eucalyptus oil should not be ingested.
"The speakers discuss a study showing that eucalyptus oil can stimulate phagocytosis and its presence as a main ingredient in Vicks VapoRub. They also warn against ingesting eucalyptus oil."