Trans-Methylisoeugenol is a compound with insecticidal activity isolated from Acorus calamus L. It is a natural food flavor. It is a natural food flavor with anxiolytic and antidepressant properties and moderately reversible inhibition of glutathione S-transferases (GSTs) (0.2 to 5.4 mmol for human GSTs and 0.4 to 4.9 mmol for rat GSTs).