Used primarily in the treatment of depression and anxiety disorders, this compound acts as an active metabolite of venlafaxine, contributing to its therapeutic effects. It functions by inhibiting the reuptake of serotonin and norepinephrine, which helps to balance mood and reduce symptoms of mental health conditions. Additionally, it is sometimes utilized in research settings to study the pharmacokinetics and pharmacodynamics of antidepressants, aiding in the development of more effective treatments for mood disorders.