Sodium has been assayed as a steatosis-positive inducer in HepG2 cells. Tianeptine has also been used to study effects on rats exposed to swim endurance tests (SETs). This study reported that tianeptine increased swimming time in rats undergoing SET. Moreover, tianeptine also increased total cholesterol and LDL, while triglyceride levels were decreased. Thus, tianeptine may be involved in the pathogenesis of metabolic syndrome.