GRAPEFRUIT NARINGIN is a dietary supplement containing naringin, an ingredient found in grapefruit. Action: Naringin is an inhibitor of the CYP3A4 isoenzyme. Which means that it can affect the metabolism of some drugs and dietary supplements, increasing their concentration in the blood. Benefits for athletes: Some studies suggest that naringin may have a positive effect on fat metabolism and an increase in anabolic hormone levels, which may contribute to muscle development and strength.

Dosage: 50 to 300 mg per day.