Natural Testosterone boosters: There are several vitamins, herbs and minerals which are known to enhance testosterone levels. Test Factor X Magnesium and Zinc boost testosterone levels. There are number of natural; occurring elements which can be supplemented with our daily diet to act as a natural testosterone booster. Benefits of Testosterone Booster: There are certain benefits to taking these supplements like weight reduction, increased muscle growth and increased muscle repair. These boosters also increase overall strength and vigor and endurance.