Don’t miss our amazing deals and offers which earn you cashback rewards when shopping for Slendertone. Their unique, clinically-proven abs belts use electrical muscle stimulation (EMS) technology to tone all four abdominal muscles (including the six pack), strengthen the core and improve your posture from four weeks. They also tighten and firm the tummy muscles to help reduce your waist size from eight weeks. You can shop for their clinically proven arm, bottom and face toners too, as well as replacement gel pads and accessories. For the best results combine Slendertone’s world-leading muscle toners with an active lifestyle and healthy diet.