•You want serious results FAST! •Just ONE 30 minute sessions of GRIT equals up to 9 hours of calorie burn. •GRIT is proven to target your fast twitch fibers to help build serious strength and power. •GRIT is proven to produce growth hormone to help you gain size or shred fat
There’s no disputing it. It’s scientifically proven that LES MILLS GRIT™ works. The HIIT training effect means you burn calories for hours after the workout, increase aerobic fitness, unleash fast-twitch muscle fibers and grow lean muscle tissue, burning fat.