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THE SCIENCE BEHIND LES MILLS GRIT™
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. But don’t take our word for it.
Rapidly improve strength
Increase lean muscle
Set new fitness goals – then smash them!
Put your metabolism into overdrive, burning calories for hours after the workout
Forget hours of training – 30 minutes is all it takes