The best pre-workout supplements help power you through your workout without leaving you jittery. Here, a registered dietitian tested 12 popular options to find which ones came out on top.

Fitness fans can grab the Myprotein Impact Pre-Workout in Orange, Mango & Passionfruit flavour £7.95 (34% off) the perfect boost to power through workouts with focus and energy.

Fitness fans can grab the Myprotein Impact Pre-Workout in Orange, Mango & Passionfruit flavour £7.95 (34% off) the perfect boost to power through workouts with focus and energy.

Fitness fans can grab the Myprotein Impact Pre-Workout in Orange, Mango & Passionfruit flavour £7.95 (34% off) the perfect boost to power through workouts with focus and energy.

Fitness fans can grab the Myprotein Impact Pre-Workout in Orange, Mango & Passionfruit flavour £7.95 (34% off) the perfect boost to power through workouts with focus and energy.

Fitness fans can grab the Myprotein Impact Pre-Workout in Orange, Mango & Passionfruit flavour £7.95 (34% off) the perfect boost to power through workouts with focus and energy. For natural immune ...

Fitness fans can grab the Myprotein Impact Pre-Workout in Orange, Mango & Passionfruit flavour £7.95 (34% off) the perfect boost to power through workouts with focus and energy.

Fitness fans can grab the Myprotein Impact Pre-Workout in Orange, Mango & Passionfruit flavour £7.95 (34% off) the perfect boost to power through workouts with focus and energy.