P90X is unique due to it’s incredible variety, subtle complexity and amazing results-delivering system. By putting 12 different workouts in your hand and telling you exactly what to do and when, Tony Horton’s P90X will challenge your body like it’s never been challenged before with a mix of fat torching cardio routines, core work, total body resistance training, yoga, martial arts and stretching. Follow his nutrition plan, drink P90X Recovery Formula, follow the workouts, supplement with his Energy and Endurance formula, and see just how quickly your body can change. By the time you’re done with this workout you will be fitter, stronger, more agile, more flexible, better balanced and filled with vigor and vitality.

Further, Tony’s off the wall humor, wisdom, experience and motivation will keep you going long past the point you might have otherwise quit. Engaging and inspiring, his personality truly is the secret weapon behind P90X’s success, and it helps you press play every day and makes a true difference in your results.

The anaerobic zone is where your body is no longer able to deliver sufficient oxygen to your muscles so as to allow them to function aerobically. This forces your body to turn to other energy pathways to keep going, and helps your body rev up your metabolism to extreme rates of production. That’s why people who have performed the Insanity Workout have been clocked at burning almost a thousand calories in one workout!