For more healthy eating and fitness tips for P90X, TurboFire, Insanity – visit us at mysymfitness.com For full details on David’s P90X Nutrition plan that I used to lose 37lbs of fat in 6 months, check out our website. Kate shows us P90X Foods from Costo that help with healthy eating. These are some of the best foods from Costco at a great price. Best of all, they are P90X, TurboFire, Insanity, Master Your Metabolism approved. We use these in our P90X Diet.