Nope, you can buy the food (another brand) online and your own vitamins and just follow the phase sheet from the stickies. Most people list it as "alternative", but from everything I've read here you get the same results but it's WAY cheaper. Some people start on IP w/ a coach then went off on their own, and some just start on their own. You can get a box w/ 7 packs for less than $9.