While there are some supplements that are recommended on this plan, you definitely do not need to purchase them for the plan to work. Think of them as bonus for those who want them.
Only the top ranking, most effective supplements are noted in the program, so you can be rest assured that any money you do spend is very well spent.
Food-wise, remember that how you grocery shop will influence the total cost of your food budget. Shopping sales, using coupons, buying generic brands, and so on will all help to bring your budget down.
The food plan doesn’t use any extremely extravagant, high-priced foods, so most people should find it fits in their budget just fine. Remember that you can make food swaps for cheaper varieties if need be.