Haylie has created her line of supplements that are compatible with the Fast Metabolism Diet, as well as her other diet plans. Please see our online store website. Keep in mind that fats and oils are to be avoided in Phase 1 and Phase 1 of the Fast Metabolism Diet, and that would include oils taken as supplements. Also, please be sure to check with your health care provider for questions regarding supplements you are thinking of taking. We do not suggest discontinuing any supplements that your health care provider has advised you to take without consulting with them first.