The effects of slow metabolism stretch beyond impeding weight loss. It can cause high cholesterol, high blood pressure, high blood sugar, and chronic fatigue. There are many different kinds of metabolism support pills on the market, as well as pills and a myriad of other products to help you lose weight. Each of these come with their own problems: Do they work? What are the side effects? To avoid the guesswork, we recommend you try CBD for weight loss. When you decide to do so, there are two important things to consider.