Surprising food that slow down your metabolism is whole grain, peanut butter and canola oil. These food is caused inflammation digestive, hormone imbalance and shut down your body’s fat-burning potential. For example, whole grain have gluten that block your body absorbing certain mineral. So you should eat sprouted grain or coconut flour instead because it make your body is able to absorb all those nutrients that support metabolism. Beside you should eat almond butter instead of peanut butter because peanut butter is been linked to hormone issue but almond butter contains amino acid that can increase human growth hormone. In addition to help your body strengthen muscle and burn body fat.t.