Food
Incorporate more protein from different sources in your diet. It helps with muscle building and reduces drop in metabolism while dieting.
Lifting heavy weights can be a great way to increase your metabolism. Do not have to go to a gym, just try lifting heaving stuff around the house.
Walking is a great way to keep your body moving and burn calories. Try to walk for at least 30 minutes a day and avoid sitting for long periods.
Drinking tea is extremely beneficial as it provides antioxidants to the body and also helps in boosting metabolism.
Most spicy food contains capsaicin which is known for boosting metabolism. However, many people cannot tolerate the spice amount required to increase their metabolism.