1. Drink one glass of water every hour. It will make you feel full. 2. Drink ice cold water. Your body will burn calories just getting the water to a normal temperature to digest. Also it is great for your complexion. 3. Drink 3 cups of green tea daily. It will help boost your metabolism, plus its anti-oxidants make your skin look great. 4. Take vitamins daily. 5. Eat spicy foods. They raise your metabolism. 6. Take cold showers because your body will burn calories to heat you back up.