A healthy metabolism is the key to weight loss and to maintaining weight loss. If you are feeling more tired than usual and do not have the energy you need to get through the day, it is possible your metabolism is low. Low metabolism leads to weight gain, and it is caused by the foods you eat and not getting enough water, exercise and vitamins and nutrients in your diet. Although there are diet pills that increase metabolism and make you lose weight, it is safer, healthier and better in the long term to increase your metabolism naturally. Naturally increased metabolism will make you feel better, have more energy, and help you lose weight and maintain a healthy weight.