In order to achieve weight loss in two weeks, a calorie deficit diet is useful. The diet must contain all the nutrients necessary for the body. It must be low in calories and unhealthy carbs. Additionally, an increased physical activity and changes to diet and lifestyle habits helps. Burning more calories than eating is the key to a faster and healthy weight loss. Therefore, eat less calories and work out to burn more. Stay hydrated to keep the body healthy and avoid any weakness.