With any diet, if you exercise more calories than you take in, you will decrease fat . [But,However] these "crash" diets and low-energy diets could produce muscle loss plus the weight burned. The body could be able to optimally lose 2 lbs of body weight per week. Usually loss greater than this will be mainly muscle or water.
Another dilemma is that the metabolism slows when determining how to lose fat on these 'crash diets'. If your daily food intake is reduced dramatically, your body's basic survival instincts kick in and reduce your metabolism. Metabolism slows, your body reduces energy consumption, and hence your fat loss plan slows. Hence, ultimately less fat is burned using "crash" methods.
Plus your body loses muscle mass at the same time. Muscle uses more energy, so the larger the muscle mass you have, the more energy is used, hence the more fat is burned. So you can observe, how this type of diet gives the double blow of losing muscle and decreasing your metabolism. This is the reason why so many dieters who rely on fad diets put on the weight quite fast after having reduced it. Losing fat over time is the most reliable long-term fat plan there is.
Long-term fat loss objectives is the best method of how to lose fat. The amount of so called experts available today, advertising their new fad diets is enormous, so watch out. Each time you look on the web these days, someone is promising advice and the best new weight loss diet for weight loss.
Remember too, that there are core foods that must be part of your diet to ensure a healthy and fat loss living. It must not be overlooked that a good diet plan is a must to achieve and maintain a healthy fat loss, and general long-term health. It's been proven lots of times that a healthy body is determined by how healthy your diet is.