Kyle Leon Review - In diets with very low calories you will lose muscle

Kyle Leon Customized Fat Loss-  Highly undesirable effect of diets with a low calorie loss of muscle tissue. Once you incorporate a defense mechanism (the fasting), your body will do everything to save energy. Become A Muscle Builder

Muscle is metabolically active tissue. The body reduces energy by reducing the muscle tissue. This process is called "ang. Gluconeogenesis "- consumption of muscle tissue for glucose. This includes skeletal muscle, internal organs, even the heart muscle.

Studies of studies have shown that very low calorie diets cause weight loss, but of which 40-50% at the expense of muscle.
Many diets, especially those with very low calorie cause the loss of water in the body. Due to the loss of water and muscle glycogen, 75% of the whole weight loss is not fat. Introduction to Kyle Leon

Most of these diets just gives a virtual success. Even if you train, you overpower diet causes loss of muscle tissue in particular.