ProLon® is a 5-day dietary program carefully designed to nourish and rejuvenate your body while supporting metabolic balance. The ProLon FastingMimicking Diet® gives many of the benefits of a fast while letting you eat delicious food to help fight hunger and lose weight while protecting lean body mass. Get a trimmer waistline and many of the associated benefits of fasting without requiring ongoing lifestyle changes, such as long-term dieting.* Give your body on-going support to maintain healthy levels of blood glucose, systolic blood pressure, and cholesterol. You will also get the benefits of cell-based renewal for rejuvenation from within with benefits like more energy, focus, and a trimmer waistline.