The patented 5 Day Fasting Mimicking Diet™, or FMD, is proven to reduce excess fat, promote longevity, overall health, helps reset insulin sensitivity, and increases stem cell activity. The discovery of stem cell production through a sustained fast is one of the single most important breakthroughs in medicine in the past decade, and now they have made it easy to actually do a sustained fast through the consumption of Prolon. The FMD is the first meal program made with healthy natural ingredients that someone consumes for five days – but is not recognized by the body as food. This keeps the body in a fasting mode. In simple terms, it is fasting with food. This nutritional breakthrough was scientifically developed and clinically tested at the Longevity Institute at the University of Southern California, led by Dr. Valter Longo, who is considered by many to be the global leader in nutrition and aging. The outcome satisfaction and improvements patients can expect are: fat loss – not muscle, cardiovascular health, cognitive health, joint and bone health, GI health, athletic performance, and metabolic syndrome.