The ProLon Fasting Mimicking Diet is the first and only meal program that has gone through clinical trials at the University of Southern California and been patented for its healthy-aging effects! This 5-day meal program provides scientifically researched micro- and macro-nutrients in precise quantities and combinations that nourish you, but are not recognized as food by your body and therefore mimics a fasting state! The ProLon Fasting Mimicking Diet is your secret to fasting – with real and delicious food. Join the health trend of fasting without going hungry!