Prolon Fasting Mimicking Diet

The kit contains five day-labeled boxes with plant-based soups, nut bars, drinks, herbal teas, olives, crackers, supplements, and the proprietary L-Drink. ProLon's instructions describe gradually returning to a normal diet from Day 7. ([ProLon five-day diet](https://prolonlife.com/pages/the-prolon-diet))

No. ProLon is a low-calorie plant-based program designed to mimic some fasting signals while still providing food and liquids. It is a five-day fasting-mimicking diet, not a zero-calorie water fast. ([ProLon program information](https://prolon.co.uk/pages/fasting-mimicking-diet))

People who are pregnant or breastfeeding, underweight, managing diabetes, taking glucose-affecting medicine, or dealing with an eating disorder should seek medical advice first. ProLon itself distinguishes general consumer use from its clinical-supervision option for people managing chronic conditions.

The program is associated with biogerontologist Valter Longo and L-Nutra, the company behind ProLon. ProLon states that its fasting-mimicking program is backed by more than 25 years of research and 41 or more clinical trials, but that does not guarantee the same result for every person. ([L-Nutra research overview](https://www.fastingmimickingdiet.com/))