Take control of your health with

ProLon 5-Day Fast
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scientifically tested
How does ProLon® work?
ProLon® is unlike any other fasting program. Known as a Fasting-Mimicking Diet, it provides nutritional meals while maintaining the fasting state, providing many of the benefits of a water only fast.

What makes ProLon so special? Simply put, the science. It’s based on over 20 years of scientific research sponsored by the National Institute of Health and the USC Longevity Institute.

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ProLon: The fasting plan that lets you eat

ProLon is unlike any other fasting nutrition program.

  • Precision nutrition gives you essential nutrients but doesn't activate your body's food sensing system
  • Based on over 20 years of scientific research funded by such institutions as the National Institutes of Health
  • You are essentially fasting with food

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ProLon Benefits


ProLon supports the body’s natural process of cellular clean-up, triggered when it’s in a prolonged fasting state.

Weight Loss

ProLon has been tested to help people lose an average of 5.7 lbs. of fat and 1.6 inches of waist circumference, while preserving lean body mass.*

*Benefits seen in a clinical study of the 5-day ProLon cycle once a month for three consecutive months. 


ProLon is gluten-free and uses primarily plant-based ingredients like olives, vegetables, fruit, nuts, and more.


ProLon meals come in 5 easy, ready-to-eat boxes with a variety of delicious options.

Great Taste

ProLon was created in collaboration with top food scientists and chefs to provide delicious Fasting Mimicking meals.

Precision Nutrition

ProLon uses a rigorous, scientifically tested method to provide nutrition that doesn’t break your fast.

The only clinically tested
fasting diet

  • 5 convenient grab-and-go boxes
  • Helps maintain a healthy weight
  • Supports cellular cleanup
  • Full nutritional support while fasting
  • Clinical Trial participants lost an average of 2.5kg and 4 cm off their waist circumference

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