Reset &
Rejuvenate

Take a break from mindless eating, high-calorie diets, sugar, and carbs with a 5-day fasting nutrition program.

Take 5 days to a better you!

START YOUR JOURNEY TODAY

Reset &
Rejuvenate

Take a break from mindless eating, high-calorie diets, sugar, and carbs with a 5-day fasting nutrition program.

Take 5 days to a better you!

START YOUR JOURNEY TODAY

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 Fasting Mimicking Diet

ProLon Benefits

Rejuvenate

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. 

Plant-Based

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

Convenient

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 reset
you seek, fast.

ProLon is designed to unlock the deepest level of fasting over a 5-day period, yielding profound benefits like weight loss, lean mass preservation, and cellular rejuvenation.

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Day
5
Day
1

Transforming to a
fasting state

The body transitions to a fasting state & fat-burning mode, and begins preparation for cellular clean-up.

Day
2
Day
1
Day
2

Fat Burning
& Ketogenesis

Fat-burning ramps up, contributing to the initiation of ketogenesis (ketone production). By the end of this day (48 hrs), ketosis may occur.

Day
3
Day
2
Day
3

Autophagy
Clean Up State

Cellular clean-up (autophagy) begins. Fat-burning and ketone production/utilization continues and increases.

Day
4
Day
3
Day
4

Cellular
Rejuvenation

Cellular cleaning/renewal & fat-burning continues. You’re in the final stretch!

Day
5
Day
4
Day
5

Renewal
& Change

Fast completed, cellular renewal continues beyond Day 5.

Day
1

Hear what the ProLon community has to say

The ProLon Community

Results may not be typical and vary. In a clinical study, ProLon was shown over three cycles to help individuals lose an average of 5.7 pounds and 1.6 inches off their waist circumference.

The best fasting product out there.
...I felt renewed and ready to continue my journey to a healthier me.

This was my first 5 day.
I was amazed about how I was rarely hungry and how much energy I had.*
*Most ProLon users report increased entergy after completion of their fast.

Round 2 please.
What a wonderful plan and support team. 
I was nervous and a little skeptical but am so glad I made the decision to try this. 
I can’t wait to start my second one..

The only scientifically tested fasting nutrition program

ProLon is the first and only clinically tested, doctor-recommended fasting meal program.

  • Patented nutrition program backed by 20 years and $34 million in research & development
  • Developed by Dr. Longo at The Longevity Institute
  • Clinically tested
  • Inspired by Nobel Prize-winning science

Order now