THE PROLON COLLECTION
Prolon Varieties
Clinically-studied, plant-based nutrition for fasting, longevity and everyday wellness. Find the program that fits your goals — from a gentle 1-day reset to the full 5-day Fasting Mimicking Diet.

Prolon Original 5-day Anti-aging & weightloss program
ProLon is a 5-day Longevity, Anti-aging & Weight-loss program, backed by clinical studies from 18 globa...

Prolon Next Gen 5-Day Anti-aging & Weightloss Program!
Built on the same trusted science as the original Prolon 5-Day Program, Prolon Next Gen offers the same tra...

Fast Bar - Intermittent Fasting Bars
Intermittent Fasting Bar is the only nutrition bar you can eat during your fasting window without taking yo...

Fasting Shake
For morning skippers: If you've waited a while after waking up to eat, add this shake to your morning drin...

Plant-based Protein
Formulated with 25g of complete, plant-based amino acids to support muscle synthesis and repair while also ...

1-Day Reset - Pack of 3
The 1-Day Reset uses the same nutrition technology as the 5-Day Fasting Mimicking Diet. A patented, precise...
BACKED BY 25+ YEARS OF RESEARCH
Fasting with food, made simple
ProLon's Fasting Mimicking Diet® is clinically studied to give your body the benefits of fasting — cellular renewal, healthy aging and weight management — all while you eat.
Find your ProLon
Start with the 1-Day Reset — a gentle, full-day fast to see how your body responds, without the commitment.
The 5-Day Fasting Mimicking Diet® is our flagship program for cellular renewal, healthy aging and weight management.
Add a Fasting Shake or Plant-based Protein for clean nutrition that keeps you in a fasting, fat-burning state.
Fast Bars are the perfect fasting-friendly snack for busy days and travel.




★★★★★ 1,000,000+ Happy Healthy Customers
Loved by a community of fasters
It works — weight management, energy, and mental clarity.
– Zaree
✔ Verified Reviewer
I lost 5 pounds my first round and felt amazing.
– Amy
✔ Verified Reviewer
The easiest way to start fasting — and it actually tastes great.
– Jordan
✔ Verified Reviewer
My go-to for busy mornings and travel.
– Sam
✔ Verified Reviewer










