1,000,000+ Happy Healthy Customers
Longevity nutrition for every day—and every goal
our products and programs are designed to help you feel your best today and thrive tomorrow.
5-Day Fasting
Mimicking Diet
The only nutrition program patented for supporting longevity and protecting lean body mass through cellular rejuvenation.
Everyday longevity
nutrition
Designed from decades of longevity research— products made to sustain your results and support energy, muscle, and healthy aging.
PROLON 5-DAY FASTING MIMICKING Diet
Reset your body, rejuvenate your cells—in five days
The most powerful changes come from within. That’s the science-backed principle at the heart of Prolon’s patented 5-day program. You get the benefits of fasting while eating nourishing food.
Cellular renewal
The only patented nutrition program that triggers your body’s natural cellular cleanup process and supports longevity.
Fat loss and muscle protection
Clinically proven to target visceral fat while protecting your precious lean muscle.
Metabolic health
Supports healthy metabolic markers. 20 days of the 5-Day FMD is as effective as 120 days of the Mediterranean Diet for heart health.
Longevity and biological age
Age on your terms. Three cycles of the 5-Day FMD reverses your biological age by 2.5 years.
Recommended by thousands of
healthcare professionals
"Prolon is my first choice for patients looking for a simple and effective way to lose body fat while protecting their precious muscle mass, and to feel better overall. Cellular rejuvenation is the key to staying youthful and Prolon makes it easy."
Dr. Beverly Yates
“I love the science supporting Prolon, and I love that the science has been published in multiple peer-reviewed journals. It allows me to recommend Prolon with confidence. I have used fasting and time-restricted eating in my practice for years; Prolon augments this and takes it to the next level.”
Dr. Joel Kahn, Cardiologist
"Prolon’s 5-Day Program helps you lose visceral fat, while you preserve lean muscle mass. It’s flexible, it’s convenient, and most importantly, it’s scientifically proven, safe, and it works. And with Prolon, you’re not just losing that fat, you’re resetting your relationship with food."
Dr. Robert Lufkin
A complete system for healthy aging
By mimicking fasting states, the clinically tested FMD initiates cellular rejuvenation and targets visceral fat. It's your periodic deep clean and systemic overhaul.
Live younger. Age slower.
With three cycles of Prolon—just 15 days—you can actually reverse your biological age by 2.5 years. It’s a complete reset that enhances your healthspan, and helps you take control of how you age.
Proven benefits
Weight loss
+
Cellular renewal
+
Mental clarity
+
Skin
+
Healthy aging
+
Metabolic health
+1,000,000+ Happy Healthy Customers



















