Live Longer. Feel Better Now!

Biological Age Reversal

1,000,000+ Happy Healthy Customers

Longevity nutrition for every day—and every goal

From deep cellular renewal and daily longevity nutrition to guided nutrition therapy, our products and programs are designed to help you feel your best today and thrive tomorrow.
5-Day Fasting <br> Mimicking Diet

5-Day Fasting
Mimicking Diet

The only nutrition program patented for supporting longevity and protecting lean body mass through cellular rejuvenation.

Everyday longevity <br> nutrition

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

From the pioneers in longevity science

Prolon is the only nutrition program patented for supporting longevity, healthspan, and protecting lean body mass through cellular rejuvenation.

25+

Years of scientific research

Decades of studies on longevity and nutrition

47

Clinical
trials

Conducted with world-leading institutions

18

Leading research institutions

Including USC, Stanford, Mayo Clinic, and more

200+

Pending or issued patents

For optimizing longevity and healthspan

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.

Our approach to daily nutrition is grounded in decades of longevity research. These are products that support healthspan and make it easier to eat for longevity, every day.

Live younger.  Age slower.

2 years 1 year years 0.0

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

Grounded in decades of research, Prolon delivers real benefits that help you improve your health today and extend your healthspan tomorrow.
Weight loss

Weight loss

+

Weight loss is about more than the number on the scale. Unlike extreme diets and drugs, Prolon helps you lose the weight you want to lose—visceral fat—while protecting your lean muscle.

Cellular renewal

Cellular renewal

+

The Prolon FMD is the only nutrition program clinically proven to kickstart autophagy, your body’s natural cellular rejuvenation process. This means your cells function as younger versions of themselves, slowing aging, and resetting your body.

Mental clarity

Mental clarity

+

20 days of Prolon is as effective as 120 days of the Mediterranean diet on heart health, and supports healthy cardiometabolic markers. Learn about our Metabolic Reset Program (link)

Skin 

Skin 

+

The Prolon 5-Day FMD can increase skin hydration and give you a more radiant complexion. It’s skincare from the inside out.

Healthy aging

Healthy aging

+

Prolon is the only nutrition program patented for supporting longevity through cellular renewal. Research shows that three consecutive monthly cycles of the Prolon FMD can reduce your biological age by 2.5 years.

Metabolic health

Metabolic health

+

20 days of Prolon is as effective as 120 days of the Mediterranean diet on heart health, and supports healthy cardiometabolic markers. Learn about our guided Weight and Metabolic Wellness program.  

FEATURED IN

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1,000,000+ Happy Healthy Customers

Backed by science, loved by users

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“It works—weight management, energy, and mental clarity.”

- Zaree

Verified user

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"I lost 5 pounds my first round and felt amazing."

- Amy

Verified user

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"Love it and recommend over GLP-1 shots."

- Tracy

Verified user