Boost your success—join a coach-led fasting group
Reset and rejuvenate together. When you purchase Prolon, you automatically receive personalized group support from a health coach at no extra cost.
During Days 1-5 of your Fasting Mimicking Diet (FMD), you’ll join a fasting community with a coach who guides you every step of the way with daily tips, Zoom calls, Q&A sessions, and more! There is also a special session on Day 6 to help you smoothly transition back to regular eating and maximize your results.
Be sure to order your Prolon kit at least 10 business days in advance of your fasting week to ensure timely delivery.
Here's the schedule:

Sunday: Prep day zoom call
Monday - Friday: Daily tips, Q&A, education, zoom call
Saturday: Transition day zoom call

Can't make a call? We send zoom recordings each day.

Order Prolon, choose your date, & register.

Already have your kit? Just pick your dates and sign up!

ORDER PROLON
REGISTERED DIETITIAN-LED WEBINAR SERIES
Join our team of Registered Dietitians for a free educational webinar series designed to help you build sustainable habits, improve metabolic health, and gain practical tools for long-term wellness. Each session combines the latest research with actionable strategies you can implement right away.
Webinars are every Wednesday at 11 AM PT / 2 PM ET
LINDSEY GREY, MS, RDN, LDN, CDCES
Wednesday, July 22, 2026 · 11 AM PT / 2 PM ET
Exercise for Insulin Sensitivity
Summary coming soon.
REGISTER NOW
KATELYN MCINTOSH, RD
Wednesday, July 29, 2026 · 11 AM PT / 2 PM ET
Protein Optimization & Healthy Aging
Unravel the latest longevity research hiding behind one of nutrition's most debated macronutrients: protein.
REGISTER NOW
ASHLEY BIZZELL, RD, LDN, CDCES
Wednesday, August 5, 2026 · 11 AM PT / 2 PM ET
FMD and Diabetes Remission
Discover how strategic cycles of the Fasting Mimicking Diet work at the cellular level to drive diabetes remission.
REGISTER NOW
NICOLE GRANT, RD, LDN
Wednesday, August 12, 2026 · 11 AM PT / 2 PM ET
Beyond the Scale: Defining Success at L-Nutra Health (LNH)
Success isn't just about the number on the scale. Join us to explore the many ways progress shows up at LNH and learn how to measure what truly matters for your long-term health.
REGISTER NOW

95% of people successfully complete their first Prolon cycle when doing it in a group setting!

Why Join a Coach-Led Fasting Group?
Fasting with a group isn’t just more enjoyable—it’s more effective! With support from your coach and fellow fasters, you’ll stay motivated and encouraged to finish strong and stick with your healthy habits long after the fast.
What to expect during your week
Daily guidance and support

Learn exactly what your body is experiencing during each phase of the fast, with step-by-step guidance and tips.

Daily zoom calls

Participate in coach-led video sessions each day, complete with Q&A to answer your questions. Can’t join live? Recordings are available!

Live chat

Live chat with your coach and fellow fasters throughout the daily zoom call. You'll have all your questions answered each day.

Healthy eating tips for after Prolon

Receive advice for transitioning back to regular eating on Day 6 and beyond to maximize your results.

Could fasting together help you both live longer?

Read the latest article on the benefits of fasting with a friend!

READ MORE
4.4
1M+ Happy Healthy Customers

Prolon 5-Day Fasting
Mimicking Diet

Starting at
A patented, science-backed program that keeps your body in a fasting state while allowing you to eat nourishing foods. Over five days, your body is rejuvenated at the cellular level, supporting longevity and unlocking powerful health benefits including:
Fat loss with muscle protection

Cellular rejuvenation

Improved relationship with food

Renewed energy and mental clarity 

A complete body reset
What’s inside the box?

The Prolon FMD includes everything you need for your five days of renewal. Just follow the meal guide and eat and drink what’s in each day’s box. The foods in each box are designed to nourish your body while staying below nutrient sensing pathways, so you stay in a fasting state, and get all the benefits of fasting. Learn more about what’s inside each kit below.

HSA/FSA eligible

Pay for your Prolon purchase with qualifying HSA/FSA funds.

Programs like health savings accounts (HSA) and flexible spending accounts (FSA) enable individuals to allocate pre-tax money for qualified healthcare expenses. Prolon has partnered with Sika, allowing customers to use their HSA/FSA funds to purchase our science backed products.

  • Choose pay with Sika at checkout or learn more here.

ADD THE ESSENTIALS:

Prolon Longevity Protein - Prolon Life

L-Protein

26g of plant-based protein

$42.50 $50.00
Fasting Bar - Prolon Life

Fasting Bar

Nourish your body and fast for longer

$33.99 $39.99
1 - Day Reset - Prolon Life

1-Day Reset

A complete day of fasting nutrition

$33.99 $39.99