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

KRISTIN KIRKPATRICK

Sunday, August 2 - Saturday, August 8

Cleveland-based celebrity dietitian Kristin is a well-known and respected coach, best-selling author, and works at the prestigious Cleveland Clinic. She’s had many TV appearances, including on The Today Show and the Dr. Oz show.

Daily zoom calls at 8am PDT

REGISTER NOW

CYNTHIA SASS

Sunday, August 9 - Saturday, August 15

Cynthia Sass is a three-time New York Times best-selling author and well-known dietitian. She’s been a nutrition consultant for five professional sports teams and has counseled Oscar, Grammy, and Emmy winners. She’s appeared on The Today Show, Good Morning America, The Doctors, and many others.

Daily zoom calls at 10am PDT

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!

Prolon 5-Day Fasting
Mimicking Diet

Starting at

Program Overview & Benefits

Activates autophagy and cellular renewal
Targets fat-focused weight loss while protecting muscle
Supports metabolic health and resets metabolism
Improves energy and mental clarity

What's Included

5 daily boxes — each pre-portioned, no prep needed
Plant-based soups, nut bars & snacks
L-Drink for muscle protection
Supplements & herbal teas included

Nutrition Facts

Day 1: ~1,100 kcal · Days 2–5: 700–800 kcal
Contains tree nuts (almonds, macadamia, pecans, coconut)
May contain soy

View full Nutrition Facts

Shipping Info

Free shipping on all continental US orders over $200
Ships in 3–5 business days
HSA/FSA eligible — pay with Sika Health at checkout

Plant-Based Gluten-Free Non-GMO Dairy-Free

Clinically Studied Patented & peer-reviewed — backed by 25+ years of research

Choose your flavor:

Original Bold Flavors Expanded Variety Next Gen — Classic powdered soups — mix, heat, enjoy — New bold soup flavors like Curry & Ginger — Mix of soups, bars & shake — Ready-to-eat organic soups (premium)

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