Why I do this
I've spent years studying what actually moves the needle on inflammation, gut health, and long-term cellular function. And one of the most powerful tools I've found isn't a supplement or a diet trend — it's giving your body a real, structured opportunity to clean house.
The 5-day simulated fasting protocol mimics the metabolic effects of a prolonged fast — but you still eat. Using a low-calorie, plant-based approach, your body shifts into a fasting state that activates deep cellular repair.
No starvation. No guesswork.
Just biology doing what it was designed to do.
Informed by research from Dr. Valter Longo, USC Longevity Institute
THE SCIENCE BEHIND IT
Research note: This protocol is informed by the work of Dr. Valter Longo and his team at the USC Longevity Institute, whose peer-reviewed research on fasting-mimicking diets has been published in leading scientific journals and funded in part by the National Institutes of Health (NIH). This page is for educational purposes only and does not constitute medical advice. Always consult your healthcare provider before beginning any fasting program.
Stem cell activity increases to support tissue repair and immune regeneration. Your body is literally rebuilding from a cleaner, stronger baseline.
Stage 03
Days 3–5
This is my favorite part. Your cells activate their built-in self-cleaning process — breaking down damaged proteins and clearing cellular waste. This is where real renewal happens.
Stage 02
Days 2–3
Your glucose stores deplete and your body shifts into fat-burning mode. Insulin drops, inflammation begins to quiet down, and your metabolism starts its reset.
Stage 01
Days 1–2
Days 1-2
Days 2-3
Days 3-5
THE MEAL KIT
I don't recommend things I haven't vetted. For this program, I use ProLon — the original fasting-mimicking meal kit developed directly from Dr. Longo's research at USC. It's the only clinically proven program of its kind, and it takes all the guesswork out of the five days.
Each kit comes with five pre-labeled day boxes, so you always know exactly what to eat and when. No meal planning. No calculations. Just follow the kit and let your body do the rest.
The only clinically proven fasting-mimicking diet kit
What's inside each kit
— Adi Barlas-Shamir, Digestive Specialist & Functional Wellness Expert
* Affiliate link — I may earn a small commission at no extra cost to you. I only share things I genuinely use and believe in.
MY PICK
Join my Fasting Group for guided support, accountability, and my personal coaching through every day of your 5-day fast. I'll be right there with you.
Educational disclaimer: The information on this page is intended for educational purposes only and does not constitute medical advice, diagnosis, or treatment. The content here is not a substitute for professional medical guidance. Please consult a qualified healthcare provider before beginning any fasting, nutrition, or wellness program. Individual results may vary.