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Fasting Bar

Intermittent Fasting Bar is the only nutrition bar you can eat during your fasting window without taking you out of a fasting state.

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Based on the nutrition technology of Fasting Mimicking Nutrition, and with over 20 years of research, scientists studied how unique blends of macronutrients and micronutrients could be consumed without kicking your body out of a fasting state.

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Clinically tested & developed to not break your fast
20+ year of science & research
Plant-based protein
Gluten-free, Soy-free, Dairy-Free
Keto friendly
Low Glycemic Index

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HSA/FSA Eligible

Buy this with your HSA/FSA. Look for our sticker on eligible items!

Learn how to pay with HSA/FSA

Get the Prolon promo code

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The discount: 25% off

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How to get it: Enter code THRIVE2025 at checkout to save 25%

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About the brand

Prolon

Reset your body, rejuvenate your cells—in five days

The most powerful changes come from within. That is the science-backed principle at the heart of Prolon.The Prolon 5-Day Fasting Mimicking Diet is a patented and scientifically-backed program that activates cellular clean-up pathways while allowing you to eat.  Over five days, you’ll eat precisely formulated meals that help your body enter a rejuvenating state called autophagy. This program helps you clear out cellular waste, lose weight while protecting muscle mass, and support your overall health while nourishing your body.

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