Leptin helps you fast with confidence, eat with intention, and move in harmony with your body's natural rhythms.
"The lifestyle between eating and fasting"
Leptin is more than a fasting timer. It's a complete approach to understanding and optimizing your metabolic health.
Track your fasts through 8 metabolic phases, from post-meal to deep ketosis. Understand what's happening in your body at each stage with personalized guidance.
Break your fast with intention. Get guidance on what to eat, what to avoid, and simple meal templates that support your metabolic health goals.
Exercise suggestions tailored to your fasting state. From gentle walks during extended fasts to energizing workouts when you're fueled.
Your personal AI coach explains what's happening in your body, answers questions, and provides calm, evidence-informed guidance without judgment.
Track your progress with weekly and monthly patterns. See your average fast length, streaks, and discover your natural metabolic rhythm.
Take Leptin with you. Our iOS and Android apps keep you connected to your metabolic health journey wherever you go.
Your body goes through distinct metabolic phases during a fast. Leptin helps you understand and navigate each one.
Begin your metabolic health journey in three simple steps
Sign up for free and set your profile. Tell us about your goals and we'll personalize your experience.
Begin tracking your fasting journey. We'll guide you through each phase with helpful insights and tips.
Use the Coach, track your patterns, and discover the eating and fasting rhythm that works for your life.
We believe in balance, not extremes. Leptin is designed with a calm, non-judgmental approach that helps you understand your body without shame or hardcore diet culture. We provide evidence-informed guidance while always respecting that you know your body best.
Join thousands who are discovering the lifestyle between eating and fasting.
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