Fuelin: The Adaptive Nutrition Coach for Performance-Driven Athletes
Take the guesswork out of fueling. Sync your training data from Garmin or TrainingPeaks to receive a personalized nutrition plan that adapts to your daily workout load in real-time.
Publisher
THRIVE AI LABS, INC
Category
Health & Fitness
Downloads
5K+
User Rating
4.5/5
Total Ratings
700
Locales
2
Precision Visualized
Discover the interface used by 5K+ users.
Athlete holding an energy bar with Fuelin app nutritional recommendations for a bike session.
A female cyclist wearing a helmet and sunglasses with an app overlay showing a carb-focused food recommendation and the text Personalized nutrition for training and life.
Fuelin app interface showing the traffic light system for daily performance nutrition and carb management
Fuelin app screen displaying personalized meal suggestions and nutritional targets for a scheduled workout
Fuelin mobile app screen displaying nutrition plan synced with workout performance data
Fuelin performance nutrition app showing AI voice meal logging and macro tracking
Fuelin app screen showing a countdown to upcoming endurance events like the New York City Marathon and IRONMAN 70.3
A smartphone screen displaying the Fuelin app dashboard with athlete training stats and a marathon countdown.
A display of fitness app icons including Garmin and TrainingPeaks showing compatibility with Fuelin.
Jan Frodeno cycling with the caption Trusted by Champions Built for Every Athlete
Elite Nutrition for the Data-Driven Athlete
The tools that make this app stand out, trusted by 5K+ users.
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Dynamic Training Integration
Sync your workouts from Garmin, TrainingPeaks, or Strava. Our adaptive engine automatically recalculates your daily intake based on your actual training load.
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Pro-Level Performance Tools
Go beyond calories with specialized sports science features like Sweat Rate Tracking and Carb Capacity Testing to ensure you never hit the wall again.
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Frictionless AI Logging
Designed for the time-crunched professional. Log meals in seconds using voice-to-text AI or barcode scanning, and get instant guidance on what to eat next.
About the app
Everything you need to know about Fuelin - Performance Nutrition.
Description
Fuel smarter, train stronger, and perform better with Fuelin — the world’s first adaptive nutrition coach built for active individuals. Whether you’re running, cycling, swimming, lifting, or training for your next big race, Fuelin tells you exactly what to eat, when to eat it, and why it matters.
Designed by world-class dietitians and trusted by thousands of athletes and fitness enthusiasts worldwide, Fuelin adapts your nutrition to your training, goals, and lifestyle — taking the guesswork out of eating for performance, health, and recovery.
How Fuelin Makes Nutrition Simple
• Fuelin builds a daily nutrition plan just for you — it automatically adjusts to your workouts. Add them to Fuelin or sync with TrainingPeaks, Final Surge, HumanGO, TriDot, RunDot, or Garmin for personalized guidance.
•Smart Meals makes it easy to know what to eat anytime, anywhere—personalized to your goals, training, and preferences.
• Logging food is simple and fast to save you time. Talk or type with our AI logger, scan a barcode, or connect MyFitnessPal and LoseIt — no more tedious tracking.
• Go beyond calories with smarter tools. Stay on top of hydration with our Sweat Rate Tracker and train your gut with Carb Capacity Testing.
• Gain real nutrition skills. Learn portion control, supplement use, and energy balance through in-app lessons and videos designed to build lasting healthy habits.
Why Fuelin?
• Proven results. Thousands have discovered they can recover faster, lose weight, gain muscle, feel healthier, and have more energy for both daily life and race day.
• Simple and personalized. No generic diet rules here. Fuelin adapts every single day to your training, goals, and body. Designed to incorporate your RMR, FTP, and other key performance inputs.
• Takes out the guesswork. Save time and remove the anxiety of fueling. Fuelin gives you trusted advice so you can fuel with confidence.
• Personalized nutrition and fueling guidance for every sport and race you take on. From running, trail running, cycling, swimming, rowing, sailing, and skiing, to squash, tennis, pickleball, HYROX, CrossFit, marathons, half marathons, triathlons, Gran Fondos, century rides, gravel cycling, criteriums, IRONMAN 140.6 and 70.3, and more — Fuelin adapts your fueling to match your training and goals.
What our members are saying about Fuelin:
"Fuelin is the daily companion to take the guess work out of nutrition that I wish I had earlier in my career.” - Jan Frodeno (3x IRONMAN World Champ)"
"Fuelin has helped me nail my nutrition, not only for my sport, but for my overall health. This app is a game-changer for endurance athletes!" - Colleen Baker (Gravel Cyclist)
"Helps me build awareness and healthy habits, removing the worry and helping me keep on track!" - Rob Castaneda (Age Group Triathlete)
"Before finding Fuelin I wasn't aware that a system existed that could accurately account for my training on a day to day basis based on the training my coaches set for me. It just takes the guesswork out of the whole process and has empowered me to properly fuel my body. I've felt increased energy, better recovery and more consistency. Also, practicing my race nutrition in training has led to greater confidence in my plan and becomes more second nature so that I can make sure l hit it in a race.” - Holly Lawrence (Pro Triathlete)
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Medical Disclaimer: Seek a doctor’s advice in addition to using this app and before making any medical decisions
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
U.S. Barcode Food Database Powered by FatSecret: https://fatsecret.com
International Barcode Food Database Powered by Open Food Facts: https://openfoodfacts.org
Latest Version
2.1.9
Size
126.5 MB
First Released
Oct 12, 2021
Stop Guessing. Start Performing.
Join thousands of data-driven athletes using Fuelin to optimize every workout, recovery, and race day. Your next PR starts with how you fuel—download the app today.
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