Stop guessing
your fuelling.
Hexis builds your daily fuel plan around your training load - and updates it every time something changes. Whatever your sport.
Works with Garmin, WHOOP, and Apple Health
Used by athletes at the world's best teams
FUELLED BY HEXIS
They're not guessing their fuelling. Are you?
From grand tours to marathon finish lines - these endurance athletes know exactly how to fuel for the work required.
Hexis helps you fuel what's next - not just track what you've already done.
With Hexis
- A fuel plan built around what's coming - not what you already did
- More carbs on hard days. Fewer on easy days. Carb periodisation happens automatically
- Exactly what to eat, when to eat it, and why it matters today
- Live Energy so you always know where you stand
Without Hexis
- The same macros every day, regardless of what's in your training plan
- Cutting calories and hoping your performance doesn't suffer
- Guessing what to eat before, during, and after sessions
- Running out of fuel when it matters most
How it works
Three steps to never guessing your fuelling again.
Tell us about you
Sport, performance goals, lifestyle preferences. Two minutes, no spreadsheet.
Connect your training apps
Garmin, WHOOP, Strava, Apple Health - your sessions sync automatically.
Open the app. Your fuel plan is already there.
Exactly how to fuel, when to fuel, and why it matters - updated in real time.
Carb Codes™
Your Carb Codes™ are personalised to your training and recalculate automatically as it changes.
No manual maths, no guesswork. Just the right fuel signal for every meal, every day.
- Adapts across a 72-hour training window
- Accounts for rest days, base, threshold, and race days
- Based on the Fuel for the Work Required framework
Live adaptation
Your plan updates. Every time something changes.
Add a session. Miss a workout. Log your lunch with the barcode scanner. Hexis recalculates your Carb Codes™ immediately - so your fuel plan always reflects where you actually are, not where you planned to be.
A new session added in TrainingPeaks or Intervals.icu updates your Carb Codes™ straightaway.
Scan a barcode or search across 95 nutrients per item. Your Live Energy updates the moment you log.
Your Carb Codes™ for the rest of the day, instantly.
Carb Codes for the rest of the day update automatically. No manual recalculation needed.
"I got faster during this whole period. My power didn't drop at all. My energy went up. I stopped craving junk food at 9pm. And never once did I feel like I was on a diet."
Numbers never dropped
Eating more than ever before
Lost in 12 weeks
YOUR PERFORMANCE STACK
The missing layer in your performance stack.
Garmin records your sessions. TrainingPeaks holds your plan. WHOOP monitors your recovery. Hexis connects everything and turns it into a fuel plan.
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What athletes are saying
What athletes are saying.
"Hexis has been the single greatest improvement to my training and performance since I first started training with power data years ago."
"The best performance improvement I've ever encountered, FTP increased by 15 watts while in a deficit and lost 10 pounds"
"Loving the whoop integration for non cycling activities along with training peaks."
Who's behind the science
World-class experts. Real results.
Hexis was built by scientists, performance nutritionists, and data experts who've worked with the world's best athletes.
Dr. David Dunne
- Performance Nutritionist to Rory McIlroy, Bradley Wiggins, Harlequins Rugby & athletes across NBA, Premier League and World Tour Cycling
- PhD in Behaviour Change, Design Thinking & Technology Innovation in Sports Nutrition
- International Olympic Committee alumnus with multiple peer-reviewed publications
Dr. Sam Impey
- PhD in cellular and molecular adaptations to exercise-nutrition interactions
- Author of the seminal 'Fuel For The Work Required' paper - now the operational paradigm across sports nutrition
- Over a decade supporting elite athletes worldwide
Dr. Xiaoxi Yan
- Accredited GradStat by the Royal Statistical Society
- Strong analytical background in health and technology research
- Drives the data science and modelling that powers Hexis personalisation
Dr. Jon Bartlett
- 20+ years across British Cycling, the FA, Liverpool FC, NBA & AFL
- 65+ peer-reviewed publications on carbohydrate periodisation, exercise metabolism & recovery
- Former NBA Performance, Research & Innovation Lead
Simple pricing
Your personalised fuel plan for €16.99/month.
Everything you need to fuel every session, every recovery, every week.
Monthly
Billed monthly · Cancel anytime
- Personalised daily fuel plans built around your training
- Real-time plan updates as your training and fuelling changes
- Syncs with Garmin, WHOOP, TrainingPeaks and more
- Race day and competition fuelling guidance
- Carb Codes™ for every meal, every day
- Cancel anytime, no contracts
Annual
Just €9.17/month - save 46%
- Personalised daily fuel plans built around your training
- Real-time plan updates as your training and fuelling changes
- Syncs with Garmin, WHOOP, TrainingPeaks and more
- Race day and competition fuelling guidance
- Carb Codes™ for every meal, every day
- Cancel anytime, no contracts
Questions answered
Frequently asked questions
Still have questions?
Book a call with our team to see if Hexis is right for you.
Fuel what's next. Not just what you've already done.
Create your account in 2 minutes and your first personalised fuel plan is ready straight away.
Cancel anytime.