Research with relevance.
I study hydration, weight changes and athlete health in combat sports. My work starts with understanding the demands you face.
Combat sports & athlete nutrition
You put in
the work.
Make your
nutrition count.
I’m Dr Colin Doherty. I’ll help you build a clear nutrition plan for the sessions, the weigh-in and the moments that matter.
Performance nutritionist. Combat-sport researcher.
In your corner, from preparation to competition.
PhD Exercise & Sports ScienceMSc Human NutritionPGDip Advanced Performance Nutrition
Why Informance?
Your sport asks
a lot of you.
Your nutrition
should support it.
Hard sessions. Busy weeks. A competition date getting closer. Nutrition should bring clarity to your preparation.
Get to know meBuilt around the athlete.
I build my guidance around your training schedule, food preferences, body-mass goals and competition demands.
Practical from the start.
I help you make clear food choices and find useful strategies for fuelling and recovery that fit your week.
For the work behind the performance
The everyday sessions.
The big occasions.
Combat sports are at the core of my work.
I support athletes across other sports, too.
Choose your support
What are you
working towards?
A fight date, a longer-term goal or a question you want to work through. Start where you are.
01 / Preparing to compete
Fight-camp support
I’ll help you bring fuelling, body-mass goals and competition preparation into one considered plan.
- Training and recovery nutrition
- Body-mass and hydration planning
- Competition and post-weigh-in preparation
02 / Building consistency
Ongoing coaching
I’ll work with you on nutrition guidance that develops with your training, sporting goals and day-to-day life.
- Practical fuelling and food choices
- Weekly check-ins and daily support
- Adjustments as your training and needs change
03 / Getting direction
One-off consultation
Work with me to review your current approach or explore a specific nutrition question.
- Review your current nutrition
- Discuss training or competition needs
- Identify practical next steps
In Perth or further afield? I offer consultations online or in person for Perth-based athletes, and online for athletes internationally.
Your nutritionistDr Colin Doherty
A researcher. A practitioner. A competitor.
The science matters.
So does the person.
You’ll work directly with me, from understanding your goals to making nutrition work in practice.
I founded Informance Nutrition in 2019 and have supported Olympic, professional and weight-category sport athletes. I’m also a lecturer and researcher in exercise and sport science.
My PhD explored safety and performance in combat sports. As a Brazilian jiu-jitsu competitor myself, I bring personal experience of the sport alongside my nutrition practice and research.
PhD (Health)
Exercise and Sports Science
Edith Cowan University
MSc Human Nutrition
University of Copenhagen
PGDip Advanced Performance Nutrition
Institute of Performance Nutrition
Your first step
A plan starts
with your story.
- 01
Tell me your goal.
Your sport, the support you want and any upcoming competition date.
- 02
Find the right fit.
We’ll discuss your needs and which type of support makes sense for you.
- 03
Put it into practice.
We’ll work together on a nutrition approach that fits your preparation.
The questions behind the coaching
From the research.
Into the real world.
My publications explore hydration, rapid weight changes and health in combat sports. Read the studies behind my research interests.
Hydration / 2024
Blood, sweat, and tears: implications for hydration testing in combat sports
Investigating body mass loss and biomarker changes.
Read the studyWeight & competition / 2024Rapid weight changes and competitive outcomes in Muay Thai and mixed martial arts
A 14-month study of 24 combat sports events.
Read the studyAthlete health / 2025Incidence of health problems in Australian mixed martial arts and Muay Thai competitors
A 14-month study of 26 combat sports events.
Read the study
A practical place to start
Busy week.
Real food.
Less guesswork.
Make everyday meals easier with my recipe book, Quick Meals Under 10 Minutes. Breakfasts, main meals and snacks built from ordinary Australian supermarket ingredients.
- 16 recipes for busy days
- Practical ingredient swaps
- Estimated nutrition per serve
Enter your email, confirm it in your inbox, then receive the PDF. This is a one-off resource request. MailerLite’s standard confirmation message calls it a “newsletter”, but you won’t be added to ongoing marketing.
How I handle your email and personal information
Form not displaying? Open the Quick Meals signup.
General nutrition education. Not an individual meal plan. Nutrition values are estimates and vary with ingredients and portions.
Before you get in touch
A few useful
answers.
Do I need to be a professional athlete?
No. Tell me about your sport, experience and goals. We can discuss whether my support is a good fit for your needs.
Do you only work with combat-sport athletes?
Combat sports are a central focus of my work, and I also support athletes across other sports. Get in touch and tell me what you’re working towards.
Can I start with a single consultation?
Yes. I offer one-off consultations alongside ongoing coaching and fight-camp support. Email me to tell me the question or goal you would like to work through.
Are consultations online or in person?
If you’re based in Perth, we can meet online or in person. I work with international athletes online. We’ll arrange the format when discussing your enquiry.
What does ongoing coaching include?
I offer weekly check-ins and daily support, alongside practical nutrition guidance and adjustments as your training and needs change. We’ll agree how we’ll communicate and what support fits your goals before we start.
How do I find out about availability and fees?
Send an enquiry with your sport, the support you are interested in and any competition date. I’ll discuss availability, fees and the appropriate next steps with you.
Let’s talk about your goals
Give your nutrition
the same attention
as your training.
Tell me about your sport and the support you’re looking for. I’ll reply by email to discuss availability and next steps.
Online or in person in Perth.
Online internationally.
Prefer to email directly?
colindoherty3848@gmail.comLet’s find the right support.
Email me your sport, goal and the type of support you’re interested in. I’ll reply to discuss availability and next steps.
Email me an enquiry