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How can you fuel your body to maximise performance?

To answer this we must consider the role of nutrition in:

  • Health

  • Fuelling individual training session

  • Recovering from training

  • Adapting to training to make us fitter, faster, stronger

​Hey there,

Sinead here - owner of Feed.Fuel.Perform and SENr registered performance nutritionist.


I established Feed.Fuel.Perform in 2018 to help recreational and professional athletes make better use of nutrition to optimise their training, recovery and performance. We do this through a combination of nutrition coaching and education, working with athletes across a range of disciplines, including MMA, Jiu Jitsu, Boxing, Olympic weightlifting, CrossFit, Strongman and endurance sports

Central to Feed.Fuel.Perform's philosophy is the recognition that no one size fits all in nutrition. Indeed, no one size fits one. Every body is different, and the needs of every body changes over time. What the body needs now is driven by sport, training load and lifestyle, as well as age, gender, genetic background, stress and physiological state. And, of course, by an individual's goals – be they aesthetic, performance or otherwise! 

I hope you enjoy the resources on this site. And please do get in touch to discuss your nutrition. 


Dr. Sinead Roberts, PhD.

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Olivia Patel, MSc.

Performance Nutritionist

Sinead embraces the saying “Exercise is King. Nutrition is Queen. Together you have a Kingdom”! Her doctoral research focussed on understanding metabolism at the level of the cells of our body. She is passionate about the science behind the nutrition for sports and performance, and the translation of that science into practical strategies to fuel athletes in training, life and competition.

Her own training is CrossFit focussed, where she describes herself as 'enthusiastic' as opposed to particularly skilled or gifted! She also enjoys running, hiking and cycling when she has the chance.

Her spare time closely mirrors her career passions. She loves to cook and eat, and uses this as an opportunity to develop recipes that you might see appearing on this website or in meal plans produced for clients. And she loves sports, and can be often found watching Formula 1, Mixed Martial Arts, CrossFit or rugby.

Olivia has a passion for nutrition within a sporting environment and the impact of fuelling the athlete correctly to ensure optimum performance and training adaptations. Within studying for her MSc an area of interest was Low Energy Availability (LEA) and the subsequent development of RED-S – a syndrome not only affecting training, performance and recovery but long-term health of the athlete. Olivia therefore believes a good understanding and foundation in nutrition is integral to support overall performance and training adaptations.


Her own training consists of CrossFit and weightlifting (very much an amateur!), which has switched from her earlier sports which were mainly team based. She also enjoys swimming, rowing and getting outside to enjoy exercise.


In the spare time she does have, Olivia loves to cook and enjoys a variety of foods from around the world, and feels eating well to support performance should not be bland and boring!! When not partaking in sport she enjoys watching Football, Rugby, Netball and CrossFit and particularly enjoys the Olympics – summer or winter!!

Accreditations and Memberships
  • Graduate Registrant  | Sport and Exercise Nutrition Register (SENr)
  • UK Anti-doping (UKAD) Accredited Advisor | UKAD 
  • Professional Member | International Society of Sport Nutrition (ISSN) 
  • Charter Member | Nutrition Coaching Global Mastermind
  • Postgraduate Diploma: Sport and Exercise Nutrition | University of Westminster​ 
  • Doctor of Philosophy (PhD.): Cell Growth and Metabolism | University College London 
  • Bachelor of Science Honours (BSc. Hons.): Biology | University of Nottingham 

Accreditations and Memberships
  • Graduate Registrant  | Sport and Exercise Nutrition Register (SENr)
  • UK Anti-doping (UKAD) Accredited Advisor | UKAD 
  • ISAK Level 1 - Anthropometry | ISAK 
  • Master of Science (MSc): Applied Sport Nutrition | St. Mary's University 
  • Bachelor of Science (BSc): Sports Science and Leisure Management | Brunel University  
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Michelle Glancy, BA

Performance Nutritionist

Michelle is passionate about all things sports and performance, and empowering athletes to fuel for their sessions through evidence-based nutrition practices. Michelle believes that nutrition is one of the key pillars of performance and without it you will not achieve your true potential.


Her own training consists of CrossFit and Gaelic Football. And after completing a section thru-hike on the Appalachian Trail, she’ll jump at the chance to hike any trail! She is originally from Ireland, but has lived in Korea, Alaska and most recently Germany. She's also an experienced CrossFit coach where she has worked with performance athletes and helped them achieve long-term nutritional changes alongside their training.

She loves watching all sports, especially GAA, rugby, athletics, and CrossFit. These days, you’ll most likely catch her running or cycling on a trail around Bavaria but don’t be mistaken her competitive spirit runs deep!

Accreditations and Memberships
  • PN Level 1  | Precision Nutrition (PN)
  • Master of Science (MSc): Food, Health and Nutrition | University College Dublin (ongoing: graduation due 2022)
  • Graduate Certificate: Food, Health and Nutrition | University College Dublin
  • Bachelor of Arts (BA): Irish | University College Dublin

Sinead Roberts, PhD.

Performance Nutritionist