Bienvenido a Bite Size Pieces Nutrition

¡Hola! Soy Gillian. Tengo más de 8 años de experiencia en el asesoramiento nutricional de gente de perfil muy diverso, desde clientes que quieren mejorar su alimentación hasta deportistas deseando optimizar su rendimiento.
Monday - Friday 09:00 - 20:00
Saturday - Sunday Cerrado
Algunas fotos de mí:

De Lunes a Viernes de 9.00h a 20.00h


Nutrition Coaching

Bite Size / Nutrition Coaching

Having to depend on willpower all the time gets exhausting…

Stop the cycle of on and off the diet wagon.

I want to help you…

Stop restricting yourself all day long just to get home and want to eat everything in the fridge.

Simplify healthy eating, and find YOUR best diet.

Learn what to buy at the grocery store and how to prepare it in delicious ways.

Stop feeling guilty about what you’ve eaten.

Start liking what you see in the mirror.

Start having all the energy you need to live a life you love.

If any of this sounds appealing… I can help you. 

Contact me
Coaching en Barcelona

Online is the way to go! See progress, feel better and ENJOY your diet… from where’ve you are. 

Why Nutrition Coaching?

Because a diet has a beginning and an end.. but you have to eat for the rest of your life.vida.

With coaching, we work TOGETHER to understand the best way for you to eat to see progress towards the body and health you want. You can stop depending on a diet plan or strict diet rules. You'll learn how to eat to FEEL good, LOOK good, and LIKE what you eat. This style of eating doesn't come from a place of suffering.. the intention is to find a style of eating that you like, helps you feel great and you can maintain for the long run.

Send me a message.. lets get started!

Nutrition Coaching- Lifestyle

  • you are new to the science of nutrition
  • your focus is to look better, improve energy levels or digestive issues, or simply to improve your quality of life through health
  • you’ve tried various diets in the past, but nothing has worked for you for longer than a couple of months
  • you would like to improve your mindset or your relationship with food, or you would like to get rid of ‘diet guilt’
  • you want a diet that adapts to your needs.. not the other way around!

Nutrition Coaching- Macro

  • you already have an understanding (basic or advanced) of nutrition science
  • you have specific physique or performance goals
  • you already ‘eat well’ but you need a bit of structure or accountability to take you to the next level
  • you can commit to cooking the majority of your meals at home (don’t worry- you can still eat out sometimes!!)
  • you want more flexibility in your diet to include the foods you love
Book your free discovery call

Clients say: 

“Gillian is super POSITIVE and REALISTIC. She doesn’t propose unreachable goals, they are always progressive changes that you can easily make in your day to day. She’s always available if you need anything, and she gives great lifestyle and eating advice. Aside from that, she never ‘gets mad’ or ‘scolds’ you. Changing habits doesn’t include punishment for doing it wrong.. its about making real changes in your life. If you can’t take on something new right now, you can do it little by little. This is something I learned from her… this, and at the same time, keep progressing! –Marina

Clients say: 

“This was my first experience with a nutrition coach, and honestly I am 100% satisfied. I already ate well but I would have occasional binges, almost every week and then I would feel super guilty afterwards.. like I had thrown away everything I did until then, and it would put me in a bad mood. I was able to overcome these binges and learn how to regulate my own body!  –Ana

Clients say: 

Starting a nutrition program combined with strength and conditioning sessions (at the gym) was a huge change for me and my partner. We learned what and when to eat, and the right portion sizes. We were able to make it a habit, and part of our daily routine.  -David


  • Questionnaire and food diary
  • Initial video call assessment with Gillian
  • Monthly call with Gillian
  • Exclusive access to your client profile in Apotheo: your resource for all of your recipes, PDFs and progress metrics
  • Personalized metrics to measure your progress
  • Continuous support via Whatsapp/WeChat/Apotheo
  • Success roadmap (LIFESTYLE) or personalised macro calculation (MACRO)
  • Strategies for eating well in restaurants or on vacation
  • Lifestyle factors assessment: stress, sleep and recovery
  • Advice and exercises to improve mindset
  • Nutrition education: information that will serve you for life

….send me a message for prices and program availability!

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