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

+34 656 57 17 98

C/ Comte Borrell 128 Bjs Dª, 08015 Barcelona




Change your lifestyle through improving your eating habits. Lose weight, sleep better, improve digestion and have more energy in your day-to-day life!

Alimentacion saludable

Create a better relationship with food through better eating habits!

Nutricion Deportiva

Learn how to plan and prep for the whole week!

Deporte y salud

Learn how what you eat can influence your strength and capacity in the gym!


Make a difference that lasts- create habits that serve you for the rest of your life.

All programs are 100% individualized.

Do you think it’s time to make a change?

My coaching programs will help you transform your relationship with food, teach you what a balanced and healthy diet really is, and how to make changes to your own diet to reach your goals.

Learn more


Some nutrition tips and tricks that I share with you on my blog. Take a look and learn some tips to get the best out of every meal.

The keys to a more balanced day-to-day life

Science has proven.. diets don't work. Let's find what will work for you in the long term- not a 'quick fix!'

Eat real food

Real food doesn't have a long ingredient list

In the right amounts

Learn what portions work for you

Exercise regularly

Find something you enjoy, and do it a few times a week

Adequate rest

Rest is KEY to recovery


I believe that nutrition is the basis for improving health: all it takes is a little knowledge and motivation! It may seem like a daunting goal, there is already so much contradictory information that it is very difficult to know what works and what does not. With my help, you’ll learn the best way to feed yourself to feel, perform and look better.

Throughout the year there are periods when we can be stricter with the quality and quantity of our food intake to achieve health, performance or body composition goals, and at other times we can allow ourselves to take it more relaxed to enjoy special occasions such as holidays, family gatherings or events.

In any case the most important thing is to learn how to maintain a healthy lifestyle in a sustainable, balanced, comfortable and natural way: based on REAL FOOD, in those quantities that work for YOUR BODY and that fit YOUR LIFE STYLE.

Do you already know my Nutritional Coaching service?

What our customers think…

This was my first experience with a nutrition coach and I honestly am 100% satisfied. I already ate fairly healthy and varied, but I felt I had moments of overeating uncontrollably almost every week, that really kept me from moving forward, and made me feel pretty bad. I overcame these overeating spells and I have learned how to regulate my body's needs!


I believe that you have a great capacity to understand your clients and know what they need in each moment


My partner and I made a huge change in the way we eat and the way we cook, at first it was difficult because we don't have a lot of time, but Gillian always had an easy alternative so we couldn't fail! Now, healthy eating is a daily habit for us and it doesn't feel like a lot of effort or obligation.


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