If you follow a Gluten Free diet then it is likley you have coeliac disease - this means you will have to avoid gluten for life. People nowadays also follow a gluten free for a variety of health reasons so you need to understand the reason for requesting a gluten free requirement to ensure that you choose the correct menu.
Gluten is found in the grains wheat, barley and rye.
On the gluten free diet you can eat many foods including meat, fish, fruit, vegetables, rice and potatoes.
You can also eat gluten free substitute foods and processed foods that don't contain gluten.