It's very common here in Sweden (in fact more common than in most other places in the world about 1/100) so there are lots and lots of replacement products.

Basically they diagnose you through a biopsy where they look at the inside of your intenstine. If you have celiaki, the villi will be destroyed (don't know the English name) which is where nutrients are absorbed.

You have to completely cut out Wheat, Rye, Barley and Oats, although recent studies show that some individuals may be able to eat oats if they have been processed properly separated from any other grains.

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