If you are interested where to eat gluten free in Riga, Latvia, here I come with some tips.
In Latvian gluten free is “Bez glutēna”.
Here is my post listing gluten free restaurants and cafes I know:
http://eestikele.wordpress.lv/2013/10/28/gluten-free-restaurants-and-food-in-riga/
Gluten free flour, bread, biscuits and snacks are available in several shops (info in Latvian, see names of shops):
http://eestikele.wordpress.lv/veikali/
Anyway, feel free to ask me any question on living gluten free in Riga and Latvia – gundega.kuzmina@gmail.com