Combine yeast, salt, sugar, and warm water in a bowl. Leave for 5-10 minutes.
Stir together 1 tablespoon flax meal and 2 tablespoons water in a bowl and leave for 5 minutes.
Whisk together brown rice flour and tapioca flour in a large mixing bowl.
Add the yeast and flax mixture into the flour and stir until a ball of dough is formed.
Knead the dough in a floured surface.
Set the dough in a lightly oiled bowl and leave to rise for about an hour.
Stretch the dough onto a pizza pan and parbake for 8 minutes at 425F.
Top your pizza and bake for another 8 minutes at 425F.