By grinding seeds, uncooked cereal grains or root is how you make flour as a powder.
Flour is the primary ingredient used to make bread which is a vital food that has feed many people for thousands of years.
The most important type of all flours is wheat flour.
So can gerbils eat flour at all?
Yes, however it has no nutritional value for them and therefore there is no reason to feed flour to your gerbil as it does not enrich their diet.
Additionally they don’t even like the test of it.
Therefore make sure you avoid feeding flour to your gerbil as it isn’t a good option.