Source
It's true.
Because the treatment for Celiac disease is to follow a gluten free diet, the IRS allows you to deduct those extra food expenses. It's a bit of a tricky process and requires consistency and follow through on your part.
To make this easier for you, here's an easy to follow list from our friends at CeliAct.
Gluten Free Tax Deductions
Good luck and hopefully this helps ease the expenses for you!
Rachel aka Gfreegal