Assume you have been in non-gluten diet 20 years. You built mass 8 mass with substances containing gluten (endogenous gluten stored in fat). Then, celiac disease is diagnosed. You have been 3 months in gluten free diet. After mass period, you go to fat burning period. The challenge starts: endogenous gluten stored in fat. It is painful if too intensive training program. Even little amount of gluten causes enteropathy.
What are the protectant methods for burning fat containing gluten?
How can you prove that there are no gluten-derived peptides that accumulate somewhere? Since the cellular receptors for gluten have been identified, I think this may be over-complicating things. - Ryan's answer
I have not found any good solution for this, since I do not understand the pathophysiology enough well.
Toxic factors related to celiac disease
How is endogenous gluten released from fat?