Gluten intolerable, will it improve with 1year of special diet?

Yes. Celiac disease is an autoimmune disease that damages the lining of the small intestine and affects your ability to absorb nutrients. the damage is due to a reaction to eating gluten, a protein, found in wheat, barley, and rye. There are other forms of gluten intolerance, such as allergy. if you have celiac, then 1 year of gluten-free diet will improve your symptoms such as abdominal pain.
Gluten. If you had proven gluten intolerance you may see changes much earlier than 1 year. At least 6 to 9 months later the antibodies may come absent if successful.