Some people may start to reduce or eliminate gluten from their diet because they feel ill. I get really, really sick if I eat gluten and avoid it at all costs -- even small things like shared fryers. In order to get accurate results from this testing method, you must eliminate 100% of the gluten from your diet. Genetic testing is one option for those who are already gluten free and struggling with the thought of eating gluten again. I haven't been tested and don't plan on it. There is disagreement in how long gluten reintroduction needs to be for testing. During the reintroduction phase, you progress through a process of testing your response to the foods you’ve eliminated one-at-a-time. Then, either way that goes, you'll know if he is coeliac, and also how he seems on gluten. We also can't gradually re-introduce gluten. When testing a challenge food, start with a small amount of the food and then increase the amount over the next 2 challenge days if your gut remains settled. Obviously, this thorough testing will cost a lot more than simply eliminating gluten from the diet. Phase 3: Reintroduction phase (3+ weeks) Now it’s time to systematically reintroduce the eliminated foods—testing them one at a time while monitoring for possible reactions. After 1 year of stabilisation, reintroduce gluten again and practice the same provocation test. When he first told me, i started crying as i was scared. I've been told I have all the classic symptoms of being Celiac. To do this, eat one serving of a gluten-containing food on day one, then two servings on day two, and three servings on day three. Sunday: Reflect on your findings, eat 3 solid meals from the Cleanse Diet. As you reintroduce gluten and dairy, you will want to do it slowly and systematically and you will want to track any symptoms you may experience. The best advice that I share with my patients is that if they feel significantly better without gluten or feel worse when they reintroduce it, then gluten is likely a problem for them. Current Gluten Challenge Guidelines NASPGHAN recommends eating roughly 2 servings of gluten, equivalent to 2 slices of wheat-based bread, daily for 6-8 weeks prior to testing. NICE recommends including gluten in more than one meal a day for at least six weeks before testing. in order to take the test. It has been demonstrated that patients with NCGS may be able to tolerate a small amount of gluten without developing symptoms [1]. After one or two years of a gluten-free diet, patients with NCGS can attempt to reintroduce small amounts of gluten. Reintroduce gluten into your diet after the elimination period has ended. This involves removing all gluten from the diet for at least four weeks and then reintroducing it to find out how the body responds. Advice before testing . The diagnostic tests for coeliac disease look at how the body responds to gluten. Most people who notice improved health on a gluten-free diet are unwilling to reintroduce gluten for celiac disease testing. What is the best way to reintroduce gluten and why does my stomach hurt so bad? Diagnostic tests for celiac disease require that you be on a gluten-containing diet so that the test can detect gluten antibodies. Hi Natalie.I was exactly in the same position as your son.The blood tests I had showed celiac serology and was referred for an endoscopy but was told due to Covid just to follow gluten free diet but was then told to reintroduce gluten as the endoscopy was going ahead.So you never know hopefully the endoscopy might go ahead quicker than you think.