
If you prefer not to keep a written record, there are several apps that can make logging more convenient. Start a food and symptom journal: This can help you notice patterns to determine whether certain ingredients may be causing digestive issues or other symptoms.If you believe you have a food sensitivity or you are experiencing unexplained symptoms, the following two steps may help you identify the cause:

What should you do if you think you have a food sensitivity? It is possible that more accurate at-home food sensitivity testing methods may become available in the future. The field of food sensitivity testing is constantly evolving, and new research is emerging regularly. Notably, food sensitivity tests are not a replacement for a personalized care plan from a registered dietitian or gastroenterologist.

“Most at-home tests and even tests done in laboratories for food sensitivity have not been studied in a scientifically rigorous way,” explained Dr. What’s more, many of the studies that companies cite to support using these tests are outdated or have been published in nonreputable journals. However, there’s limited evidence supporting using these tests. Many at-home food sensitivity tests measure your body’s immune response to a variety of foods by testing the levels of certain antibodies in your blood, such as IgG and IgG4, after you’re exposed to various food antigens ( 1). At-home food sensitivity tests aren’t reliable
