A food intolerance test is a diagnostic tool designed to identify how your body reacts to specific foods, often by measuring IgG antibodies in the blood to detect sensitivities that may cause symptoms like bloating, headaches, fatigue, or skin issues. Unlike food allergies, which involve immediate immune responses, intolerances are usually slower and linked to digestive difficulties, ... https://redcliffelabs.com/food-intolerance-test