Food Intolerance and Allergy Testing - Asthma, Excema and Skin problems Catarrh & sinus congestion Headaches & migraine, tiredness and fatigue Weight problems IBS and digestive disorders Anxiety and depression. If you suffer with any of the above complaints, an hour’s test could change your life! Our test for 100 food and environmental substances will produce immediate results and include a free vitamin and mineral deficiency check.