Allergic Hypersensitivity simply put, is an adverse immune reaction to a protein (or allergen) in our environment, which is normallyharmless to the non-allergic person. It may present as mild itching of the skin, tissue swelling and wheezing or even progress to full-blown anaphylaxis and death. Only a small proportion of the population exposed to an allergen will develop an allergic reaction. 18 million allergy sufferers live in the UK where 4% of the population also have a food allergy. Natures Practice have an effective range of natural treatments, which do not cause drowsieness or any side effects.