Some people against foreign objects and have significant allergic reaction, such as for most pollen, plastic products, such as a typical allergy: rash, tears, flow the nasal mucus, eye inflammation, sneezing, itchy throat hoarse and etc. Patients take allergy medicine, most can be improved. But the effect will gradually diminish or have side effects. And some patients take allergy medicine has no obvious effect.

　　Under this circumstance,you may add some MSM in the diet, take 250 ~ 1000 mg Methyl Sulfonyl Methane everyday, after a week, severe allergic symptoms significantly reduce, allergy medicine will reduce gradually, even can make allergies under control. Some people suffer from some of the stomach "hay fever" allergy, although with anti allergic and spray allergy drugs to control symptoms, but the long-term use, the effective will gradually diminish. Such as in the daily diet, add 500 mg of Methyl Sulfonyl Methane, can gradually decrease. 

　　There are a lot of people on seafood (fish, shrimps, kelp, shellfish, etc.), drugs (penicillin, aspirin, etc.) have allergic reaction, and even a few to certain foods, such as cereal, milk, etc.) have a certain degree of allergic reactions. 

　　Research shows that according to different degree of allergy in adding 100 ~ 1000 mg daily diet Methyl Sulfonyl Methane can eliminate or reduce allergic reaction.