Probiotics for Seasonal Allergies?
A double-blind placebo-controlled trial of 173 people with seasonal allergies found that those who took a probiotic for two months had significantly higher scores on an allergy-specific quality of life scale than those on an identical-seeming placebo. Their allergy symptoms also improved. The people in this study did not use an antihistamine on a regular basis.
Which Bacteria Did the Probiotic Contain?
Probiotic products provide beneficial bacteria that might not be present in substantial numbers in the digestive tract. There is a huge range of possible bacteria as well as of dose. Consequently, researchers must specify which ones they tested.
The probiotic in this study (Kyo-Dophilus) was supplied by Wakunaga of America Co., Ltd., which also sponsored the research. It contained 3 billion colony forming units a day of Lactobacillus gasseri KS-13, Bifidobacterium bifidum G9-1 and Bifidobacterium longum MM-2.
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