The yoghurt is based on milk fermentation using Streptococcus thermophilus and Lactobacillus bulgaricus. Permission was obtained in 1973 from Embassy of Bulgaria for the trade name, and FOSHU status was received in 1996.
Meiji Co. press release, December 11, 2013
Meiji celebrates 40 years of „Meiji Bulgaria Yoghurt LB81“, a FOSHU product for „healthy longevity“