In addition to useless Streptococcus thermophilus and Lactobacillus bulgaricus, Jianneng's formula also contains Lactobacillus acidophilus and Bifidobacterium. Unlike Changyou, it contains Lactobacillus casei, which is similar to Yakult.
Each has its own merits, and they are all good yogurts. It's much better than those yogurts with only Streptococcus thermophilus and Lactobacillus bulgaricus.