IL6 and autism: Commercial probiotic VSL#3®, including eight bacterial strains (including, different Lactobacillus and Bifidobacterium as well as Streptococcus thermophilus BT01) could ameliorate autistic-like behaviors in a prenatal valproic acid-induced rodent model of autism by elevating serum concentration of the IL-10 and reducing IL-6 [120].