For optimum digestive health and overall wellness, try Complete Probiotics from Dr. Mercola. Complete Probiotics promotes gut health, gastrointestinal health and immune system function. Features 70 billion CFU from Dr. Mercola's special acid and bile resistant probiotic blend of 10 strains including Lactobascillus acidophilus, Streptococcus thermophilus, Bifidobacterium bifidum and more.