Improve your oral health by minimizing the risk of strep throat and ear and nose infections by balancing your oral probiotics with MARS Wellness The Mars Oral Probiotic with BLIS K12 boosts oral health and immunity and has been clinically proven to protect against recurrent strep throat. Early studies also show that BLIS K12 can reduce recurrence of ear and throat infections caused by other bacteria and viruses. BLIS K12 is pediatrician recommended and approved. Directions: Take 1 dissolvable tablets daily after brushing teeth, before bedtime. Allow tablet to dissolve in the mouth slowly and completely. For best results, do not eat for 30 minutes after taking.