The BLIS FreshBreath Kit with BLIS K12 is a targeted oral health kit designed to address the root cause of bad breath. BLIS K12 (Streptococcus salivarius K12) is a clinically studied oral probiotic that helps displace the bacteria responsible for halitosis, providing long-lasting fresh breath support from the inside out. The complete kit includes everything needed for a full oral probiotic reset.