Are the strains in Smidge Sensitive Probiotic and Infant Probiotic strep free? Gana Wilson Updated August 15, 2020 13:45 Follow Yes, the strains in Smidge Probiotics are completely strep-free. Related articles Should I be rotating my probiotics (every month, every 6 months, etc.)? What are Smidge probiotics cultured on? Is it a rainbow? Smidge Infant Probiotic- Dosage Can Smidge Morning Magnesium relieve constipation? Can pregnant and nursing mothers use Smidge probiotics? 0 comments Please sign in to leave a comment.