My kids recently participated in the Culturelle Tummy Truths 14-day Challenge. You can read about our experiences starting with our Day One blog post. Tummy Truths Challenge Wrap Up: Final Thoughts For 2 weeks, my children took Culturelle KIDS! probiotics every day to see how it worked to keep their digestive system healthy and support their immune system naturally. The Culturelle probiotics have kept my kids' digestive systems regular for ...