EXTRA STRONG GUT SUPPORT - Simplify your health routine with Florastor's all-in-1 formula. Support gastrointestinal health, strengthen the immune system, treat acute diarrhea and prevent from traveler's diarrhea (turista) and antibiotic-associated diarrhea. Naturally resistant to antibiotics..REDUCES THE RISK OF ANTIBIOTIC ASSOCIATED DIARRHEA - Saccharomyces boulardii probiotics exhibit studied resistance to 16 common oral antibiotics. It has been clinically studied that Florastor reduces the risk of antibiotic-associated diarrhea by up to 80 % in children and 84 % in adults. Contains lactose..CLINICALLY studied EFFICACY - Backed by over 65 years of research, and more than 130 clinical trials, Florastor efficacity has been clinically studied. It reduces the risk of antibiotic-associated diarrhea by up to 84 % in adults..THE #1 PROBIOTIC IN CLASS WORLDWIDE - Florastor is the trusted probiotic brand of choice to help achieve & maintain a healthy digestive balance. Florastor’s strain is certified by the CDHF (Canadian Digestive Health Foundation).