PetLab Co. Probiotic Chew for dogs. Supports healthy gut and digestive function. Pork flavor for all dogs 12 weeks and older. Manufactured in the U.S. Contains a blend of probiotics, FOS, GOS, and a postbiotic blend of yeast. EXPIRATION: There are 6 available: one expires August 2025, two expire October 2025, one November 2025, and two January 2026. I will be shipping them out in order of expiration. August ones first, then October, etc.