Picky dogs may well dislike the chalky texture of powder. We also wish the powder were available in flavored options for different preferences. If you'd want to invest in flavored nutritional supplements, Vital World will make probiotic bacon-flavored soft chews and beef-flavored tablets. Expiration dates should be Obviously listed around https://www.amazon.com/Healthy-Treatz-Probiotic-Chews-Dogs/dp/B07VCGNM6X