Featuring 20 Billion Live Cultures and 10 Unique Strains, this supplement is sure to be effective. Real beef liver is added to each chewable to ensure your dog enjoys the flavor, and the tablets can be fed whole or gently crushed for added convenience. It is powered by organic prebiotics which help boost natural gut bacteria and support healthy bacteria growth in the digestive tract. Vital Planet Flora Extra Strength Probiotic is proudly made in the USA.