About This Powerful pet postbiotic blend: Fera’s prebiotics, postbiotics and herbs offer gentle, effective support for digestion, immune function, healthy inflammatory response, and a balanced gut microbiome No fillers: Promotes integrity of the gut lining and supports cat and dog gut health and immune system; formulated with Actigen prebiotics, Tynagen postbiotics, plus ginger root, fennel seed and licorice root extracts; digestive comfort and quality of life for your pet Veterinarian formulated: Formulated by Co-Founder, Veterinarian Dr. Dulake; our USA-made cat + dog health supplies and cat + dog vitamins and supplements bear the NASC quality seal, are GMP-compliant, and do not contain colors, dyes or preservatives Feeding guide: To feed as cat or dog food toppers, add recommended amount to pet food with included scoop: 1 scoop for pets under 25lbs; 2 scoops for 26-50lbs; 3 scoops for 51-75lbs; 4 scoops for 75+lbs Care from head to tail: Cat and dog supplements crafted from our commitment to creating effective, delicious cat & dog vitamins and supplements that combine Eastern and Western ingredients for a holistic approach to your pet’s wellbeing