Just be sure that the product doesn't contain more than 5 % fiber because excess fiber in your dog's diet could actually cause problems. (pawster.com)
While a few veterinary prescription diets fit the general high - protein, calorie - restricted description, these foods often contain inferior ingredients and excess fiber fillers. (1800petmeds.com)
Constipation may occur if people consume excess fiber without also increasing their fluid intake. (ericbakker.com)