Canadian Brand. K9 Choice Pure Green Tripe, raw green beef tripe, trimmed lean, washed, and never bleached. Rich in natural probiotics like lactobacillus acidophilus, digestive enzymes, and pre-digested nutrients, it supports healthy digestion, gut health, immunity, muscle development, and healthy skin and coat. Made with only one ingredient and no preservatives beyond your freezer, this low-allergenic nutritional powerhouse may smell strong - but your dog will love the benefits.