Probiotics by Pro Plan Veterinary Diets. Details:SA Synbiotic Action is a prebiotic and probiotic supplement recommended to help with chronic enteritis, increased microbial diversity, diarrhea associated with microflora imbalance and diarrhea associated with stress and antibiotic therapy. Benefits: Promotes a strong immune system and enhances palatability. Synbiotic action of prebiotics and probiotics to manage diarrhea and support a healthy intestinal microbiome. Contains prebiotics to increase gastrointestinal microbial diversity. Contains prebiotic fiber (psyllium) to stimulate the growth of specific bacteria, including Lactobacillus and Bifidobacterium species Contains the same probiotic strain in FortiFlora, proven to promote normal intestinal microflora. 30 Sachets per box.