The Strawfield Pets | Probiotics for Dogs | Probiotics for Gut Flora, Digestive Health, Occasional Diarrhea & Bowel Support | Dog Probiotic Powder Supplement is a high-quality product that provides your pet with both immune system support and digestive health. This powder is made with a proprietary blend that includes five different strains of bacteria that have been shown to improve gut flora balance. The powder is also rich in inulin, a prebiotic that helps promote healthy gut flora. The powder is designed to be mixed into your pet’s food at the start of the meal so it will last throughout the day.