*Plus Vet Strength PB6 Probiotic*For use in dogs over the age of 6 weeks. PB6 technology enables beneficial bacteria to travel through the complete GI tract for optimal stomach and intestinal balance. Contains a source of live (viable) naturally occurring microorganisms.• Great for pets with sensitive stomachs and digestive issues.• Specifically developed to support and balance the total GI environment.*Feeding Directions (Give with each meal):*Up to 20 lbs – 1 Soft Chew21-40 lbs – 2 Soft Chews41-80 lbs – 3 Soft Chews81 lbs & Over – 4 Soft ChewsThis product is intended for intermittent or supplemental feeding only. Due to the tasty nature of our products, do not leave package unattended around pets.