Pet Ag Bene-Bac Plus Probiotic Gel, 15g Syringe in Safety Seal 1-Year Date-Code Guarantee only from Nature's Horse. A concentration of 7 beneficial digestive bacteria. Easily digested for instant energy. Crowds out harmful intestinal organisms to help boost your pet's immune system. Easy to use Dial-a-Dose syringe is "Safety-Sealed" to a hard-card backing insuring safe arrival. BONUS: Includes one free 1g travel size gel. Made in the USA.