A supplemental source of vitamin b-12 for horses in an aqueous solution containing yucca and devil s claw extract. 128 day supply. Feed with the horse s regular feed or give orally. Feed 1 oz. ( 30 ml) daily for an average 1100 lb horse. Feed others according to body weight, less for smaller horses and ponies and more for larger breeds. Size is Gallon. Dimensions are 11 X 11 X 14.5 Water, Dextrose, Devil s Claw (Harpagophytum Procumbens Extract) Yucca Schidigera Extract (Natural Flavoring Agent) Vitamin B-12 Supplement, Xanthan Gum And Propionic Acid (A Preservative). UPC Code = 011444431022