DescriptionFor use as a supplemental nutritive source of Vitamin B12 in cattle, horses, sheep, swine, dogs and cats. Inject subcutaneously and/or intramuscularly. Each mL Contains: Cyanocobalamin (Vitamin B-12) 1000mcg, with sodium chloride 0.22% w/v, ammonium sulfate 0.1% w/v, citric acid 0.01% w/v, sodium citrate 0.008% w/v, and benzyl alcohol 1.0% v/v (preservative). See package insert for complete product details.