Zoetis Dystosel is a vitamin E–selenium injection for sheep and cattle in a sterile aqueous emulsion. Formulated for intramuscular or subcutaneous use, it supports immune health in cows, calves, sheep, and lambs. The 100 mL vial is ideal for on-farm use as a cattle vitamin supplement or sheep vitamin supplement within your livestock health products program. Trusted by producers seeking targeted vitamin E and selenium supplementation for ruminants.