Formulated to provide support for a healthy immune system as cows go through the normal stresses of the production cycle such as extremely high production, twin calves, poor cleaning, general health, during breeding, pre-calving and during calving. Helps beef and dairy cattle live up to their genetic potential. Each ml contains 1 million IU ml vitamin A, 100,000 IU ml vitamin D3 and 2,000 IU ml vitamin E.