Med-Vet Vitamin E 5000 Please Note: This item is undergoing a rolling packaging change from bucket to bag. Vitamin E 5000 provides a highly concentrated source of Vitamin E combined with alfalfa meal (highly palatable carrier) to be used as a nutritional supplement when higher levels of Vitamin E are indicated. Synthetic Vitamin E. Item Specifications: Guaranteed Analysis Vitamin E: 5,000 IU/oz. / 80,000 IU/lb. Directions for Use: Adult Horses (900-1,100 lb.): Maintenance: provide 1/2 oz. daily. Stress Conditions: provide 1/2 oz. twice daily. Consult your veterinarian for more specific feeding levels.