Vets Plus - T.D.N. Rockets are a cattle stress capsule, such as diet antibiotic treatment change, shipping, weather, calving etc. They provide a nutritional source of trace minerals, Vitamins and Probiotic (Lactobacillus acidophilus DDS-1), enclosed in a gelatin capsule for quick release. Promotes quick recovery and stimulates appetite. Up to 2 capsules daily.