A novel dietary supplement and nutritional aid and methods for the manufacture and administration of the same are disclosed for the inhibition of OCD in afflicted animals, particularly horses. The present invention relates generally to a feed composition and methods of use thereof for reducing the development of Osteochondrosis Dissecans (OCD) lesions in predisposed young animals, particularly horses. More specifically the invention provides a nutritional formula that targets the metabolic deficiencies identified as being correlated with development of OCD.