A medical food and/or nutritional supplement for oral administration by mammals includes α-lipoic acid, linolenic acid complex, biotin, and coenzyme Q-10. A preferred method of manufacturing the medical food or nutritional supplement is by separate microencapsulation of one or more of the components followed by encapsulation of the individual components, for oral administration. Other methods of delivery include packaging in impermeable, disposable packets and mixing the formulations with food or a cold liquid.