Novolog, when combined with other proper diet and exercise, is a form of insulin used to control blood sugar levels in people who suffer from diabetes. By combating high blood sugar levels, one can lower the risks of severe problems. NovoLog (insulin aspart) is a special medication in the form of insulin that helps in lowering glucose levels of the blood. It is prescribed along with a proper diet and exercise program that can help in controlling high blood sugar in diabetic patients. NovoLog is man-made insulin that works by helping the breakdown of glucose in the blood to energy. By doing this, most of the blood sugar will be converted to other forms for a healthy body. NovoLog is very efficient in treating diabetic disorders and can be used as a medium-term or long-term medicine depending on the patient's response to the drug. It is very fast in that it works within 5 to 10 minutes. NovoLog is supplied in the form of a liquid, and it should only be administered as an injection.