Comparison of Insulin Aspart Produced by Current Process and the NN2000 Process

Inclusion Criteria: * Healthy * Caucasian * Normal findings in medical history and physical examination unless the investigator considers any abnormality to be clinically irrelevant * Fasting blood glucose below or equal to 6 mmol/L * Body mass index (BMI) 22.0-27.0 kg/m\^2 (both inclusive) Exclusion Criteria: * Participated in another clinical study with an investigational drug within the last 4 weeks * Any condition requiring the regular use of any medication, including herbal remedies, over the counter medicines and vitamins. Occasional paracetamol is acceptable * Known or suspected allergy to the trial product or related products * Family history of type 2 diabetes