Comparison of Three Liraglutide Formulations in Healthy Volunteers

Inclusion Criteria: * Healthy subjects * Good general health as judged by the investigator, based on medical history, physical examination including 12-lead ECG (electrocardiogram), vital signs and blood and urinary laboratory assessments. * Body Mass Index (BMI) of 18-27 kg/m\^2, both inclusive Exclusion Criteria: * History of any clinically significant renal, hepatic, cardiovascular, pulmonary, gastrointestinal, * metabolic, endocrine, haematological, neurological, psychiatric disease or other major disorders * that may interfere with the objectives of the study, as judged by the investigator * Family or personal history of Primary hyperparathyroidism or pheochromocytoma or thyroid malignancy or multiple endocrine neoplasia * Impaired renal function * Uncontrolled treated/untreated hypertension * Any clinically significant abnormal ECG * Active hepatitis B and/or active hepatitis C * Positive HIV (human immunideficiency virus) antibodies * Known or suspected allergy to trial product(s) or related products * Pregnant, breast-feeding or the intention of becoming pregnant or not using adequate contraceptive measures * Prescription or non-prescription medication, except for paracetamol and vitamins * History of alcoholism or drug abuse during the last 12 months * Smoking of more than 10 cigarettes per day, or the equivalent for other tobacco products * Habitual excessive consumption of methylxanthine-containing beverages and foods (coffee, tea, soft drinks such as cola, chocolate) as judged by the Investigator