First Research Study of the Possible New Medicine NNC0113-2023 in Healthy Men.

Inclusion Criteria: * Male aged 18 - 45 years (both inclusive) at the time of signing informed consent. * Body mass index between 20.0 kg/m\^2 and 29.9 kg/m\^2 (both inclusive). * Considered to be generally healthy based on the medical history, physical examination, and the results of vital signs, electrocardiogram and clinical laboratory tests performed during the screening visit, as judged by the investigator. Exclusion Criteria: * HbA1c greater than or equal to 6.5 % (48 mmol/mol) at screening. * Use of tobacco and nicotine products, defined as any of the below: 1) Smoking more than 1 cigarettes or the equivalent per day or 2) Not willing to refrain from smoking and use of nicotine substitute products during the in-house period. * History of major surgical procedures involving the stomach potentially affecting absorption of trial products (e.g. subtotal and total gastrectomy, sleeve gastrectomy, gastric bypass surgery). * Presence of clinically significant gastrointestinal disorders or symptoms of gastrointestinal disorders potentially affecting absorption of drugs or nutrients, as judged by the investigator. * Personal or first degree relative(s) history of multiple endocrine neoplasia type 2 or medullary thyroid carcinoma. * Presence or history of pancreatitis (acute or chronic).