In this study, a known medicine called 'semaglutide' will be tested in two different tablet versions. The two tablets differ in the way these have been manufactured. The aim of the study is to investigate the amount of active ingredient in the blood after dosing the different tablet versions. Participants will receive one tablet version for 10 days (first treatment period) and the other version for 10 days (second treatment period). The treatment arm participants will be assigned to is decided by chance. The study will last for about 23 weeks for each participant. The study will enroll healthy male participants.

Key inclusion criteria:

• Body mass index (BMI) between 22.0 and 31.9 kilograms per meter square (kg/m^2) (both inclusive) at screening.
• 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.

Key exclusion criteria:

• Known or suspected hypersensitivity to study intervention(s) or related products.
• Any disorder which in the investigator's opinion might jeopardise participant's safety or compliance with the protocol.
• Use of prescription medicinal products or non-prescription drugs, except routine vitamins, topical medication not reaching the systemic circulation and occasional use of paracetamol (acetaminophen) and ibuprofen, within 14 days before screening.

According to the Novo Nordisk disclosure commitment on novonordisk-trials.com