Wegovy contains semaglutide, Saxenda liraglutide, and Mounjaro tirzepatide. Their dosing schedules, receptor targets and pen designs differ. This is a comparison of selected South Korean products, not a complete worldwide product list.
How do representative South Korean injections differ?
This table does not rank effectiveness or select a medicine for you. Discuss your treatment purpose, history, other medicines and actual prescription with a clinician.
“Weekly” does not describe how to use the pen
The South Korean Wegovy dial pen contains four prescribed doses. The Mounjaro prefilled pen described by Lilly Korea is used for one injection.[4][3]
Before following an overseas video, check that its pen matches yours. Compare the formulation on the packaging and the pictures in your supplied instructions.
The same ingredient can have different products and purposes
Semaglutide is used in several products and formulations. US RYBELSUS / OZEMPIC tablet information has its own administration and dosing instructions. Do not convert between injections and tablets simply by matching milligram numbers.[5]
Overseas approval does not establish availability for prescribing in South Korea. This article centers on South Korean injections; overseas oral products illustrate formulation differences.
Questions to take into a product discussion
- What is the treatment purpose and goal for me?
- Can I receive hands-on instruction with the exact pen I will use?
- Which symptoms and records should I bring to the next visit?
- How will cost and availability affect my prescription schedule?
A small check-in today
- Have you recorded the product, ingredient and formulation?
- Have you confirmed daily versus weekly use?
- Do the supplied instructions match your pen?
Frequently asked questions
Is a weekly medicine always better than a daily one?
Frequency alone cannot establish which is better. Treatment goals, health, tolerability, convenience and cost all matter.
Does a product with the same name abroad have identical instructions?
Pen formats and approved uses can vary by country. Follow the instructions for the product you actually receive.
The GLP1 Helper editorial team prepared this general information from public sources. It has not received individual medical-expert review. It does not replace diagnosis or prescribing. Confirm approved uses and instructions in your country with your prescriber or pharmacist. Editorial principles
References
- MFDS · Wegovy prefilled pen product informationSouth Korean approved information · adult dosing · Source checked 2026-10-02
- MFDS · Saxenda pen product informationSouth Korean approved information · adult dosing · Source checked 2026-10-02
- Lilly Korea · Mounjaro frequently asked questionsSouth Korean manufacturer · product information · Source checked 2026-10-02
- Novo Nordisk Korea · Products and instructionsSouth Korean manufacturer · approved-product guidance · Source checked 2026-10-02
- Novo Nordisk · RYBELSUS / OZEMPIC tablets prescribing informationUS approved information · oral semaglutide · Source checked 2026-10-02