Weight Loss Blood Tests in Seomyeon, Busan Check blood sugar, cholesterol, liver, kidney and thyroid health before and during weight management
One Clinic Seomyeon offers blood testing as part of medical weight management, helping the doctor understand your metabolic health and choose a safe, suitable treatment plan.
Weight loss blood tests check markers such as blood glucose and HbA1c, cholesterol and lipids, liver function, kidney function and, when relevant, thyroid hormones. At One Clinic in Seomyeon, Busan, results help the doctor identify factors that affect weight, decide whether prescription medication is appropriate, and monitor safety during treatment.

What weight loss blood tests can check
The exact panel is chosen according to your health history and treatment plan.
Blood glucose & HbA1c
Screens for prediabetes and diabetes, which affect treatment choice.
Cholesterol & lipids
LDL, HDL and triglycerides linked to cardiovascular risk.
Liver function
Fatty liver and liver enzymes, often related to excess weight.
Kidney function
Important before and during some medications.
Thyroid testing
Thyroid hormones can influence weight and energy.
Why test before treatment?
Weight is influenced by metabolism, hormones and existing conditions. Blood tests help uncover factors that diet alone will not fix and make sure any prescription treatment is safe for you.
- Identify conditions linked to weight gain
- Decide whether medication is appropriate
- Set a baseline to measure improvement
- Monitor safety during treatment

How testing works
Consultation
The doctor reviews your history and decides which tests are useful.
Blood draw
A quick blood sample taken at the clinic.
Results review
Results are explained, in English if you prefer.
Plan & monitor
Findings guide treatment and follow-up tests.
Before your blood test
Some tests, such as fasting glucose and lipids, are more accurate after fasting. The clinic will tell you whether to fast and for how long when you book.
Helpful to bring
- A list of current medications and supplements
- Recent test results from home, if any
- Details of past weight-loss treatments
- Questions you want to ask the doctor
Visiting One Clinic in Seomyeon, Busan
Seomyeon is central and well connected, so a consultation and treatment fit easily into a stay in Busan. Message us on WhatsApp with your dates and goals — we reply in English.
One Clinic Seomyeon
- Address
- 6F, Inje Medical New Building, 785 Gayadae-ro, Busanjin-gu, Busan
- Subway
- Seomyeon Station, Exit 9
- Parking
- Yeonggwang Bookstore Parking Lot
- Hours
- Mon, Tue, Thu, Fri 10:00–19:00
Sat 10:00–16:00 · Lunch 13:00–14:00
Closed Wednesdays & Sundays
Dr. Won Tae Jung, MD
Certified Obesity Medicine Physician (World Obesity Federation) with extensive experience in medical weight management, non-surgical body contouring, fat reduction and anti-aging treatments. Member of the Korean Society for the Study of Obesity.
Blood test questions
Still unsure? Message us on WhatsApp — we reply in English.
Why do I need blood tests for weight loss?
They reveal metabolic or hormonal factors that affect weight and help confirm that prescription treatment is safe and appropriate.
Which blood tests are included?
Commonly blood glucose and HbA1c, lipids, liver and kidney function, and thyroid tests when relevant. The panel is decided by the doctor.
Do I need to fast before the test?
Some tests are more accurate after fasting. The clinic will confirm preparation when you book.
How long do results take?
Timing depends on the tests. Please ask the clinic when you book.
Can international patients get blood tests at One Clinic?
Yes. Tests can be arranged during your visit, with results explained in English.












