Leptin Test
- Category
- Hormones
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 12 days
- Fasting
- No Fasting
- Age
- 5+ Years
Measures leptin, a hormone made by fat cells that signals fullness to the brain.
Used in research and specialist evaluation of obesity, metabolic syndrome and rare leptin-related disorders.
Symptoms suggesting hormonal imbalance — weight change, fatigue, BP changes, growth problems — usually as advised by a doctor.
No fasting needed.
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Yes. Leptin rises with body fat, and many people with obesity have leptin resistance.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 10–11 days after the sample reaches the lab. You will receive the report online.