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Can’t Lose Weight Blood Test
16 Biomarkers | Venous Blood Test | CE-marked | UKAS-accredited | Doctor-reviewed results with personalised interpretation.
An advanced blood test checking markers linked to difficulty losing weight, including thyroid function, thyroid antibodies, reproductive hormones, testosterone, cortisol and DHEA-S. Designed for people who feel they cannot lose weight despite diet and lifestyle changes, this test gives clear, clinically reviewed insight into possible hormonal, thyroid and stress-related contributors so you can understand your results and know what to do next.
Results are typically available within 2 working days from when your sample reaches the laboratory, excluding weekends and bank holidays.
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Reproductive / Sex Hormones
- Follicle Stimulating Hormone, FSH
- Luteinising Hormone, LH
- Oestradiol
- Progesterone
- Prolactin
- Testosterone
- Sex Hormone Binding Globulin, SHBG
- Free Androgen Index or Free Testosterone Calculation
Stress & Adrenal Hormones
- Cortisol
- DHEA-S / DHEA Sulphate
Thyroid Autoimmunity
- Thyroid Peroxidase Antibodies
- Thyroglobulin Antibodies
Advanced Thyroid Function
- TSH
- FT4
- FT3
- Thyroxine, T4
How to prepare
- Fasting required 8–12 h before the test (water only) recommended for glucose, cholesterol/triglyceride accuracy
- Sample timing: between 7:00 AM – 10:00 AM
- Stay hydrated; avoid strenuous exercise, heavy meals, and supplements (iron, B12, multivitamins, biotin) for 48 hours prior
- Continue prescribed medications unless otherwise directed
95 biomarkers. One complete picture.
A comprehensive internal health screen across your cardiovascular, liver, kidney, thyroid, hormonal, metabolic, immune and nutritional systems.
Why Your Health MOT Matters
A full body blood test, often referred to as a Health MOT, is designed to provide a comprehensive assessment of your internal health. Rather than investigating a single symptom or condition, it evaluates multiple biological systems simultaneously, offering a broad and structured overview of how your body is functioning.
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