Weight Gain Blood Test

Attend your appointment and one of our experienced nurses or phlebotomists will collect your blood sample. If your test also includes another sample, such as urine or stool, we will provide the necessary collection kit and clear instructions.

Results are typically available within 2–3 working days. Some individual markers may take longer if they require specialist laboratory processing. We will normally wait until the full profile is complete before issuing your reviewed results.

Yes. As this profile includes insulin and/or C-peptide, we recommend fasting for 8–12 hours beforehand. Please drink plain water and take usual medication unless you have been specifically advised otherwise.

This test may be particularly useful for: Weight gain; Difficulty losing weight; Slow metabolism; Increased waist circumference; Preventative health.

This test is commonly chosen when investigating: Weight gain; Difficulty losing weight; Fatigue; Increased appetite; Sugar cravings; Poor energy. Blood tests are only one part of an assessment, and results should be considered alongside your symptoms and medical history.

This test may help assess or investigate: Insulin resistance; Metabolic syndrome; Diabetes & pre-diabetes; Thyroid disorders; Iron deficiency; Vitamin D deficiency; Vitamin B12 deficiency; Folate deficiency; Early kidney dysfunction; Inflammation. An abnormal result does not necessarily confirm a diagnosis, but it may help guide further assessment.

This profile includes: Full Blood Count (FBC); Iron Studies; HbA1c; Fasting Insulin; C-Peptide; Urea & Electrolytes (U&E); Creatinine; Cystatin-C; Liver Function Tests (LFT); Calcium; Magnesium; Vitamin D; Vitamin B12; Folate; TSH; FT3; FT4; Thyroid Peroxidase Antibodies (TPO); Thyroglobulin Antibodies; High-Sensitivity C-Reactive Protein (hs-CRP).