Our Fatigue Investigation Panel combines three key areas of fatigue causes: vitamin D status (for immunity and energy), complete thyroid assessment, and comprehensive iron studies (including ferritin) to identify potential deficiencies or metabolic issues behind persistent tiredness.
Markers
CRP HS, Iron, TIBC, Transferrin Saturation, Ferritin, Vitamin D, TSH, Free Thyroxine.
Special Instructions
Prepare for your test by following these instructions. Take your sample before 10am. Take this test when any symptoms of short-term illness have settled. Take your sample at least 24 hours after any vitamin or mineral supplements. Do not take biotin supplements for two days before this test, discuss this with your doctor if it is prescribed.




