Ferritin
The body's iron storage protein — low values indicate depletion, high values often reflect inflammation rather than iron overload.
Definition
Ferritin reflects body iron stores; it's the first lab to drop in iron depletion, well before haemoglobin. Low values (<30 ng/mL in most adults) suggest iron-deficiency anaemia. High values can indicate genuine iron overload (haemochromatosis) or — far more commonly — acute-phase inflammation. Interpret alongside CRP or hs-CRP.
Reference Range: Low values (<30 ng/mL in most adults) suggest iron-deficiency anaemia.
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CBCComplete Blood Count
A foundational blood test measuring red cells, white cells, platelets and haemoglobin — used as a safety baseline before most peptide protocols.
Biomarkerhs-CRPHigh-Sensitivity C-Reactive Protein
A sensitive inflammation marker — elevated values change which peptides a clinician selects and at what dose.
Clinical ConceptInflammation
The body's protective response to injury or infection — helpful acutely, destructive when chronic, and a major target of several peptides.
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