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Doctor's Assessment Included

Every result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.

Minerals

Transferrin

Transferrin is the delivery system for iron to working muscles. Monitoring it alongside ferritin and serum iron helps optimise oxygen transport for physical performance.

What It Measures

This test measures the amount of transferrin protein in your blood. It is used alongside serum iron and ferritin to assess iron metabolism and diagnose iron-related conditions.

Why It Matters

Transferrin levels help determine whether your body is getting enough iron and transporting it effectively. Abnormal levels may indicate iron deficiency, overload, liver disease, or chronic conditions. Consult your healthcare provider for interpretation.

When to Test

Testing is typically ordered as part of an iron panel when investigating anaemia, unexplained fatigue, or suspected iron metabolism disorders.

Symptoms

Low Levels

Low transferrin may be associated with iron overload, liver disease, chronic inflammation, or malnutrition. It can reduce the body's ability to manage iron levels properly.

High Levels

High transferrin is commonly seen in iron deficiency, as the body produces more transferrin to capture limited iron. It may also increase during pregnancy.

Lifestyle Tips

Maintaining a balanced diet with adequate iron from both animal and plant sources supports healthy transferrin function. If your levels are abnormal, work with your healthcare provider on appropriate interventions.

Frequently Asked Questions

What is transferrin saturation?
Transferrin saturation is the percentage of transferrin that is carrying iron. It helps evaluate how efficiently your body is using its iron transport capacity. Your healthcare provider can explain your results.
How is transferrin different from ferritin?
Transferrin transports iron in the blood, while ferritin stores iron in cells. Together, they provide a complete picture of iron metabolism.
Can pregnancy affect transferrin levels?
Yes, transferrin levels commonly rise during pregnancy as the body increases iron transport to support fetal development.

Test Products

This marker is included in the following test panels.

Health Checkups

InsideTracker

A 36-biomarker performance and longevity panel inspired by InsideTracker Ultimate — covering heart, hormones, metabolism, inflammation, recovery and iron status.

SHBG (Sex Hormone Binding Globulin) TSH (Thyroid Stimulating Hormone) ALT (Alanine Aminotransferase) LDL Cholesterol GGT (Gamma-Glutamyl Transferase) Cortisol DHEA-S Estradiol (E2) Free Testosterone Total Testosterone Folate (Folic Acid) Vitamin B12 Calcium Ferritin Iron (Serum) Magnesium Magnesium (Intracellular) Potassium Progesterone Sodium Transferrin CRP (C-Reactive Protein) Glucose (Fasting) HbA1c (Glycated Hemoglobin) ApoB (Apolipoprotein B) HDL Cholesterol Total Cholesterol Albumin AST (Aspartate Aminotransferase) Vitamin D (25-OH) Insulin (Fasting) Leukocyte Differential Creatine Kinase (CK) Transferrin Saturation Triglycerides Complete Blood Count (CBC)
€399,-

Whoop

A 44-biomarker comprehensive health panel inspired by WHOOP Advanced Labs — a deep look at metabolism, cardiovascular risk, hormones, liver, kidney and inflammation.

SHBG (Sex Hormone Binding Globulin) TSH (Thyroid Stimulating Hormone) ALT (Alanine Aminotransferase) LDL Cholesterol Cortisol DHEA-S Estradiol (E2) Free Testosterone FSH (Follicle Stimulating Hormone) LH (Luteinizing Hormone) Total Testosterone Bicarbonate Calcium Chloride Ferritin Iron (Serum) Magnesium Potassium Sodium Transferrin CRP (C-Reactive Protein) Homocysteine Glucose (Fasting) HbA1c (Glycated Hemoglobin) ApoB (Apolipoprotein B) HDL Cholesterol Omega-3 Index Total Cholesterol Albumin HOMA-IR ALP (Alkaline Phosphatase) AST (Aspartate Aminotransferase) Bilirubin (Total) Total Protein Urea (BUN) Creatinine Vitamin D (25-OH) eGFR (Estimated Glomerular Filtration Rate) Insulin (Fasting) Leukocyte Differential Transferrin Saturation Lipoprotein(a) Triglycerides Complete Blood Count (CBC)
€499,-