Iron % saturation
Iron % saturation: A laboratory measurement. Consult clinical resources for specific interpretation.
Iron Saturation Biomarker Test
Iron Saturation, also called transferrin saturation (TSAT), shows the percentage of your iron-transport protein (transferrin) that is carrying iron. It reflects how much iron is immediately available to your tissues for energy, oxygen transport, thyroid function, and neurotransmitter synthesis.
Low TSAT indicates iron shortfall from low intake, absorption issues, or blood loss. High TSAT signals oversupply or tissue release, raising the risk of oxidative damage and organ stress. Interpreting TSAT alongside ferritin, TIBC, and a complete blood count provides a clear, real-time picture of iron status for smarter, safer decisions.

Iron % saturation
A cycle built for lifelong progress
Each pass deepens the picture, tracks your trajectory, and makes the next recommendation smarter than the last.
If you are in Netherlands, please check the extra step regarding a kit you will receive before going to the lab.
Choose from +300 certified partner labs across Europe. Our first comprehensive draw captures +100 essential biomarkers, everything from cardiovascular markers and metabolic panels to hormone profiles and immune function. You show up. We handle the rest.

Our experts - not just algorithms - perform a whole-body analysis across cardiovascular, hormonal, metabolic, and immune systems. You receive an Axo Health Score, a Biological Age calculation, and a full breakdown of every marker: what it means, why it matters, and where you stand relative to true optimal ranges - not just lab reference ranges.

Your personalised health blueprint, built by Dr. Niko Mihic and Dr. Andy Walshe's sports science methodology. Not generic advice - specific, ranked, actionable interventions in nutrition, sleep, supplementation, exercise, and stress. Each recommendation is tied directly to your markers and calibrated to your lifestyle.

At the 6-month mark, a follow-up panel of targeted biomarkers confirms whether your interventions are working. Watch your score improve. See your biological age trend downward. Then the cycle begins again - deeper, sharper, and compounding with every pass.

