Iron is a nutrient that helps transport oxygen around your body. If you don’t get enough iron, it can lead to iron deficiency anaemia. Your iron levels can drop if:
Heavy periods can also cause your levels to drop.
If you have iron deficiency anaemia, symptoms can include:
Long-term, iron deficiency anaemia might lead to issues like an irregular heartbeat or an increased susceptibility to infections.
A blood test can help you track your iron levels and improve your health.
Ferritin
Ferritin stores iron and releases it when your body needs it. So your ferritin levels are a useful indicator of your body's iron status. Low levels can indicate that you have iron deficiency anaemia.
Total iron binding capacity
A total iron-binding capacity (TIBC) test measures your blood's capacity to bind and transport iron. This can help indicate if you’re deficient in iron.
Transferrin saturation
Transferrin is a protein that transports iron around the body. A transferrin saturation test measures the amount of iron bound to transferrin. This helps check for iron deficiency.
Unsaturated iron binding capacity
Unsaturated iron-binding capacity (UIBC) is the amount of iron binding sites on transferrin (transports iron around your body) that aren't bound to iron. If you’re deficient in iron, your UIBC will be high.
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