Ferritin
The Ferritin Test measures the amount of stored iron in your body. Iron is essential for energy, healthy red blood cells, and overall well-being. If your ferritin levels are too low, it may be a sign of iron deficiency or anemia, which can cause fatigue, weakness, and dizziness. If levels are too high, it could point to iron overload, which can affect your liver and other organs. This test helps figure out whether your iron levels are just right and can be useful if you're feeling tired all the time, pale, dizzy, or have unexplained health issues.
Test details
Sample type
Blood
Time of day
No Specific Time Needed
Fasting required
No
Results timeframe
Within 7 days
Preparation
No special preparation required.
What's measured in this test
Ferritin
Shows iron storage levels in your body.
Common reasons for testing
- Constant tiredness and low energy – Low ferritin may mean your body isn’t getting enough iron to make red blood cells.
- Pale skin, dizziness, or shortness of breath – Signs of iron deficiency anemia, which can affect how much oxygen your blood carries.
- Unexplained hair loss – Low iron levels can sometimes cause thinning hair.
- Checking for iron overload (hemochromatosis) – Too much iron can build up in the body and damage the liver, heart, and joints.
- Heavy periods – Women with heavy menstrual bleeding may lose more iron than their body can replace.
- Monitoring iron levels – Helps track iron levels if you’re taking iron supplements or being treated for anemia.