Ferritin is a blood protein that stores iron. A ferritin blood test can indicate if iron levels are high or low. Low levels can indicate anemia. Low ferritin levels may indicate an iron deficiency.

Ferritin is a protein that’s produced in the body’s cells, and largely concentrated in the liver and immune system cells. Ferritin stores and releases iron, which is essential for producing red blood ...

Ferritin is a protein that stores iron for your body. Iron is a mineral needed to make hemoglobin—a protein in red blood cells that carries oxygen-rich blood from your lungs to the rest of your ...