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 ...

Why ferritin matters: Ferritin stores and releases iron, fueling red blood cell production and oxygen delivery throughout the body. Low vs. high signs: Low levels can cause fatigue, dizziness, and ...

The signs of low ferritin, a protein that stores iron in your body, include fatigue, dizziness, and headaches. High ferritin can cause stomach pain, heart palpitations, joint pain, and more. To test ...

Many women unknowingly suffer from iron deficiency, mistaking fatigue and other symptoms as normal. A ferritin test reveals the body's iron stores, crucial for women due to menstruation, pregnancy, ...

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 stores and releases iron (a mineral) in the body. A ferritin test measures how much of this protein is in your blood, helping diagnose health conditions caused by too much ...

New research is challenging long-standing ferritin cutoffs for diagnosing iron deficiency, with experts calling for higher, physiologically based thresholds. Studies show that using updated cutoffs ...