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 ...

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.

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, ...

While there are numerous variables that can contribute to fatigue, iron is as important to runners as water. If your iron levels are low and you don’t do anything about it, you will eventually feel ...