Rice Krispies noun (A trademark for) a breakfast cereal made from grains of rice which are steamed, sweetened, and then heated rapidly in the manner of popcorn; (also in singular) a piece of this cereal.
A ferritin test measures the amount of ferritin in your blood. Ferritin is a blood cell protein that contains iron. A ferritin test helps your doctor understand how much iron your body is storing.
Ferritin Test: The ferritin blood test can detect elevated or low levels of ferritin in the body, which may indicate disease such as iron deficiency anemia, hemochromatosis, rheumatoid arthritis, and certain cancers. Ferritin is a protein in the body that is used to store iron.