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.
The ferritin blood test is used to determine the cause of anemia symptoms, such as headaches, dizziness, weakness, pale skin and chronic fatigue, states Lab Tests Online. It is also used to check for iron overload in people suffering abdominal pain, fatigue, joint pain, weight loss or loss of body hair.