Iron is an important mineral that is necessary for a healthy body. Iron helps produce the oxygen-carrying proteins hemoglobin and myoglobin. Persistent low iron levels are more pronounced in menstruating, pregnant or lactating women, vegetarians, long-distance runners, and people with bleeding ulcers.

Purported to boost the immune system and help ward off disease, wheatgrass is a staple on many health-conscious menus.

The Centers for Disease Control and Prevention describes iron deficiency as the most common nutritional deficiency worldwide. Though it's more common in developing countries, many Americans suffer from low iron. Because of regular menstrual blood loss, women are especially vulnerable.

Anemia presents in a number of different forms with different symptoms. One symptom common to most types of anemia is dizziness. A patient with a diagnosis of anemia will note that dizziness began with the onset of the other anemia symptoms.

HCT and HGB are extremely common blood tests, which are usually measured together. HCT -- short for hematocrit -- is the volume of red blood cells (RBCs) within a specific volume of blood. HGB -- or hemoglobin -- is the amount of HGB in a specific volume of blood.

A low red blood cell count can be a sign of anemia, a condition in which the body does not have enough normal red blood cells and the blood is unable to carry enough oxygen to the tissues that need it.

Anemia is a condition in which you have low iron levels. Iron is an important nutrient because it helps your body make red blood cells and it helps your blood carry oxygen. Iron is found in a variety of sources such as beans; leafy green vegetables; beef; and in other meats such as duck, lamb and shrimp.

Anemia is most often caused by low iron or vitamin B levels in the blood. During pregnancy, the volume of blood in your body expands by about 50 percent, so you need extra iron to prevent anemia. According to the BabyCenter.