Low iron in the bloodstream can lead to a variety of problems, including iron deficiency anemia. As noted by the World Health Organization, anemia is the world's leading nutritional deficiency, affecting more than 30 percent of the world's population.

Red blood cells are needed by the body to transport oxygen to your cells, which your cells need to use glucose efficiently to make energy. If you are anemic, you have too few red blood cells.

The Food and Drug Administration have approved a total of nine food dyes that U.S manufacturers can use to enhance the color of foods. Red No. 40 and Red No. 3 represent two of the nine approved artificial food dyes, and are widely used in food manufacturing, particularly in processed foods.

GNC Mega Men is a multivitamin supplement produced by supplement retailer GNC, also known as General Nutrition Centers. Mega Men contains vitamins, minerals and antioxidants and is designed to support the nutritional needs of active men.

Iron is an essential mineral for health. Although the body stores some iron and usually can provide adequate amounts when dietary iron is low, low iron levels over a long time frame can cause iron deficiency anemia. Some people are at increased risk of low iron and may need iron supplements.

Beans, unlike most vegetables, contain a lot of protein and are sometimes used as a vegetarian protein source. They are also a significant source of carbohydrates, however, which can make it confusing to figure out how to count them if you are following a diabetes diet.

For some people, nothing beats a juicy and tender grilled steak. Many dieters prefer to shy away from red meat, however, because of studies showing an association with colorectal cancer and cardiovascular diseases.

Plain steamed crab meat is one of the healthiest foods you can eat. For a minimal amount of calories, you get lots of protein, a multitude of minerals and several B vitamins. You may want to select certain types of crab or keep your serving size small if you are at risk of developing heart disease, though.

The nuts you buy may sport a health claim approved by the Federal Food and Drug Administration which notes that eating 1.5 ounces of nuts daily may reduce your risk of heart disease.

Although the pomegranate is frequently overlooked as a go-to fruit because it's pricey and difficult to eat, it has an expansive list of health benefits, from increasing blood flow to decreasing rates of prostate cancer. It also boasts a powerful combination of antioxidants.

The nutrients in hard-boiled eggs are easy to calculate, compared to scrambled eggs. With scrambled eggs, the amount and type of fat used and the addition of high-fat cheese or meat changes the nutritional profile. Begin with the basic information for one hard-boiled egg versus a scrambled egg.

Glucerna products are dietary supplements from Abbott Nutrition, and choices include cereals and meal and snack shakes and bars. They are designed for individuals with diabetes, but they may be good for you even if you do not have diabetes.