Horseshoe Crab (Limulus polyphemus) - A species that has changed little in the last 400 million years, the Atlantic horseshoe crab is one of four species of horseshoe crab still alive, but the only one found in the Western Hemisphere.
To improve your absorption of iron, eat it along with a good source of vitamin C -- such as orange juice, broccoli, or strawberries -- or eat nonheme iron foods with a food from the meat, fish, and poultry group. If you have trouble getting enough iron from food sources, you may need an iron supplement.
Vitamins allow your body to grow and develop. They also play important roles in bodily functions such as metabolism, immunity and digestion. There are 13 essential vitamins, including vitamins A, C, D, E, and K and B vitamins such as riboflavin and folate. According to the U.S. National Library of Medicine, the best way to meet your vitamin needs is to eat a balanced diet containing a variety of foods.