Vitamin A: A Visionary Vitamin

Vitamin A: A Visionary Vitamin

Vitamin A is an essential component of the human diet. The vitamin is present in numerous foods, including liver and other animal meats, carrots, sweet potatoes, mangos, eggs and butter. Sometimes it is absorbed as a vitamin, and sometimes it is absorbed as a provitamin and must be converted by the body. This vitamin is stored in the liver, and is necessary for the proper functioning of many parts of the body, from the immune system to the eyes and everything in-between. However, like many minerals and supplements, vitamin A can be toxic if taken in exorbitant doses.

The Good

Vitamin A is one of the most essential factors in good eyesight. From pigments to the cornea itself, the vitamin influences how well a person sees, what they see and when they see it. The vitamin aids in the creation of rhodopsin, a pigment in the eye capable of producing night vision. It also protects the corner and retina from drying out.

Vitamin A also plays a role in the