Vitamin A is an essential and diverse nutrient that plays a huge role in the human body. This vitamin is actually a group of compounds which are essential to maintaining healthy reproduction, proper growth, vision, and regulating the immune system. There are two kinds of Vitamin A-you can get it from either plant products or animal products.

Millions of people around the world come down with a cold each year, thanks to the approximated 200 viruses known to cause colds. A number of things can cause a cold -a change in temperature or seasons, stress, and allergies.