A big study shared in a science magazine called The BMJ has shared some exciting news about Vitamin D. This vitamin is not just good for keeping bones and muscles strong; it also helps fight off colds and the flu. Scientists from all over, including places like the U.S., Canada, and the U.K., looked at lots of smaller studies involving over 11,000 people to find this out.

Carlos Camargo, a doctor from Massachusetts General Hospital, and his team found that taking Vitamin D regularly is especially good for people who don’t have enough of it in their bodies. If these folks take Vitamin D every day or once a week, they can cut their risk of getting sick in half. But taking big doses once in a while doesn’t really help.

This discovery is a big deal because colds and the flu make millions of people sick every year. Knowing how Vitamin D can help might mean fewer people need to go to the hospital. It also means that adding Vitamin D to foods could be a good idea to help everyone get enough of it.

Now, there’s a cool gadget called the Sperti Vitamin D Sunlamp that can help you get Vitamin D without taking pills. It’s like a little sun that you can use indoors for about 5 minutes every other day. This lamp gives you about 2300 IUs of Vitamin D, which is a good amount to keep you healthy.

Using this lamp could be a simple way for people to get more Vitamin D, especially when the sun isn’t out much. This study shows that Vitamin D is super important for fighting off colds and flu and keeping us healthy in a natural way.