Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is scattered and filtered through Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon.

What does a sunlamp do?

A sun lamp, also called a SAD lamp or light therapy box, is a special light that mimics natural outdoor light. Light therapy, also sometimes called bright light therapy, is an effective treatment for seasonal affective disorder (SAD).

Do SAD lamps give Vitamin D?

Try a SAD LAMP or light box

In the winter there are fewer hours of sunlight during the day - This usually means our openness to natural daylight is less than usual. This limited exposure can lower the production of Vitamin D that we need to maintain our calcium and phosphate levels.