Have you ever wondered why winter feels a little heavier on the body—sluggish mornings, low mood, more infections and that constant sense of tiredness? One big reason is a drop in vitamin D levels.

Both vitamins are good for you. Taking vitamin D, however, is better for directly boosting your energy and immunity, ...

The sunshine vitamin could affect your immune system and heart health. It has started to get really wintry here in London over the last few days. The mornings are frosty, the wind is biting, and it’s ...