As we move towards shorter days, our exposure to sunlight decreases. Not only do we have to pull on that jumper to keep warm but the ability to achieve our daily requirement of Vitamin D reduces. Vitamin D is one of 13 vitamins. It’s principle role is keeping bones healthy by increasing the uptake of calcium from the gut. It may also play a role in many other organs including the heart, blood vessels, muscles and a number of endocrine glands. Your skin produces Vitamin D when