Not many people are aware of this, but our main source of Vitamin D is sunlight exposure. Whilst this is beneficial during the summer, the reduced sunlight in winter can deprive us of this essential source, leading to a significant drop in our Vitamin D levels.
The above reason us why we have to find ways to compensate for the lack of vitamin D, especially if you find yourself tired or achey more than usual. The best vitamin D supplements are a great way to maintain healthy levels, but there's one type of food that does it a little better than the rest.
