Vitamin D deficiency: The reason your supplements are not working - what you need to do

VITAMIN D deficiency can cause fatigue and tiredness, and in extreme cases, bone pain and muscle weakness. It is best absorbed through sunlight, which means during the winter months it can be difficult to obtain. Taking supplements is a good way of making sure you are efficient, but they may not be working properly, and this is the reason why.
Source: Daily Express - Health - Category: Consumer Health News Source Type: news