So far there is not enough data on the theory that vitamin D deficiency causes depression or that supplements alone can be the cure.
More studies of larger clinical populations are needed to confirm the dosage and duration of treatment.
Depression affects 280 million people worldwide every year.
Antidepressants are not effective in improving symptoms in all people, and scientists are looking for new treatments.
Our body needs the right amount of vitamin D to function normally, on a physical and spiritual level.
There is an increasing number of elements linking vitamin D with depression.
A new meta-analysis of 41 scientific studies shows that vitamin D supplements can reduce symptoms in people diagnosed with depression.