Vitamin D in schizophrenia and depression – is it all about the sunshine?

by Dr Deshwinder Singh Sidhu and Dr John Lally 


Published: October 2020


This module looks at the role of vitamin D in mental health. Vitamin D deficiency is a global phenomenon and has been associated with a wide range of physical and mental disorders. People with mental disorders, especially those with psychotic disorders, are an at-risk population for this deficiency.


In this module we will:


  • discuss the links between vitamin D deficiency and schizophrenia and depression, highlighting the prevalence of vitamin D deficiency in these conditions


  • summarise the risk factors for vitamin D deficiency


  • list the associations with illness aetiology, symptom occurrence and physical illness in schizophrenia and depression


  • examine the potential role of vitamin D as a treatment augmentation strategy in schizophrenia and depression.


Start the module


This module is a joint commission with the following article published in BJPsych Advances:

Lally J, Gaughran F (2019) Vitamin D in schizophrenia and depression: a clinical review. BJPsych Advances, 25: 240–248. [PDF]


© 2021 Royal College of Psychiatrists