Relationship: Obsessive Compulsive Disorder and vitamin D

Evidence supporting the use of: Vitamin D
For the health condition: Obsessive Compulsive Disorder

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Source of validity: Scientific
Rating (out of 5): 1

There is limited but emerging scientific evidence suggesting a possible link between vitamin D levels and Obsessive Compulsive Disorder (OCD). Several small studies and case reports have observed that individuals with OCD may be more likely to have lower serum vitamin D levels compared to healthy controls. Some hypotheses suggest that vitamin D, as a neurosteroid, may play a role in brain function, inflammation, and neurotransmitter regulation—all processes potentially relevant to OCD pathophysiology. However, the majority of these studies are correlational in nature and do not establish causality. A few small interventional studies have attempted vitamin D supplementation in patients with OCD, but results are preliminary, with some reporting modest improvements in symptoms and others showing no significant effect.

There is currently insufficient high-quality evidence (such as large randomized controlled trials) to recommend vitamin D specifically for the treatment or management of OCD. Major psychiatric guidelines do not include vitamin D supplementation as a standard therapy for OCD. However, since vitamin D deficiency is common and can have other health consequences, clinicians may screen for and treat deficiency in patients with psychiatric disorders, including OCD, as part of general health optimization. In summary, while there is a scientific rationale and some early evidence linking vitamin D and OCD, the current scientific support for its use as a treatment is weak.

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Evidence supporting the use of: Vitamin D
For the health condition: Obsessive Compulsive Disorder

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Evidence supporting the use of: Vitamin DFor the health condition: Obsessive Compulsive Disorder

Table of Contents

Synopsis

Other ingredients used for Obsessive Compulsive Disorder

Other health conditions supported by vitamin D

Products containing vitamin D

Evidence supporting the use of: Vitamin D
For the health condition: Obsessive Compulsive Disorder