Related Experiment Video
Updated: Feb 16, 2026

Adjunctive Diode Laser Therapy and Probiotic Lactobacillus Therapy in the Treatment of Periodontitis and Peri-Implant Disease
Published on: May 9, 2022
A review of vitamin D supplementation as disease-modifying therapy
Thomas Jack Shoemaker1, Ellen M Mowry1
1Department of Neurology, School of Medicine, The Johns Hopkins University, Baltimore, MD, USA.
Abstract:
Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system (CNS) and a major contributor to disability of young adults in western countries. MS prevalence is highest in areas with low vitamin D. Vitamin D is a fat-soluble compound with numerous physiologic responses, including immune regulation. An increasing volume of work suggests that lower levels of serum vitamin D are associated with an increased risk of MS and a more severe disease course. With the suggestion of a role in MS disease activity, increasing attention is being paid to the potential of using vitamin D as an add-on therapy to established MS disease-modifying therapies. Several preliminary studies have reported results which have shown some promise, but none has yet provided significant evidence of a clinically meaningful improvement. We review our recommendations for off-label supplementation in the context of these findings.
Insights
Multiple sclerosis (MS) is a CNS disease linked to low vitamin D. While vitamin D shows promise as an add-on therapy for MS, current evidence for significant clinical improvement is limited.
Area of Science:
- Neuroimmunology
- Endocrinology
- Epidemiology
Background:
- Multiple sclerosis (MS) is an inflammatory central nervous system (CNS) demyelinating disease, a leading cause of disability in young adults.
- MS prevalence is notably higher in regions with lower sunlight exposure and vitamin D levels.
- Vitamin D, a crucial fat-soluble compound, plays a significant role in immune system regulation.
Purpose of the Study:
- To evaluate the association between serum vitamin D levels and MS risk and disease severity.
- To explore the potential of vitamin D supplementation as an adjunctive therapy for MS.
- To review current evidence and provide recommendations for off-label vitamin D use in MS management.
Main Methods:
- Review of existing literature on vitamin D levels in MS patients.
- Analysis of studies investigating vitamin D's role in MS pathogenesis and progression.
- Evaluation of preliminary clinical trial data on vitamin D add-on therapy for MS.
Main Results:
- Lower serum vitamin D levels correlate with an increased risk of developing MS.
- Reduced vitamin D is associated with a more severe disease course in individuals with MS.
- Preliminary studies suggest potential benefits of vitamin D supplementation, but lack significant evidence of clinical efficacy.
Conclusions:
- Vitamin D's role in MS pathogenesis warrants further investigation.
- Current evidence does not support vitamin D as a standalone or definitively effective add-on therapy for MS.
- Recommendations for off-label vitamin D supplementation require careful consideration of existing data and patient-specific factors.
Related Concept Videos
Vitamins
Gene Therapy
Review and Preview
Percentiles are a type of fractile that partition data into...
Review and Preview
Role of Skin in Vitamin D Synthesis
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin...
Mineral, Vitamin and Water Absorption

