About this episode

This episode explores the relationship between vitamin D and multiple sclerosis, discussing evidence, uncertainties, and implications for patient care.

Vitamin D and multiple sclerosis have been linked for decades, but how strong is the evidence – and what does it mean for clinical practice? In this episode of the ECTRIMS Podcast, host Brett Drummond speaks with Prof. Eric Thouvenot from University Hospital of Nimes and Dr. Deborah Mason f rom Christchurch Hospital about the evolving science behind vitamin D and MS. Together, they explore: Why vitamin D deficiency is associated with increased MS risk The influence of latitude, sunlight exposure and genetics How vitamin D affects immune regulation and inflammation Findings from recent vitamin D supplementation trials As researchers continue to investigate vitamin D's role in MS, this episode provides a balanced look at what we know, what remains uncertain, and what it means for patient care.

People in this episode

Host: Brett Drummond

Guests: Prof. Eric Thouvenot, Dr. Deborah Mason

Topics covered

• Vitamin D
• Multiple Sclerosis
• Clinical Practice
• Immune Regulation
• Inflammation
• Supplementation Trials

Keywords

• Vitamin D
• Multiple Sclerosis
• Clinical Evidence
• Immune System
• Supplementation
• Risk Factors

Mentioned in this episode

Organizations: University Hospital of Nimes, Christchurch Hospital

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• Can the revised 2024 McDonald Diagnostic criteria solve the misdiagnosis problem in multiple sclerosis? · June 3, 2026 · 33 min
• EBV and Multiple Sclerosis: Could Infection Hold the Key to MS? · May 15, 2026 · 29 min

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