Below are articles discussing the beneficial effects of Vitamin D in Chronic Pain:
- Prevalence and clinical correlates of vitamin D inadequacy among patients with chronic pain
- Vitamin D and chronic widespread pain in a white middle-aged British population: evidence from a cross-sectional population survey
- Low Vitamin D Levels Associated With Chronic Pain In Women
- Vitamin D for Chronic Pain
Here's the full article. Also a great read if you're interested in even more detail:
Finally, here's a shorter Practicioner Briefing:
Practicioner Briefing: Vitamin D— A Neglected ‘Analgesic’ for Chronic Musculoskeletal Pain