Vitamin D and marine omega 3 fatty acid supplementation and incident autoimmune disease: VITAL randomized controlled trial
Hahn J, Cook NR, Alexander EK
Published in BMJ
Methodology
2x2 factorial randomised double-blind placebo-controlled trial of vitamin D3 2000 IU/day and omega-3 1 g/day over 5.3 years.
Key Findings
Vitamin D reduced confirmed incident autoimmune disease by 22% (HR 0.78); omega-3 alone showed a non-significant 15% reduction that reached significance including probable cases.
Conclusions
Vitamin D, with or without omega-3, reduced incident autoimmune disease in older adults.
Limitations
Older population; modest absolute risk reduction; single dose tested.
Supplements Studied
Omega-3 showed a non-significant 15% reduction in incident autoimmune disease.
Vitamin D reduced confirmed incident autoimmune disease by 22% (HR 0.78).
Outcomes Measured
Vitamin D, with or without omega-3, reduced incident autoimmune disease in older adults.
Vitamin D reduced confirmed incident autoimmune disease by 22%.
Related Health Concerns
Study Details
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This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.