Vitamin D Helps Migraines – and Maybe Backs too

Given  Vit D3 (100ug = 4000 IU/day), subjects got reduced levels of migraines that took 3 months to be effective.

Gazerani, P., et al.
A randomized, double-blinded, placebo-controlled, parallel trial of vitamin D3 supplementation in adult patients with migraine.
Current Medical Research and Opinion just-accepted (2018): 1-22 in press

  • 24 cases in Vit D3 100ug = 4000 IU or placebo
  • with meds, blood vit D3 levels were 87.43±32.00 nmol/l  vs placebo 78.96±30.86 nmol/l


Comment –

  • recent evidence suggests 8000 IU/day Vit D3 is optimal with blood levels over 100 nmol/l.
    Prev Med Public Health. 2017 Jul; 50(4): 278–281. The Big Vitamin D Mistake. Dimitrios T. Papadimitriou
  • study did not achieve over 100 nmol/l blood levels
  • It took 3 months to show results that would have been much quicker with 8000iu/day
  • I use Osto-D2 50,000 IU Vitamin D2 once weekly – which would come to 7500 iu/day
  • Interesting how placebo effect works – good initial month but wears off after
  • So previous studies finding improvements in pain, back pain and now migraines with vit D were more likely related to sub-optimal doses.


Recent study found it helped back pain in those:

  • deficient in vit D (ie many darker skinned immigrants)
  • more obese subjects

J Steroid Biochem Mol Biol. 2018 Sep 7. pii: S0960-0760(18)30435-7. doi:
10.1016/j.jsbmb.2018.09.005. [Epub ahead of print]
Vitamin D supplementation may improve back pain disability in vitamin D deficient
and overweight or obese adults.
Brady SRE et al



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