Vitamin D twice a day reduces Vertigo recurrence- Study
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Taking vitamin D and calcium twice a day may reduce your chances of getting vertigo again, according to a study published in Journal Neurology.

The study looked at 957 people in Korea with benign paroxysmal positional vertigo who were treated successfully with the head movements. The participants were separated into two groups, intervention and observation.

The 445 people in the intervention group had their vitamin D levels taken at the start of the study. The 348 people with vitamin D levels below 20 ng/mL were started on supplements with 400 IU of vitamin D and 500 mg of calcium twice daily, while those with vitamin D levels equal to or greater than 20 ng/mL were not given supplements.

Those in the intervention group who took the supplements had a lower recurrence rate for vertigo episodes after an average of one year than those in the observation group. People taking supplements had an average recurrence rate of 0.83 times per person-year, compared to 1.10 times per person-year for those in the observation group, or a 24% reduction in the annual recurrence rate.

There appeared to be greater benefit for those who were more deficient in vitamin D at the start of the study. Those who started with vitamin D levels lower than 10 ng/mL saw a 45% reduction in annual recurrence rate, while those starting with vitamin D levels at 10 to 20 ng/mL saw only a 14% reduction. A total of 38% of the people in the interventional group had another episode of vertigo, compared to 47% of those in the observation group.

This study suggests an inexpensive, low-risk treatment like vitamin D and calcium tablets may be effective at preventing this common, and commonly recurring, disorder.

Source: https://n.neurology.org/content/early/2020/08/05/WNL.0000000000010343
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