2023-06-29 11:00:00
Atrial fibrillation is the most common arrhythmia. This condition, which is characterized by irregular and rapid heartbeats, is associated with an increased risk of stroke, heart failure and death. Researchers at the University of Eastern Finland have just shed light on a potential way to prevent this heart disease: taking high doses of vitamin D.
Vitamin D: a reduction in the risk of atrial fibrillation of up to 32%
The study followed 2,495 elderly participants, including men 60 or older and women 65 or older. These participants were divided into three groups: a placebo group and two groups taking doses of vitamin D3 above the recommendations of 20 micrograms. One had a supplement of 40 micrograms (1,600 IU) per day, while the other received a supplement of 80 micrograms (3,200 IU) per day.
The researchers analyzed the medical data collected after five years of follow-up. They found that the risk of atrial fibrillation was 27% lower in the group taking 40 micrograms of vitamin D daily and 32% lower in the group having 80 micrograms compared to the placebo group.
Vitamin D and heart health: more research needed
Although this study brings promising results, the scientists point out in their communiqué that further research is needed to confirm these results. It is important, they say, to understand the mechanisms underlying the protective effect of vitamin D against atrial fibrillation.
Additionally, more work is needed to assess the long-term health effects of taking high doses of the nutrient.
The results of the University of Eastern Finland experiment have been published in the journal American Heart Journal June 10, 2023.
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