A study published in JAMA Internal Medicine found that vitamin K2 supplementation reduced the frequency, intensity, and duration of nocturnal leg cramps in older adults. The study included 199 adults aged 65 years or older who received daily vitamin K2 capsules or a placebo for 8 weeks. Results showed a significant reduction in the frequency of leg cramps in the vitamin K2 group compared to the placebo group, with no adverse effects reported. Researchers emphasized the need for further clinical trials to confirm the efficacy of vitamin K2 in managing leg cramps and its impact on quality of life and sleep.
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Vitamin K reduces frequency, severity of nocturnal leg cramps
