Vitamin K2 cuts night leg cramps by 50%: New study’s surprising findings The Times of IndiaVitamin K₂ reduces dreaded nighttime leg cramps in clinical trial Medical XpressVitamin K2 reduces the frequency, intensity, and duration of nighttime leg cramps News-Medical.NetSuffering from nighttime leg cramps? New study reveals Vitamin K2 as a promising solution Khaleej TimesVitamin K2 reduces night leg cramps by 50% in large clinical trial New Atlas