Vitamin K improves glycemic control in women

New research suggests vitamin K can help control blood sugar, but doctors aren’t sure how.

In this study, 82 overweight, pre-menopausal women with elevated blood sugar levels making them pre-diabetic, took 1,000 mcg of vitamin K1 phylloquinone per day, or a placebo. After four weeks, and two hours after participants drank a sweet measured glucose liquid, insulin and glucose levels had increased for placebo while declining for the vitamin K group.

Also, adiponectin—a protein in fat cells that helps regulate glucose and metabolize fats—was higher in the vitamin K group while declining for placebo. 

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