During the six months of Denmark’s frigid winter, 107 study volunteers took either two grams of liquid rose hip (marketed as Hyben Vital) or a placebo daily. University of Copenhagen researchers found that the rose hip group experienced 18 percent fewer colds, as well as significantly fewer symptoms such as coughing, headache, muscle stiffness and fatigue when they did get a cold.

This article appears in the March 2019 issue of Natural Awakenings.