Effect of Rosa canina L. (Rose-hip) on cold during winter season in a middle-class population: A randomized, double-blinded, placebo-controlled trial

ConclusionOur data suggest that administration of liquid Rose-hip reduces the incidence of colds by 18% and lowers the number of patients reporting the different symptoms of cold.
Source: Journal of Herbal Medicine - Category: Complementary Medicine Source Type: research