The fruit of many members of this genus is a very rich source of vitamins and minerals, especially in vitamins A, C and E, flavanoids and other bio-active compounds.

https://www.pfaf.org https://pfaf.org/user/plant.aspx?LatinName=Rosa+canina

Rosehips have been used in traditional medicine to treat a variety of ailments. Native Americans have used rosehip tea to soothe sore throats and indigestion.

https://www.webmd.com https://www.webmd.com/vitamins-and-supplements/rosehip-uses-and-risks