GOPO? Joint Health is made from 100% specially cultivated natural rose-hip and is the only product of its kind to contain a high level of GOPO? - a key component of the rose-hip. GOPO? was discovered over 20 years ago in Denmark and significant levels can only be obtained if the rose-hips are dried using a special patented process. GOPO? has been available in Denmark for over ten years and has been the subject of several scientific studies. GOPO? Joint Health is made from 100% specially cultivated natural rose-hip and is the only product of its kind to contain a high level of GOPO? - a key component of the rose-hip. GOPO? was discovered over 20 years ago in Denmark and significant levels can only be obtained if the rose-hips are dried using a special patented process. GOPO? has been available in Denmark for over ten years and has been the subject of several scientific studies.