| Effect | None |
| Trial Design | Randomized trial |
| Trial Length | 1-6 months |
| Number of Subjects | 30 |
| Sex | Female |
| Age Range | 45-64 |
| Body Types | Average |
Supplementation of 10.5g rose hip powder daily for four weeks in persons with rheumatoid arthritis as well as a group of healthy controls failed to reduce symptoms of rheumatoid arthritis or to influence biomarkers (red blood cell antioxidant enzymes or C-reactive protein) relative to baseline; no placebo group was used in this study.
