Each capsule of 100% Pure Danish Rose Hips provides 750 mg of pure joint health nutrition and natural seeds and husks of Rosa canina fruit. So, what is a rose hip, exactly? It's simply the fruit of a rose plant, and Rosa canina or Dog Rose, is the most widely used commercial source. Rose hips are widely recognized as a source of vitamin C, but they contain other active phytonutrients as well. We sought out the best, most pristine rose hips we could find to bring you this Swanson Ultra version of a time- honored natural supplement for joint and mobility health.