Holland barrett glucosaminechondroitin rose hip caplets glucosamine is produced naturally in the body yet there are no major food sources of this substance it is a major structural component within joint tissue chondroitin also occurs naturally in the body and is a major component of cartilage the tough connective tissue within joints holland barrett glucosaminechondroitin rose hip caplets contains glucosamine chondroitin rose hip coated caplets food supplement holland ba