Celadrin Joint Health 1050 mg 90 Gels by Natural Factors is an herbal dietary supplement created from a proprietary blend of herbal oils designed to promote the healthy functioning of joints as well as improved flexibility and mobility. Celadrin Joint Health 1050 mg 90 Gels has proven beneficial to men and women who suffer regularly from low back pain. stiffness in the fingers and knee pain due to such chronic conditions as arthritis and rheumatism.