Description Colpropur Flex Joints Collagen 336 g is a food supplement that contributes to the maintenance of normal bones, normal muscle function and the reduction of fatigue. In addition, Boswellia is used to promote joint comfort. Not only does it contribute to maintaining normal bone structure, but it also promotes proper muscle function and helps reduce fatigue. In addition, Boswellia, known for its properties promoting joint comfort, effectively complements this formula. This product has no flavor. Gluten-free, lactose-free, colour-free, GMO-free, sugar-free, fat-free. Vegan.