We have enhanced levels of key compounds and nutrients associated with supporting joint health and comfort, including increased levels of the key minerals copper and silicon. You may notice tiny blue particles distributed through the product ? this is the important trace mineral copper, vital for bone and muscle health, and supplied through bioavailable chelated copper. The tiny brown particles are the silicon, supplied as monosilicic acid, which plays a key role in cartilage and bone health. The new formulation also includes an attractive apple aroma!