Versele Laga Oropharma Can-Tax. Red colourant based on canthaxantin Oropharma Can-Tax is a red colourant based on canthaxantin. This dietary supplement colours red canaries, intensifies the red colour in other birds and ensures a beautiful even red colour. When adding Can-Tax to the food canthaxantin is transported to the place where the feather is growing and it is given the more intense red colour. The feather formed retains its colour until the formation of a new feather. Ensures a beautiful even red colour in red canaries Can intensify the red colour in other birds In combination with Oropharma Avi-Chol, for an optimal liver function Composition Glucose, cornstarch Additives/kg Nutritional additives 3a700 vitamin E 2000 mg Technological additives Antioxidants Sensory additives 2a161g canthaxantin 10000 mg