Like many kadais, granite kadais do not have any extra pre-seasoned vegetable oil, gingelly oil, or corn starch coating. So, it does not have any additional healthy characteristics. But the surface of the granite kadai is toxin-free and does not have any other chemical composition in it. Though it is not fruitful nutritionally, it is not hazardous to health either. All in all, using a granite kadai can be good for your health.