In ‘Obesity, equity and choice’ (J Med Ethics 2018;0:1–7. doi:10.1136/medethics-2018-104848), Timothy Wilkinson argues that preventive regulations to address obesity, such as taxes on sugary drinks, are at worst inequitable and at best fail to increase or improve equity. He concludes that we do not yet have good reasons to adopt them. I argue that equity considerations are not as problematic for preventive regulations as Wilkinson suggests.