Doctors, including family physicians, are crucial in promoting preventive healthcare, particularly in guiding patients towards healthier eating habits. With the introduction of Singapore’s Healthier SG initiative, which seeks to improve overall public health and reduce the incidence of chronic diseases, doctors play a crucial role in encouraging dietary changes during consultations. This article outlines practical strategies for doctors to support and assist patients in adopting healthier eating behaviours. It also delves into methods like individualised dietary advice, motivational interviewing and promoting of national health campaigns to influence patients’ behaviours effectively.