BackgroundGlobally, 71% of deaths are due to non-communicable diseases (NCDs) of which 77% of these deaths occur in low-and-middle income countries. Nutrition is an important contributor to the occurrence, progression and management NCDs. Health care professionals’ promotion of the adoption of healthy dietary habits among individuals has been shown to reduce the occurrence of NCDs. We assessed the effects of a nutrition education intervention on medical students’ self-perceived preparedness to provide nutrition care.MethodsWe administered a pre, post and four-weeks follow-up questionnaire to second year medical students who participated in a nutrition education intervention that adapted varied teaching and learning activities. Outcomes were self-perceived preparedness, relevance of nutrition education and perceived need for further training in nutrition. Repeated measures and Friedman tests were used to assess differences in mean scores across pre, post and 4-weeks follow up assessment based on p < 0.5 at 95% confidence interval.ResultsThe proportion of participants who felt prepared to provide nutrition care increased significantly (p = 0.001) from 38% (n = 35) at baseline to 65.2% (n = 60) immediately post-intervention and to 63.2% (n = 54) at 4-weeks follow-up. At baseline, 74.2% (n = 69) of the students perceived nutrition education to be relevant to their future career as medical doctors which increased to 85% (n = 78) immediately after the intervention (p = 0.026) and to 76% (n = 70) 4-weeks follow-up. The proportion of participants who reportedly said they will benefit from further training in nutrition increased from 63.8% (n = 58) at pre-intervention to 74.0% (n = 68) at post-intervention (p = 0.016).ConclusionAn innovative, multiple-strategy nutrition education intervention can improve medical students’ self-perceived preparedness to provide nutrition care.Supplementary InformationThe online version contains supplementary material available at 10.1186/s13104-023-06348-5.