I am currently doing a realist review into plant-based diets for older adults in care homes where I need to understand how the intervention works, why it works, under what circumstances in works and for whom it could work. This will help form a context-mechanism-outcome configuration that can help form a program theory. I am looking for stakeholders, whether those involved in nutrition, care or both, who can help provide expertise that can guide the creation of an initial program theory along with literature