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Long-term food security, important for survival of future generations, is threatened by a degrading environment and dependent upon sustainable agricultural methods.(1) Conventional agriculture relies on input of finite resources (eg, fossil fuels, pesticides) and contributes to climate change, biodiversity loss, and soil degradation, and is consequently unsustainable.(2) Alternative, more sustainable methods of agriculture exist (eg, organic agriculture, agroecology) and are sometimes termed “regenerative agriculture”(RA). While the definition of RA remains contentious, recent reviews aiming to clarify RA identified no-to-low external inputs as a key characteristic of the practice.(1, 3) This scoping review aimed to understand what “no-to-low external input” means in the context of RA, including input types and methods of use, plus effects on food production outputs. The objective was to examine peer-reviewed and grey …