A qualitative study of older adults’ and healthcare professionals’ perspectives on the potential of functional food products to support healthy ageing

•Functional food products are a novel approach to promote healthy ageing and prevent age-related decline•A novel food product could supplement, but not replace, a balanced diet , particularly for additional protein and fibre needs•Acceptability and accessibility involves both food (taste, texture, ease of use), and packaging (non-waste, easy-to-open)