BACKGROUND: Nutrition risk is common in Alzheimer's disease and is associated with symptoms of dementia, cognitive decline, institutionalization, and mortality. Family caregivers who increasingly manage nutrition needs of persons with dementia (PWD) experience high caregiver burden, low health literacy, and nutrition risk. Few interventions for informal caregivers have included nutrition. OBJECTIVE: To inform design of a future caregiver nutrition intervention. METHODS: This cross-sectional study used a convergent mixed methods approach to 1) assess nutrition status among PWD and caregiver dyads (measures in common included Mini Nutrition Assessment, skin carotenoid, and handgrip strength), and 2) interview caregivers to identify needs and barriers for nutrition intervention. We hypothesized caregiver nutrition literacy is associated with PWD nutrition risk. Data collected in nutrition assessment and interviews were analyzed separately then side-by-side for comparison. RESULTS: Of 50 dyads, 48% had at least one individual exhibiting nutrition risk, and nutrition status categories (χ CONCLUSIONS: Nutrition risk was more common among caregivers when PWD demonstrated nutrition risk. Factors present in individuals within the dyad were associated with partner nutrition risk. Future research should identify effective approaches for intervening on dyadic nutrition risk.