Cooking for disability: a pilot study on nutritional interventions for mental health support in adults with autism spectrum disorder
Abstract
Background: Autism Spectrum Disorder (ASD) is a complex neurodevelopmental condition often accompanied by chronic inflammation and metabolic dysfunction, which are increasingly recognized as key contributors to symptom severity and behavioral challenges. Despite these insights, targeted nutritional interventions in adults with severe ASD remain understudied.
Aim: This pilot study investigated whether a precision, biomarker-guided dietary intervention could improve both behavioral symptoms and underlying biological dysregulations in adults with Level 3 ASD.
Methods: Seven adults with severe ASD residing at the ASP Charitas residential facility in Modena (Italy) participated in a 12-month dietary intervention aimed at reducing inflammation, optimizing fatty acid profiles, and supporting metabolic health. Behavioral assessments-including CARS-2-ST, DASH-II, ABC, and SSP-and biological markers such as IL-6, fecal calprotectin, vitamin D, HbA1c, and erythrocyte lipid profiles were collected at baseline, 6 months, and 12 months.
Results: Baseline assessments confirmed severe ASD symptoms, psychiatric comorbidities, sensory processing abnormalities, systemic and intestinal inflammation, metabolic impairment, and a pro-inflammatory lipid profile. Following the intervention, significant reductions were observed in core autism symptoms (CARS-2-ST, ABC), alongside decreased frequency and severity of behavioral symptoms (DASH-II). Sensory processing (SSP) stabilized or modestly…
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