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Flavonoids, plant compounds found in certain foods, may have the ability to improve fatigue and fatigability. However, to date, no well-designed intervention studies assessing the role of flavonoid consumption for fatigue management in people with Parkinson's (pwP) have been performed.

To determine the feasibility and estimate potential effect of flavonoid-rich cocoa on fatigue and fatigability in pwP.

This was a randomised (1:1) double-blind placebo controlled feasibility study in which 30 pwP were recruited from the European Parkinson Therapy Centre, Italy (trial registration: NCT03288155). During a six day intervention participants consumed a high (10.79 mg/g) or low flavonoid cocoa (1.02 mg/g) beverage (18 g Cocoa with 200 ml Rice milk) once daily. Potential effect on fatigue and fatigability was measured (baseline to day 6). Feasibility and fidelity were assessed through recruitment and …