Protein intake in parkinsonian patients using the EPIC food frequency questionaire

Agnieszka Marczewska, Roberta De Notaris, Sabina Sieri, Michela Barichella, Elisabetta Fusconi, Gianni Pezzoli

Research output: Contribution to journalArticlepeer-review


The dietary habits of 45 Italian patients with Parkinson's disease (PD) and their spouses were investigated using the EPIC food frequency questionnaire. Average daily energy intake was similar, but PD patients consumed significantly more vegetable proteins and carbohydrates (both +18%; P = 0.01 and P = 0.001, respectively). Daily protein intake, which interferes with levodopa absorption, was 50% higher than the recommended daily allowance (1.2 vs. 0.8 g/kg) in both PD patients and spouses and was significantly higher in patients with moderate/severe symptoms (1.27 ± 0.29 vs. 1.07 ± 0.28 g/kg; P <0.001). In patients taking levodopa, there was a correlation between daily levodopa dosage and protein intake (P = 0.027). Dietary habits of patients with advanced and/or fluctuating PD should always be checked with particular reference to protein intake.

Original languageEnglish
Pages (from-to)1229-1231
Number of pages3
JournalMovement Disorders
Issue number8
Publication statusPublished - Aug 2006


  • Diet
  • Levodopa
  • Parkinson's disease
  • Protein intake

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)


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