2This book is the most up-to-date resource on the powerful benefits of nutritional diets and supplements for the treatment of Parkinson's disease.Levodopa (L-dopa) is the most commolny used medication to treat the symptoms of Parkinson's disease. Dietary protein can compete with L-dopa to cross the blood-brain barrier and decrease the efficacy of the drug. Such problem of protein and levodopa competition usually appears years after the initiation of L-dopa therapy. In this book, you will learn how to eat healthfully with an adequate amount of protein while maximizing the L-dopa efficacy. This book includes nutrition information and research findings on managing Parkinson's disease with diet, ways to design your own meal plans, and 14 healthy breakfasts, lunches, dinners, and snacks.