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Many non-motor symptoms in Parkinson\u2019s disease (PD) adversely affect nutritional status. Although current resources, including the \u2018Clinical nutrition in neurology guidelines\u2019 from the European Society for Clinical Nutrition and Metabolism, provide valuable recommendations, there is a need for updated, PD-specific dietary guidelines. This article aims to support neurologists by providing a concise and comprehensive overview of the most important nutritional considerations for PD: (1) body weight regulation; (2) guidance on micronutrient monitoring and supplementation; (3) strategies to ensure adequate protein intake while minimising nutrient\u2013drug interactions; (4) dietary approaches for gastrointestinal issues and (5) promising dietary strategies for PD symptom management.<\/jats:p>","DOI":"10.1136\/pn-2025-004998","type":"journal-article","created":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T18:20:39Z","timestamp":1769538039000},"page":"pn-2025-004998","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Nutrition in Parkinson\u2019s disease: what neurologists need to know"],"prefix":"10.1136","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-5062-3503","authenticated-orcid":false,"given":"Marshal Spenser","family":"Shuler","sequence":"first","affiliation":[{"name":"Liggins Institute, University of Auckland, Auckland, New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-5090-4173","authenticated-orcid":false,"given":"Aakash","family":"Prasad","sequence":"additional","affiliation":[{"name":"Liggins Institute, University of Auckland, Auckland, New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richelle","family":"Flanagan","sequence":"additional","affiliation":[{"name":"My Moves Matter, Dublin, Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Viswas","family":"Dayal","sequence":"additional","affiliation":[{"name":"Neurology Department, Auckland City Hospital, Auckland, New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4542-7924","authenticated-orcid":false,"given":"Fiona Eileen","family":"Lithander","sequence":"additional","affiliation":[{"name":"Liggins Institute, University of Auckland, Auckland, New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2026,1,27]]},"reference":[{"key":"2026012710202973000_pn-2025-004998v1.1","doi-asserted-by":"publisher","DOI":"10.1212\/01.wnl.0000247740.47667.03"},{"key":"2026012710202973000_pn-2025-004998v1.2","doi-asserted-by":"publisher","DOI":"10.1002\/mds.27063"},{"key":"2026012710202973000_pn-2025-004998v1.3","doi-asserted-by":"crossref","first-page":"S2","DOI":"10.1212\/WNL.50.6_Suppl_6.S2","article-title":"History of levodopa and dopamine agonists in Parkinson\u2019s disease treatment","volume":"50","author":"Tolosa","year":"1998","journal-title":"Neurology"},{"key":"2026012710202973000_pn-2025-004998v1.4","doi-asserted-by":"crossref","first-page":"S6","DOI":"10.1038\/466S6a","article-title":"Levodopa: the story so far","volume":"466","author":"Abbott","year":"2010","journal-title":"Nature"},{"key":"2026012710202973000_pn-2025-004998v1.5","doi-asserted-by":"crossref","unstructured":"Espay A , Stecher B . 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