The purpose of this study involved investigating the effects of daily ingested wild blueberry drink (22.5 g wild blueberry powder added to pineapple juice) for 8 weeks on movement of people diagnosed with Parkinson's disease. Specifically, the investigators questioned: * Do the movements of people with Parkinson's disease improve after ingesting the blueberry drink once a day for 8 weeks? * Do the movements of people with Parkinson's disease after ingesting the blueberry drink show benefits compared to people with Parkinson's ingesting a placebo drink? Participants will: * Drink blueberry drink or placebo once a day for 8 weeks * Visit the neurologist before and after the intervention period * Complete assessments before and after the intervention period * Visit the lab weekly for checkups and to obtain more powder and juice * Keep a diary of time of ingestion and adverse effects. The investigators hypothesized that supplementation with wild blueberry powder will result in favorable improvements in movements in people with Parkinson's disease that exceed placebo supplementation.
Age range
50 Years – 89 Years
Sex
ALL
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Gait velocity
Timeframe: Assessed during practice, one week prior to pre-test, and at pre-test and about 8 weeks (+/- 1 week) later at post-test.
COP95
Timeframe: Assessed during practice, one week prior to pre-test, and at pre-test and about 8 weeks (+/- 1 week) later at post-test.
Step count
Timeframe: Assessed the week prior to pre-testing and about 8 weeks (+/- 1 week) later at post-test.
The Timed-Up-and-Go (TUG) test
Timeframe: Assessed during practice, one week prior to pre-test, and at pre-test and about 8 weeks (+/- 1 week) later at post-test.