Open Label Single Arm Prebiotic Pilot Trial SR001

The goal of this pilot clinical study is to evaluate the effect of a prebiotic fiber blend in individuals diagnosed with Parkinson's Disease. The main objectives of this pilot study are: 1. To assess the safety and tolerability of consuming 1 fiber bar/day 2. To determine if a prebiotic fiber blend impacts biological metrics and non-motor symptoms of Parkinsons Disease 3. To evaluate the effect of the fiber bar on intestinal inflammation Participants will have blood and fecal samples collected at baseline and after 4 weeks of intervention. Participants will also complete questionnaires to monitor GI symptom severity, quality of life metrics, and Parkinson's-specific surveys. Researchers will compare biomarkers and reported assessment answers at baseline and after 4 weeks with intervention.