Daily Amino Acid Supplementation for People With Parkinson's Disease

Inclusion Criteria

• •Inclusionary Criteria:
• •Male and Females.
• •60-80 Years.
• •Previous diagnosis of idiopathic Parkinson's Disease by patient report.
• •Use of dopamine replacement medication (e.g. levodopa) for at least 2 years.
• •On a stable dose of dopamine replacement medication for at least 3 months with no plans for change in the next two months.
• •Exclusionary criteria
• •Apparent cognitive impairment as determined by phone screening (Telephone Interview for Cognitive Status \<29).
• •Diagnosis of Parkinsonism or atypical Parkinson's Disease.
• •Prescription of Dopamine antagonist.
• •Any unstable medical condition.
• •Any known bleeding disorder or current consumption of blood thinners.
• •Use of Deep Brain Stimulation.
• •Gastric or Bowel resection surgery.
• •Contraindications to blood draw.