Voicing Newsletter March 2026
Fueling the Voice in Parkinson’s: The Overlooked Nutrition Connection
By Esther Verbovszky, M.A., CCC-SLP
Speech-Language Pathologist | Founder, Star Center Foundation
When we think about Parkinson’s disease, we often think about tremors, stiffness, and walking changes.
But one of the earliest and most impactful changes can be in the voice.
Soft speech. Reduced breath support. Less facial movement.
Many individuals are told to “speak up,” without being given the tools to do so.
At Star Center Foundation, we believe voice care is essential — and that nutrition plays a role in supporting the whole system behind it.
Why Does the Voice Change in Parkinson’s?
Parkinson’s affects dopamine production — a neurotransmitter that helps regulate movement.
Voice production requires:
Breath support
Vocal fold strength
Facial and articulatory movement
Motor amplitude
Neurological drive
When dopamine decreases, vocal loudness and clarity often decline.
This is why evidence-based programs like LSVT LOUD focus on increasing vocal amplitude and effort.
But therapy is only part of the picture.
The Nutrition & Amino Acid Connection
Amino acids are the building blocks of proteins and neurotransmitters.
Some play a role in the systems that affect movement, mood, and motivation.
This does not mean everyone should supplement.
It does mean certain nutrients may be worth discussing with your physician.
Amino Acids Often Discussed in Parkinson’s:
Tyrosine
• Precursor to dopamine
• Important for neurotransmitter production
• Protein timing matters when taking levodopa
Phenylalanine
• Converts to tyrosine
• Also related to dopamine pathways
Tryptophan
• Precursor to serotonin
• Impacts mood and sleep
• Sleep quality affects vocal endurance
Branched-Chain Amino Acids (BCAAs)
• Found in protein
• Can compete with levodopa absorption
Because levodopa and dietary protein use similar transport pathways, some neurologists recommend spacing high-protein meals away from medication timing.
Always consult your neurologist before making changes.
Why This Matters for Voice
Voice strength depends on:
Neurological activation
Breath coordination
Muscle engagement
Energy levels
Medication effectiveness
If medication absorption is reduced or nutrition is imbalanced, vocal effort may be more difficult.
Hydration also plays a major role in vocal fold lubrication.
Labs Worth Discussing With Your Physician
Depending on symptoms, your provider may consider evaluating:
Vitamin B12
Vitamin D
Ferritin
Homocysteine
Comprehensive metabolic panel
Individual care decisions should always be guided by your medical team.
What You Can Do Today
Practice daily loud voice exercises
Read aloud for 5 minutes
Stay hydrated
Discuss protein timing with your neurologist
Engage in social speaking opportunities
Participate in group programs like Hear Me Roar
Hear Me Roar
Our Parkinson’s voice group focuses on:
Vocal strength and projection
Breath work
Articulation drills
Education on swallowing and nutrition
Community connection
Because voice is not just about sound — it is about connection, identity, and confidence.
At Star Center Foundation, we are committed to bridging care between therapy, nutrition, and daily life.
If you would like to learn more about our programs, visit:
www.starcenterfoundation.org
Or call us at:
216-320-2456
Esther Verbovszky, M.A., CCC-SLP
Founder, Star Center Foundation
“Bridging Care with Compassion”