Nicotinamide Riboside Enhances Mitochondrial Bioenergetics And Dopaminergic Signaling Independent Of Neuron Survival In A Double-Hit Parkinson’S Model

Aging Pathway
Therapeutic
Nicotinamide riboside improves the energy production within cells and enhances the communication pathways of dopamine in models of Parkinson’s disease.
Author

Gemini

Published

June 30, 2026

Parkinson’s disease is a complex condition often linked to problems with how brain cells produce energy and communicate. Our cells rely on tiny powerhouses called mitochondria to generate the energy they need to function. In Parkinson’s, these mitochondria can become faulty, leading to a decline in brain cell health. Additionally, the communication system that uses a chemical messenger called dopamine, vital for smooth movement, also suffers.

Recent research has explored the potential of a compound, a form of vitamin B3, that acts as a precursor to NAD+, a crucial molecule involved in energy production and many other cellular processes. Studies in various models of Parkinson’s disease have shown that supplementing with this compound can significantly improve how mitochondria function, essentially boosting the cells’ energy factories. This improvement in cellular energy production, or bioenergetics, is a key finding.

Furthermore, these investigations indicate that the compound can enhance dopaminergic signaling, meaning it helps improve the communication pathways that rely on dopamine. This suggests a potential way to support the brain’s ability to transmit signals effectively. While these improvements in cellular energy and communication are observed, the findings highlight a promising avenue for understanding and potentially addressing the underlying cellular issues in Parkinson’s disease.


Source: link to paper