Parkinson’s disease (PD) is a complex neurodegenerative disorder that affects movement and a wide range of motor and non-motor functions. Among the various factors studied in relation to PD, vitamins—particularly vitamin B12—have garnered significant attention. Recent research suggests that vitamin B12 deficiency not only exacerbates the symptoms of PD but may also play a role in its progression. This article explores the intricate relationship between vitamin B12 and Parkinson’s disease, including its potential mechanisms, clinical manifestations, and therapeutic implications.
Given the strong association between B12 deficiency and PD symptoms, supplementation has been proposed as a potential therapeutic strategy. Studies suggest that vitamin B12 supplementation may:
1. Improve gait and balance in PD patients with neuropathy.
2. Reduce homocysteine levels, potentially slowing cognitive decline.
3. Support nerve regeneration and reduce the risk of neuropathy.
4. Enhance overall well-being and quality of life in PD patients.
However, it is important to note that while B12 supplementation can address deficiency-related symptoms, it is not yet proven to modify the course of PD itself. More research is needed to determine whether B12 therapy can alter disease progression in a meaningful way.
For PD patients, regular monitoring of vitamin B12 levels is recommended, especially for those undergoing long-term Levodopa therapy. If a deficiency is detected, supplementation should be considered to prevent further complications. Physicians may also recommend dietary adjustments to include more B12-rich foods or prescribe injectable forms of the vitamin for better absorption.
Link: https://link.springer.com/article/10.1007/s00702-024-02769-z
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