26/08/2026
Parkinson’s has been linked to a deficiency in gut-produced B vitamins, suggesting that an over-the-counter supplement could help treat the debilitating condition.
A major breakthrough in understanding Parkinson’s disease has revealed that the neurodegenerative condition may be deeply rooted in our gut.
A comprehensive global study analyzing gut microbiome data from patients across multiple nations has identified a consistent pattern: people with Parkinson’s lack the specific gut bacteria responsible for synthesizing riboflavin (vitamin B2) and biotin (vitamin B7).
This microbial imbalance compromises the body's natural synthesis of these crucial B vitamins, which are vital for maintaining a healthy and protective intestinal mucus barrier.
Without sufficient riboflavin and biotin, the gut experiences a drop in short-chain fatty acids and polyamines—essential compounds that keep the intestinal lining intact. This weakening of the gut barrier allows harmful environmental toxins to leak into the bloodstream and travel to the brain, driving the neuroinflammation and nerve cell damage characteristic of Parkinson's.
Fortunately, researchers suggest that a remarkably straightforward remedy—oral B vitamin supplementation—could restore the gut barrier and offer a highly accessible, non-invasive way to alleviate symptoms and slow disease progression.
source: Nishiwaki, H., Ueyama, J., Ito, M., Hamaguchi, T., Takimoto, K., Maeda, T., Kashihara, K., Tsuboi, Y., Mori, H., Kurokawa, K., Katsuno, M., Hirayama, M., & Ohno, K. Meta-analysis of shotgun sequencing of gut microbiota in Parkinson's disease. npj Parkinson's Disease, 10(1).
