Why your brain needs a little lithium
Lithium deficiency and the onset of Alzheimer’s disease
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Your brain needs a tiny amount of lithium to stay healthy. When it runs low, your brain starts acting like it has Alzheimer’s — forming bad clumps and losing connections. Giving it back with a special form of lithium fixes the problem.
Surprising Findings
Lithium was the only metal out of 27 analyzed that dropped significantly in MCI and AD brains.
Most research focuses on toxic metals like iron or copper in Alzheimer’s—this study flips the narrative by showing a *deficiency* in a harmless, naturally occurring metal is the most consistent biomarker.
Practical Takeaways
Consider eating more lithium-rich foods like legumes, grains, and vegetables grown in lithium-rich soil, or discuss low-dose lithium orotate with a functional medicine doctor.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Your brain needs a tiny amount of lithium to stay healthy. When it runs low, your brain starts acting like it has Alzheimer’s — forming bad clumps and losing connections. Giving it back with a special form of lithium fixes the problem.
Surprising Findings
Lithium was the only metal out of 27 analyzed that dropped significantly in MCI and AD brains.
Most research focuses on toxic metals like iron or copper in Alzheimer’s—this study flips the narrative by showing a *deficiency* in a harmless, naturally occurring metal is the most consistent biomarker.
Practical Takeaways
Consider eating more lithium-rich foods like legumes, grains, and vegetables grown in lithium-rich soil, or discuss low-dose lithium orotate with a functional medicine doctor.
Publication
Journal
Nature
Year
2025
Authors
Liviu Aron, Zhen-Kai Ngian, Chenxi Qiu, Jaejoon Choi, Marianna Liang, Derek Drake, Sara E Hamplova, Ella K Lacey, Perle Roche, Monlan Yuan, Saba S Hazaveh, E. A. Lee, David A. Bennett, B. Yankner
Related Content
Claims (7)
People with early memory problems or Alzheimer’s tend to have less of a natural mineral called lithium in a part of their brain that helps with memory, and the less lithium they have, the worse their memory gets—so measuring lithium might help catch brain decline early.
In people with early memory problems or Alzheimer’s, clumps of a protein called amyloid-beta act like sponges that soak up lithium—a mineral that might help protect brain cells—leaving less lithium where it’s needed, which could make brain damage worse.
When mice don’t get enough lithium in their food, their brains lose about half their lithium, and this causes brain changes that look a lot like Alzheimer’s disease—like sticky protein clumps, damaged nerve connections, and memory problems.
When mice don’t get enough lithium, a brain enzyme called GSK3β goes into overdrive and causes damage linked to Alzheimer’s—like sticky protein clumps and broken brain connections—but giving them a drug that blocks this enzyme fixes those problems.
A special form of lithium called lithium orotate may help the brain clear out harmful proteins linked to Alzheimer’s, fix memory problems, and reduce brain inflammation in mice—without using high, potentially toxic doses.