Posted by Elisa Medhus, M.D.
on October 23, 2025
One question I hear often is why nutritional lithium is easy to find in some countries and difficult to find in others. The answer comes down to regulatory classification, and it is worth understanding the distinction.
Two Different Things That Share a Name
Prescription lithium carbonate is a medication used in psychiatry. It is dosed in the hundreds to over a thousand milligrams per day, requires regular blood monitoring, and is prescribed and supervised by a physician.
Nutritional lithium is something different. Lithium occurs naturally as a trace element in soil, water, and certain foods, and dietary exposure varies considerably by geography and food source. Supplemental forms such as lithium orotate provide a small fraction of a prescription dose, which is the basis for their treatment as a nutritional ingredient rather than a pharmaceutical in the United States.
Why Classification Varies by Country
In the United States, lithium orotate is available as a dietary supplement ingredient. In Canada, the United Kingdom, and across the European Union, regulators currently classify lithium within a medicinal framework regardless of dose, which means nutritional forms are not generally available for sale as supplements in those markets.
Different regulators weigh dose, historical use, and safety data differently, and reach different conclusions. Reasonable people disagree about where the line should sit. What I want readers to understand is simply that the classification question is about regulatory category, not about whether one product works and another does not.
Where the Science Stands
Scientific literature has examined lithium across a wide range of doses, forms, populations, and experimental models, including research on trace and low-level exposure. This is an active area of study rather than a settled one.
It is important to be clear about what that research does and does not establish. Findings from prescription-dose studies, animal models, laboratory experiments, or population-level observational data do not demonstrate that a low-dose dietary supplement produces the same outcomes. VitalithMD® is a dietary supplement and is not intended to diagnose, treat, cure, or prevent any disease. Nothing in the scientific literature on lithium generally should be read as a claim about what our product does.
If You Want to Learn More
If you live in a market where nutritional lithium is not available and you would like to understand the regulatory position in your country, the relevant agencies publish their own guidance:
- Canada: Health Canada, Food and Nutrition Directorate
- United Kingdom: Medicines and Healthcare products Regulatory Agency (MHRA)
- European Union: European Commission, Directorate-General for Health and Food Safety (DG SANTE)
Citizens are free to contact their own health authorities and elected representatives about any policy matter that concerns them. That is an ordinary part of civic life, and it is not something I want to script for anyone. If you choose to write, write in your own words about your own view.
A Note on Where I Sit
I should be straightforward about an obvious conflict of interest: I founded a company that sells a supplement containing nutritional lithium. That gives me a commercial stake in how these products are classified. I have tried to describe the regulatory landscape accurately rather than argue a case, but readers should weigh what I write with that in mind, and should form their own view from primary sources.
— Elisa Medhus, M.D.
This article is provided for informational purposes only and does not constitute medical advice or a recommendation regarding any health condition. Speak with a healthcare professional about your individual circumstances.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
