Posted by Elisa Medhus, M.D.
on October 16, 2026
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. In the United States, lithium orotate can be purchased over the counter as a dietary supplement. In Canada, the United Kingdom, and the European Union, it generally cannot.
Is Lithium Orotate the Same as Prescription Lithium?
No. Although they share an element, they are two different things.
Prescription lithium, usually lithium carbonate, is a psychiatric medication. It’s prescribed at doses of hundreds to more than a thousand milligrams a day. Because the gap between an effective dose and a toxic one is narrow, it requires a physician’s supervision and regular blood tests.
Nutritional lithium is lithium as a trace mineral. It’s naturally present in soil, drinking water and some foods, but dietary exposure varies considerably by geography and food source. Supplemental forms like lithium orotate typically provide a few milligrams of elemental lithium, a small fraction of a prescription dose.
That difference in dose and purpose is why the U.S. treats low-dose lithium orotate as a nutritional ingredient rather than a drug.
Can You Buy Lithium Orotate Over the Counter?
In the United States, yes. Lithium orotate is sold as a dietary supplement ingredient, like in VitalithMD®. It doesn’t require a prescription and is widely available from supplement retailers.
In many other countries, no. Canada, the United Kingdom and the European Union classify lithium within a medicinal framework regardless of dosage. As a result, nutritional forms of lithium generally aren’t sold as supplements in those markets.
Is Lithium Orotate FDA Approved?
The FDA doesn’t approve dietary supplements, so no supplement, including lithium orotate, is “FDA approved.” Prescription drugs go through FDA approval before they reach the market. Supplements like VitalithMD® are regulated differently: manufacturers are responsible for product safety and accurate labeling, and the FDA can act against products that are unsafe or make unlawful claims.
So “not FDA approved” doesn’t mean a supplement is illegal or unregulated. It just means it falls under the dietary supplement framework rather than the drug approval process.
Why Is Lithium Regulated Differently Around the World?
Every regulator weighs the same questions a little differently:
- Dose: Does a low, nutritional amount warrant different rules than a therapeutic one?
- History of use: How has the ingredient been used and sold in that market?
- Safety framework: Does the country classify an ingredient by its dose, or by the ingredient itself?
The U.S. approach looks mainly at the dose and form of the ingredient. Canada, the UK and the EU tend to classify lithium as medicinal at any dose, partly because of its long history as a prescription drug. Neither approach changes what lithium is; it simply reflects different regulatory philosophies.
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.
How to Learn More (or Get Involved)
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.
