Best Countries for Stem Cell Therapy: How the Rules Compare

What is the best country to get stem cell therapy? There is no single best country. The best choice is a clinic that works within its country’s rules, can document how its cells are processed, has a physician review your case before you pay, and says plainly that the evidence for orthopedic and chronic pain uses is still limited. And no, stem cells are not illegal in the US: what the FDA treats as illegal is selling unapproved stem cell products outside a clinical trial.

This page compares how the main destinations regulate stem cell treatment. For the detail on the US, see our FDA approval guide; for Colombia, whether stem cell therapy is legal in Colombia.

Are stem cells legal in the US?

Yes. Stem cell research is legal, and the FDA has approved several cell products. Its list of approved cellular and gene therapy products includes several cord blood (HPC) products and one mesenchymal stromal cell product, Ryoncil (FDA).

What is restricted is the marketing of unapproved products. The FDA says stem cells, fat-derived stromal vascular fraction, cord blood, Wharton’s jelly, orthobiologics and exosomes need FDA approval, or a clinical trial under FDA oversight, before they can be offered to patients. It states that no regenerative medicine therapy is approved for any orthopedic condition, including knee, hip, back, neck and shoulder pain, and that patients charged for these products outside a trial are “likely being deceived and offered a product illegally” (FDA).

That is where the idea that stem cells are “illegal in the US” comes from. The rules apply to the product and how it is sold, not to stem cells as such, and they are the main reason many Americans look abroad.

How the rules compare by country

Country or region	What the rules say	What to check
United States	Unapproved regenerative products need FDA approval or an FDA-overseen trial; none approved for orthopedic conditions	Ask for the approval or the trial registration and FDA oversight
European Union	Cell-based therapies are regulated as advanced therapy medicinal products (ATMPs); EMA warns about unregulated ones	Confirm approval with the national medicines authority
Japan	Act on the Safety of Regenerative Medicine (2014, revised 2025) allows some unproven therapies under oversight; two deaths reported after the revision	Ask how the therapy is registered under the Act
Brazil, Argentina	Specific rules on manufacture, quality and marketing of cell-based treatments	Ask for the product authorization
Mexico	Does not recognize or authorize any cell as therapy (2022 review)	Ask which authority licenses the clinic and the product
Colombia	See our legal guide	Ask where cells are processed and for the lab’s INVIMA certification

Japan shows that looser rules are not automatically better for patients. Its law was designed to let clinics provide unproven cell therapies within a regulated framework, yet researchers reported two fatal cases after the 2025 revision and proposed stronger patient protections (Takashima et al., 2026). In Latin America, legislation is very uneven from country to country (Orozco-Solares et al., 2022).

Stem cell treatments in Europe

Europe regulates cell-based therapies as medicines. The European Medicines Agency describes advanced therapy medicinal products as medicines based on genes, tissues or cells, and warns that unregulated versions are often sold online “as a last hope” (EMA). Its warning signs apply anywhere:

• The product is called experimental but is used outside an authorized clinical trial.
• The provider cannot confirm approval by the EMA or a national authority.
• The claimed benefits exceed those of approved treatments, without supporting literature.

What makes a country, and a clinic, a good choice

A review of international stem cell tourism found that the leading countries in that market are the USA, China, India, Thailand and Mexico, that most clinics are in low- and middle-income countries, and that clinic websites rarely give even basic travel health information. It also listed complications such as infection, rejection and tumor formation (Lyons et al., 2022). So whatever the country, look for:

• A named physician who reviews your history and imaging before you pay.
• A clear answer on where the cells are processed and which authority certifies the lab.
• A written quote with the cell dose, not a vague package.
• No promises of cures or guaranteed success percentages.
• A follow-up plan after you fly home.

These are the same standards we describe in how responsible clinics set safety standards. If you are comparing two specific destinations, our Panama vs. Colombia comparison goes into prices and inclusions.

When surgery, or staying home, is the better choice

Travel is not worth it if your problem has a proven treatment you can get at home: a complete tendon or ligament tear with instability, advanced arthritis with deformity, or nerve compression causing worsening weakness usually needs surgery. If you have an active infection, active cancer or an unstable medical condition, a long trip for an elective procedure adds risk. Also check what your plan pays for first; our page on whether insurance covers stem cell therapy explains why regenerative treatment is almost always self-pay.

Where stem cell therapy in Colombia fits

Medellín is one option among several. Our treatment is led by Dr. Catalina Henao (Universidad CES; ISSCA-certified in point-of-care regenerative medicine), priced per cell dose from about USD 2,362 for 10 million cells to USD 10,080 for 150 million cells, with flights and lodging separate and a typical stay of five to seven days. Full prices are on our cost page. It is a fit for people with ongoing joint, tendon or back pain who do not need surgery and understand the therapy is not FDA-approved; it is not a fit for the situations above or those in who is not a candidate.

Next step

If you are comparing countries, send us your case for a free review. Dr. Henao reviews your history and imaging (X-ray or MRI), and you receive a written quote before you buy flights.

Frequently asked questions

Are stem cells legal in the US?

Yes. Stem cell research and FDA-approved cell products, such as approved cord blood products, are legal. What the FDA considers illegal is selling unapproved stem cell or other regenerative products outside a clinical trial. No regenerative medicine therapy is FDA-approved for orthopedic conditions such as knee, hip, back or shoulder pain.

Why are stem cell treatments called illegal in the US?

Because many clinics have marketed unapproved products directly to patients. The FDA warns that if you are charged for these products outside a clinical trial, you are likely being offered a product illegally. The rules apply to the product and how it is sold, not to stem cells as such.

Are stem cell treatments legal in Europe?

In the European Union, cell-based therapies are regulated as advanced therapy medicinal products, and the EMA warns patients about unregulated cell therapies sold online. Before treatment in Europe, check with the country’s national medicines authority that the product is approved or part of an authorized clinical trial.

Is stem cell therapy legal in Mexico?

According to a 2022 review of Latin American legislation, Mexico does not recognize or authorize any cell as a therapy, while Brazil and Argentina have specific regulations. Ask any Mexican clinic which authority licenses it and what its product approval is.

Is Colombia a good country for stem cell therapy?

It can be, if the clinic works within Colombian rules and can document its cell processing. Ask for the lab’s INVIMA certification, a physician review of your imaging, and a written quote before you travel.

Sources

• FDA: Important Patient and Consumer Information About Regenerative Medicine Therapies
• FDA: Approved Cellular and Gene Therapy Products
• European Medicines Agency: Advanced therapy medicinal products overview
• Takashima K et al. Revisiting patient protection in unproven cell and gene therapies under Japan’s safety act. Stem Cell Reports, 2026
• Orozco-Solares TE et al. Allogeneic mesenchymal stem cell-based treatment legislation in Latin America. Stem Cells Dev, 2022
• Lyons S et al. International stem cell tourism: a critical literature review and evidence-based recommendations. Int Health, 2022