What it is
Exosomes are extremely small, membrane-wrapped particles that cells naturally release. Scientists study them as a way cells send signals to one another, because they can carry proteins, fats and genetic material.
In regenerative medicine, the word usually refers to exosome preparations made from cultured cells, sometimes cells that are also used in stem cell work. These are different from stem cells themselves. Exosomes are not living cells, and they do not divide or grow.
Research on exosomes is active, and most of it is still early or investigational. Preparations also vary widely in how they are made, tested and labeled, which is one reason careful questions matter.
How it’s traditionally been approached
Traditionally, exosomes have been a subject of laboratory science. Researchers have explored how they work in the body and whether they could someday be used in carefully regulated medical products.
Consumer interest grew as some clinics, med spas and online sellers began offering exosome injections, exosome IV therapy and topical or hair-related products. These offerings have generally been marketed outside the FDA approval process.
In the U.S., no exosome product is FDA-approved, and the FDA has warned the public about unapproved stem cell and exosome products. The only FDA-approved stem-cell products are cord-blood-derived hematopoietic progenitor cell (HPC) products for certain blood and immune disorders, used in specialist transplant settings. Calling a product natural, holistic or alternative does not change its FDA status.
How the right provider may help
A licensed provider may help you sort marketing from evidence. A visit generally begins with a conversation about your health history, your goals and what you have already tried, followed by an evaluation. Only a licensed clinician can decide what is appropriate for you.
You can ask practical questions. Is this product FDA-approved, and if not, what is its regulatory status? Is it offered as part of a study registered on ClinicalTrials.gov with IRB oversight? What are the risks, and what are the alternatives?
Also check the clinician's license with your state medical board, and ask for written informed consent that covers risks and alternatives. A good provider will welcome these questions and explain things plainly. They may also discuss options that have a longer track record.
The whole-person view
Body, mind and stress affect each other. Living with a health concern, or with hopes for a fix, can bring worry and pressure to decide fast. Sleep, movement, nutrition and stress levels are part of the larger picture, alongside any medical care.
Body-based support such as Somatic Experiences may help some people feel more settled while they weigh their choices. Talking with a counselor through Therapists.plus may also help you work through the stress of big health decisions. These are supportive options, not substitutes for medical care.
Somatic Experiences: embodiment and movement →Somatic Experiences: nervous system regulation →Therapists.plus: mind body connection →
Keep in mind
- No exosome product is FDA-approved, and the FDA has warned the public about unapproved stem cell and exosome products.
- Watch for red flags: cure-all or "treats everything" claims, paying to join a "clinical trial," testimonials in place of evidence, and pressure to travel abroad or across states for treatment.
- Licensed professionals should guide care for any serious condition. This page is educational only and is not medical advice.
- For emergencies call 911. In a crisis call or text 988.
Guides in this topic
Provider types
Frequently asked questions
What are exosomes in regenerative medicine?
Exosomes in regenerative medicine are tiny particles released by cells that carry signaling materials such as proteins and genetic material. They are not living cells and are different from stem cells. Research is ongoing, and most uses remain investigational.
Are exosome treatments FDA approved?
No, exosome treatments are not FDA-approved. No exosome product has FDA approval, and the FDA has warned the public about unapproved exosome and stem cell products. Ask any provider about a product's regulatory status before considering it.
What is an exosome injection?
An exosome injection is a product marketed by some clinics that contains exosome preparations given by injection. These products are not FDA-approved, and evidence for their use is limited or investigational. A licensed clinician must decide what is appropriate after an evaluation, and you should ask about risks and alternatives.
Do exosomes work for hair?
There is no FDA-approved exosome product for hair, and evidence is limited or investigational. Marketing for exosomes for hair often goes beyond what research has shown. A licensed clinician can evaluate the cause of your hair concerns and discuss options with an established track record.
Is exosome IV therapy safe?
Exosome IV therapy is not FDA-approved, and its safety has not been established through the FDA approval process. The FDA has warned the public about unapproved exosome products. Talk with a licensed clinician about risks, and be cautious about any provider who downplays them.
How are exosomes different from mesenchymal stem cells?
Exosomes vs mesenchymal stem cells comes down to living cells versus particles. Mesenchymal stem cells (MSCs) are cells, while exosomes are small particles that cells release. Neither is FDA-approved for the uses commonly advertised by clinics, so ask about regulatory status and check for registered, IRB-overseen studies.
Educational resource. StemCell.biz shares general information and connects people with independent providers. It is not medical advice, diagnosis or treatment. Talk with a licensed professional about your health.