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At R3 Stem Cell, we offer stem cell therapy in Boulder, Colorado, as part of regenerative medicine for joint and tendon pain. We use donor Mesenchymal stem cells (MSCs) from umbilical cord tissue and may combine them with PRP. These treatments remain investigational in the United States, and individual results vary.
Most of the Boulder patients we evaluate aren’t trying to win anything. They want to run the Boulder Creek Path without counting steps, climb at Eldorado Canyon again, or keep up with their kids on a Chautauqua hike. Their joint pain has outlasted rest, physical therapy, and at least one steroid shot.
That’s often when people start searching for “stem cell therapy near me.” Our job as physicians is to tell you, case by case, whether stem cell therapy in Boulder, Colorado makes sense for your knee, hip, shoulder, or back. We’ll also tell you when it doesn’t.
A good decision starts long before any injection. At your first regenerative medicine consultation, we take a full history. When did the pain start? What makes it worse? What have you tried? Then we examine the joint, test strength and range of motion, and review any X-ray or MRI you bring.
Then we ask what “better” means to you. A trail runner training for the Bolder Boulder and a retiree who wants to garden without a knee brace need different plans.
Sometimes the honest answer is that a cell-based treatment isn’t the right tool. If imaging shows a badly damaged joint, an orthopedic surgeon may serve you better, and we’ll say so. A consultation with us is “NOT A SALES VISIT.”
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Mesenchymal stem cells (MSCs) are adult cells found in bone marrow, fat, and umbilical cord tissue. In 2006, the International Society for Cellular Therapy set basic lab tests for what counts as an MSC. Labs still use them today.
MSCs are not embryonic stem cells, and they are not pluripotent. They can’t turn into any cell in the body. Cell biology research suggests they act mostly by signaling. They release proteins and tiny particles that may calm inflammation and help nearby tissue repair.
That idea is still being tested in people. It’s one reason many scientists now call them mesenchymal “stromal” cells, a more careful name.
Many clinics in the Boulder area use autologous cells, taken from your own body. R3 uses allogeneic cells from donated umbilical cord tissue. Autologous and allogeneic stem cells each come with trade-offs.
| Your own cells (bone marrow or fat) | Donor cord tissue (Wharton's jelly) | |
|---|---|---|
| Collection step | Needle harvest from the hip or a fat draw | None for you |
| Same-day comfort | Soreness at the harvest site and the injection site | Soreness at the injection site |
| Cell source age | Same age as you | From a newborn's cord |
| Key question to ask | How many cells were recovered? | How were donors screened and batches tested? |
Our Umbilical Cord Mesenchymal Stem Cells (UC-MSCs) come from Wharton’s jelly, the gel-like tissue inside the cord. Mothers donate it after birth.

Platelet rich plasma (PRP)
Platelet rich plasma (PRP) is made from your own blood. We spin a small sample to concentrate the platelets, then inject it. Among the three options on this page, PRP has the longest research record for joint and tendon pain. Want a PRP injection in Boulder? It’s often where a plan starts.

Exosome therapy in Boulder
Exosome therapy in Boulder uses extracellular vesicles, the tiny packets cells release to send signals. Exosomes hold no living cells. The FDA has warned the public that it has not approved any exosome product, and the research is early. We treat exosomes as an experimental option and say so up front.
The route depends on the goal. For most Boulder patients with joint or tendon pain, that means a local injection.
Stem cell injections in Boulder are usually office visits. You go home the same day.
Colorado has a front-row seat to stem cell rules. In 2014, a federal appeals court ruled against a Broomfield clinic in a case brought by the FDA. The court agreed that the clinic’s lab-grown cells counted as a drug.
Today, stem cell and exosome products are FDA-regulated under the agency’s rules for human cells and tissues, known as 21 CFR Part 1271. The FDA has approved one product made from this cell type so far. It’s called Ryoncil, approved in December 2024 for a serious transplant problem in children. The FDA has not approved the products we use for the uses described on this page.
Expect soreness and some swelling at the injection site for a few days. That’s a common part of how the body reacts to stem cell injections. We’ll often ask you to ease off running, climbing, or heavy lifting for a short time. Then you build back up with physical therapy. Any change, if it comes, tends to be gradual over weeks to months. Results differ from person to person.
We schedule follow-up visits to track your pain, function, and activity level. If something feels wrong, such as fever, rising pain, or redness, you call us right away.

These are the questions to ask before a regenerative procedure that our own stem cell doctors would ask:
At R3, most treatment plans for Boulder patients range from $3,500 to $15,000. The price depends on the product, how many areas we treat, and how many sessions you need. Insurance usually doesn’t cover stem cell or exosome therapy.
Some Coloradans look at medical tourism to Mexico for stem cell care. R3 runs clinics there as well, so we can explain how stem cell therapy in the USA and Mexico compares.
Looking for a Boulder stem cell treatment center you can trust? Whether you’re in North Boulder, Gunbarrel, Louisville, Lafayette, or Longmont, the first step is a talk with our stem cell specialists. Bring your imaging and your questions.
Call+1 (844) GET-STEM to schedule. We’ll tell you plainly whetherregenerative medicine in Boulder fits your situation. You can also learn more at r3stemcell.com.
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R3 Stem Cell International includes 80 clinics in 8 countries. These Centers of Excellence treat all types of conditions with safe, effective protocols by expert stem cell physicians.

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R3 Stem Cell offers a no cost consultation to see if you or a loved one is a candidate for regenerative cell therapies including cytokines, growth factors, exosomes, and stem cells.

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*Outcomes will vary between individuals. No claims are being made with regenerative therapies. The FDA considers stem cell therapy experimental. See our THERAPY COMMITMENT HERE.
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R3 Stem Cell is a global leader in regenerative medicine, offering advanced stem cell and exosome therapies through Centers of Excellence in over 80+ locations across 8 countries. Our mission is to provide first-rate, customized… regenerative
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Disclaimer
Stem cell therapy is considered experimental and is regulated by the U.S. Food and Drug Administration (FDA), but it is not FDA-approved. R3 Stem Cell does not offer stem cell therapy as a cure for any medical condition. No statements made on this site have been evaluated or approved by the FDA. This site does not provide medical advice. All content is for informational purposes only and is not a substitute for professional medical consultation, diagnosis, or treatment. Reliance on any information provided by R3 Stem Cell, its employees, others appearing on this website at the invitation of R3 Stem Cell, or other visitors to the website is solely at your own risk. R3 Stem Cell does not recommend or endorse any specific tests, products, procedures, opinions, or other information that may be mentioned on this website. R3 Stem Cell is not responsible for the outcome of your procedure. The FDA considers stem cell therapy experimental at this point.
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