If you are researching stem cell therapy and comparing clinics, you may have come across the terms fresh and frozen stem cells. Understanding the difference, and why it matters for quality and safety, can help you make a more informed decision before choosing a provider.

When researching stem cell therapy, most patients focus on the treatment itself. But the documentation behind the biologic product, including a Certificate of Analysis and quality control records, may be just as important as the therapy. Here is what patients should understand before choosing a clinic.

Not all stem cell clinics in Mexico operate to the same standard. This 2026 patient safety checklist helps you evaluate physician oversight, biologic quality, regulatory structure, and clinic transparency before making a decision.