Stem cell clinics love big numbers. "100 million cells!" "200 million cells per treatment!" These figures are prominently displayed in marketing materials, and patients understandably assume that more cells equals better treatment. The reality is more complicated — and understanding what cell counts actually mean protects you from both undertreatment and overpaying for inflated numbers.
Cell count matters — but viability, cell type purity, and delivery method matter equally. A treatment with 50 million viable, properly characterized MSCs delivered precisely to the target tissue may outperform 200 million poorly characterized cells given via IV. Always ask about viability percentage and cell characterization, not just total count.
| Metric | What It Means | What to Ask |
|---|---|---|
| Total cell count | Number of cells in the preparation | 'How many cells will I receive?' |
| Viability | Percentage of cells that are alive | 'What is the viability rate?' (should be >90%) |
| Cell characterization | Confirmation that cells are actually MSCs | 'Are cells tested for CD73, CD90, CD105 markers?' |
| Passage number | How many times cells were multiplied in the lab | 'What passage are the cells?' (P2–P4 is typical; higher passages may lose potency) |
| Colony-forming units (CFU) | Measure of cells' ability to proliferate | 'Do you test CFU-F?' (quality measure beyond raw count) |
How to Verify Cell Counts
Ask for a Certificate of Analysis (CoA) from the laboratory. A legitimate lab will provide documentation showing total cell count, viability percentage (should exceed 90%), cell surface marker testing (CD73+, CD90+, CD105+, CD34−, CD45−), sterility testing (bacterial and fungal culture), endotoxin testing, and mycoplasma testing. If a clinic cannot or will not provide a CoA, that is a significant red flag.
For treatment protocols with verified cell counts and lab documentation, explore colombiastemcelltreatment.com.
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