Thymosin Beta 4 lab test results by vendor
How each vendor's Thymosin Beta 4 held up in independent third-party lab tests: purity, dose against the label, and how often vials failed.
For research use only. VendorVerify sells nothing and takes no money from vendors. No affiliate links, no coupon codes, no paid rankings. How scores work
- Vials tested
- 1
- Lab reports
- 1
- Vendors
- 1
- Vials failed
- 100.0%
- Median purity
- 97.30%
- Median dose vs label
- +782.0%
Results from Sep 2026 to Sep 2026. A vial fails if it's empty, under 95% pure, more than 20% under its label, or more than 50% over (1 of 1 vials).
Key facts
- VendorVerify holds lab results for 1 Thymosin Beta 4 vial from 1 vendor, from 1 independent lab report dated Sep 2026 to Sep 2026.
- 100.0% of Thymosin Beta 4 vials on file failed (1 of 1), meaning empty, under 95% pure, more than 20% under label or more than 50% over.
- The median Thymosin Beta 4 vial on file tested at 97.30% purity.
- The median Thymosin Beta 4 vial on file held +782.0% compared with the amount on its label.
- No vendor yet has the 5 Thymosin Beta 4 lab reports needed to be ranked for Thymosin Beta 4.
Thymosin Beta 4 vendors
| Vendor | Verdict | Score | Failed vials | Lab reports | Median dose vs label | Avg. purity | Vendor page |
|---|---|---|---|---|---|---|---|
| Not enough data to rank (fewer than 5 lab reports) | |||||||
| SPB | Not rankedFailed vials | 74.5 | 100.0% | 1 | +782.0% | 97.30% | View vendor SPB |
Every Thymosin Beta 4 vial against its label
One dot per vial, placed by how much it held compared with the amount on the label.
Dot chart of 1 vials (every Thymosin Beta 4 vial on file), each placed by its measured amount compared with the label, from 50% under to 50% over. 0 are within 5% of the label, 0 are 5 to 20% under or more than 5% over, 1 are more than 20% under or more than 50% over, and 0 were empty.
Thymosin Beta 4: common questions
Which Thymosin Beta 4 vendors pass lab testing?
No vendor has 5 or more lab reports for Thymosin Beta 4 yet, so none is ranked. The table on this page lists every vendor's results so far.
How often do Thymosin Beta 4 vials fail testing?
1 of 1 Thymosin Beta 4 vials on file failed (100.0%). A vial fails if it's empty, under 95% pure, more than 20% under its label, or more than 50% over it.
Are Thymosin Beta 4 vials underdosed?
Usually not; if anything they run over. The typical Thymosin Beta 4 vial on file held +782.0% compared with the amount on its label. Individual vials vary much more than that, and the chart on this page shows every one.
What purity do Thymosin Beta 4 vials test at?
The median Thymosin Beta 4 vial tested at 97.30% purity. We count anything under 95% as a failed vial and give full marks for purity at 99.5% or higher, because small differences above that are within normal lab-to-lab variation.
Where do these Thymosin Beta 4 results come from?
From 1 independent lab reports, mostly commissioned by buyers, covering 1 vials from 1 vendors, dated Sep 2026 to Sep 2026. VendorVerify doesn't test anything itself. A report a vendor paid for is only used if the lab can verify it, and it is marked as vendor-commissioned and counts at half weight.
Does VendorVerify sell Thymosin Beta 4?
No. VendorVerify doesn't sell peptides of any kind. VendorVerify sells nothing and takes no money from vendors. No affiliate links, no coupon codes, no paid rankings.