✓ Purity · passBatch · TB4100918Shop-provided sample
TB-500 × utherpeptide.com — Lab Test, October 2025
Tested · submitted by @Frank 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.82%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA #81228 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
N1DP42ES1GVDLook it up on Janoshik Labs ↗Checked Oct 3, 2025
Test results
6 data points
Purity
99.82%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
11.35 mg
Qty match
114% of labeled · +14%
0label125%
Batch / Lot
TB4100918
COA number
#81228
Tested by
Janoshik LabsView profile →
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Independent HPLC purity analysis of TB-500 from ezpeps.com, performed by Janoshik Labs on October 3, 2025. Reported purity: 99.82%. Net content: 11.35 mg against 10 mg labeled (114% of label). Tested content exceeds the labeled amount by 14%. Batch TB4100918. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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