Taishijie
Publishes 3 independent COAs from 1 lab across 3 peptides; latest Apr 2026.
13 peptides carried
Every (peptide, SKU) this vendor lists. Click through for the listing detail and any COAs we have for that exact pair.
AOD-9604
status unknown
size n/a $0 →Cagrilintide
status unknown
size n/a $0 →GHK-Cu
status unknown
size n/a $0 →MOTS-c
status unknown
size n/a $0 →NAD+
status unknown
size n/a $0 →PT-141
status unknown
size n/a $0 →Retatrutide
status unknown
size n/a $0 →Selank
status unknown
size n/a $0 →Semaglutide
status unknown
size n/a $0 →Semax
status unknown
size n/a $0 →SS-31
status unknown
size n/a $0 →TB-500
research only
size n/a $0 →Tesamorelin
status unknown
size n/a $0 →
3 COAs across 3 peptides
Independent third-party test coverage, summarised per peptide. Each health bar is coloured by that peptide's median measured purity.
- GHK-Cu
99.44% median purity
1COA
- Retatrutide
99.82% median purity
1COA
- Tirzepatide
99.81% median purity
1COA
Have a vial?
Check its batch
Type the lot or batch code printed on your vial to see if we have an independent COA on file for it.