VendorInvestigateIndependent Testing Bureau

Authentic report — verified

This certificate was issued by VendorInvestigate and matches our records. Reference ID confirmed.

Product
L-Thyroxine (T4)
Specification
98.0% · 1g
Report Type
Heavy Metals / ICP-MS
Catalogue
GL-SP-0020
Issued
2026-03-25
L-Thyroxine (T4) Heavy Metals / ICP-MS report by VendorInvestigate
Verification reference: 29253-L-Thyroxine_(T4)_337HYKJ9P89W