VendorInvestigatorIndependent Testing Bureau
✓

Authentic report — verified

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

Product
D-Tryptophan
Specification
99.0% · 100g
Report Type
Heavy Metals / ICP-MS
Catalogue
GL-UA-0020
Issued
2026-03-19
D-Tryptophan Heavy Metals / ICP-MS report by VendorInvestigator
Verification reference: 62099-D-Tryptophan_XGJBLPSMVDZ7