Question 1

What was the tested purity of lot GL15KC?

Accepted Answer

Lot GL15KC (Glutathione) tested at 99.740% HPLC purity from Orbitrex Peptides, based on 2 Certificates of Analysis indexed by Disclosed Labs.

Question 2

Which labs tested lot GL15KC?

Accepted Answer

Lot GL15KC was tested by Freedom Diagnostics, AccumarkLabs based on COA data in the Disclosed Labs corpus.

Question 3

Does lot GL15KC appear on multiple vendors?

Accepted Answer

Yes — lot GL15KC appears across 2 vendors in the Disclosed Labs corpus, which may indicate a reseller relationship or a recycled COA. The HPLC purity range across these COAs is 99.74%–99.74%.

Question 4

Was lot GL15KC tested for endotoxin?

Accepted Answer

Yes — lot GL15KC has at least one COA reporting an endotoxin (LAL) result: Pass. Endotoxin testing (USP <85> / LAL) is a safety panel that matters for injectable compounds.

Vendor	Peptide	Lab	Purity	Tests	Tested
Orbitrex Peptides	Glutathione	Freedom Diagnostics	99.74%	MSLAL	2026-06-30	Detail →Source
Synthesis Peptides	Glutathione	AccumarkLabs	99.74%	MSLAL	2026-06-30	Detail →

GL15KC

Cross-vendor collision detected

Tests reported