Testing laboratory

BTLabs

BTLabs signed 19 of the certificates behind these rankings, covering 2 vendors and 15 compounds, at a mean reported purity of 99.73%. We have found no public lookup for this laboratory, so its reports can be read but not independently re-pulled.

19 certificates · 2 vendors · 15 compounds · assays 27 Apr 2026 to 10 Jul 2026

Vendors using this laboratory

Vendor	Certificates from this lab
Curo	17
Polaris Peptides	2

Across these certificates the median gap between labelled and assayed mass is 19.4%. That figure describes what the laboratory reported about the samples it received; it is a property of those samples, not a rating of the laboratory.

Certificates

All certificates

Assayed	Compound	Vendor	Lot	Purity	Label → assayed
10 Jul 2026	NAD+	Curo	NAD500SR626	99.9%	500 mg → 615.7 mg
10 Jul 2026	CJC-1295	Curo	CND10ZO626	99.7%	10 mg → 17.2 mg
10 Jul 2026	Ipamorelin	Curo	IPA10ZO626	99.9%	10 mg → 10.04 mg
10 Jul 2026	MOTS-c	Curo	MOTS10ZO626	99.9%	10 mg → 10.5 mg
10 Jul 2026	KPV	Curo	KPV10ZO626	99.6%	10 mg → 12.7 mg
10 Jul 2026	Selank	Curo	SEL10ZO626	99.7%	10 mg → 10.6 mg
10 Jul 2026	Epithalon	Curo	EPI10ZO626	99.5%	10 mg → 14.4 mg
10 Jul 2026	Tesamorelin	Curo	TSM20ZO626	99.8%	20 mg → 24.6 mg
25 May 2026	NAD+	Curo	NAD500SR526	99.9%	500 mg → 596.9 mg
25 May 2026	BPC-157	Curo	BPC05SR526	99.6%	5 mg → 6.2 mg
25 May 2026	GHK-Cu	Curo	GHK50SR526	99.6%	50 mg → 56.5 mg
25 May 2026	Retatrutide	Curo	RTA10SR526	99.8%	10 mg → 10.8 mg
25 May 2026	Retatrutide	Curo	RTA30SR526	99.8%	30 mg → 31.8 mg
25 May 2026	Ipamorelin	Curo	IPA05SR526	99.8%	5 mg → 5.6 mg
25 May 2026	TB-500	Curo	TB50SR526	99.6%	5 mg → 6 mg
25 May 2026	Semax	Curo	SEM10SR526	99.6%	10 mg → 10.3 mg
25 May 2026	NAD+	Curo	NAD1000SR526	99.9%	1000 mg → 1231.7 mg
14 May 2026	Tirzepatide	Polaris Peptides	P2L-T30-19	99.6%	30 mg → 37.4 mg
27 Apr 2026	Sermorelin	Polaris Peptides	POL-SER10-4	99.6%	10 mg → 10.3 mg