Transparency —

Certificates of Analysis

Every lot is independently tested by third-party labs for identity and purity. Find your batch below and download the report.

Third-party tested
HPLC + Mass Spec
Lot-specific PDFs

Peptide

Semaglutide

99.2% pure

Lot #

SBL-SEM-2410-01

Tested

Apr 12, 2026

Method

HPLC + Mass Spec

Lab

Janoshik Analytical

Download COA

Peptide

Tirzepatide

98.7% pure

Lot #

SBL-TIR-2411-02

Tested

Apr 18, 2026

Method

HPLC + Mass Spec

Lab

Janoshik Analytical

Download COA

Peptide

Retatrutide

99.0% pure

Lot #

SBL-RET-2502-01

Tested

May 2, 2026

Method

HPLC + Mass Spec

Lab

Janoshik Analytical

Download COA

Peptide

Tesamorelin

98.4% pure

Lot #

SBL-TES-2503-04

Tested

May 9, 2026

Method

HPLC

Lab

Janoshik Analytical

Download COA

Peptide

MOTS-c

99.5% pure

Lot #

SBL-MTC-2501-03

Tested

Mar 21, 2026

Method

HPLC + Mass Spec

Lab

Janoshik Analytical

Download COA

Peptide

BPC-157

99.1% pure

Lot #

SBL-BPC-2504-02

Tested

May 22, 2026

Method

HPLC

Lab

Janoshik Analytical

Download COA

For research use only. Not for human consumption. Lots subject to change — always verify the lot printed on your vial matches the COA.