Research Library
Last updated: May 6, 2026
Buying guides for the research peptides we curate. Each guide covers what the compound is, how to evaluate purity and COA documentation, what to look for in a supplier, and the framing we use when sourcing it for the PeptidesNYC catalog.
These guides are intended for laboratory researchers and institutional buyers. They are not therapeutic guides and do not describe clinical use. See our Research Use Disclaimer for the full framing.
Buying Guides
- Buy BPC-157 →Purity evaluation, COA standards, and how to source research-grade BPC-157.
- Buy GLP-3 →What to look for when sourcing the multi-receptor GLP-3 research compound.
- Buy GLP-2 →Sourcing notes for the dual GIP/GLP-1 receptor co-agonist used in metabolic research.
- Buy GLP-1 →Reference notes for sourcing GLP-1 receptor agonist preparations for laboratory study.
- Buy CJC/IPA →Why researchers pair a GHRH analog with a selective GH secretagogue, and how to evaluate stacked preparations.
- Buy Tesa →Sourcing criteria for the GHRH analog used in pituitary signaling research.
- Buy GHK-Cu →Copper-binding tripeptide notes — purity standards and reconstitution guidance.
- Buy NAD+ →Sourcing notes for NAD+ supplied for cellular energy and redox research.
What These Guides Are Not
Our guides do not describe dosing, administration, or therapeutic application of any compound. They are sourcing and evaluation references for in-vitro laboratory research. Researchers are responsible for compliance with their institution's safety and regulatory protocols.