Research Library
Evidence-based articles on peptide science, mechanisms of action, and emerging research, written for the scientific community.
Melanotan II vs PT-141: The Difference Is One Amide
PT-141 is Melanotan II with one chemical change at the end of the chain. Here is what that does to melanocortin receptor pharmacology, and why one compound is an approved drug while the other carries regulator warnings.
Peptide Sciences Shut Down: How to Pick an Alternative You Can Verify
Peptide Sciences went dark on March 6, 2026, taking its COA library with it. A straight comparison of what they offered against seven-point batch testing you can verify yourself.
Hospira Bacteriostatic Water: Why Researchers Ask for It by Name
Hospira BAC water is the bacteriostatic water brand labs recognize. Here is what the USP label actually means, why the name stuck, and what to check before you use it as a research diluent.
How to Verify a Peptide COA in Under a Minute
A COA only counts if you can pull it up on the lab's own servers. Here is how to verify Janoshik, Freedom Diagnostics, and other third-party reports, including every Validated Peptides batch.
How to Buy Research Peptides With Bitcoin (and Save 5%)
Card processors keep dropping research peptide vendors, so we take Bitcoin and pass 5% back to you. Step-by-step instructions for paying with Cash App, Robinhood, Coinbase, or Gemini, whether you already hold BTC or have never bought it.
What Makes Good Bacteriostatic Water
Not all bacteriostatic water is made the same way. Here is how benzyl alcohol inhibits bacterial growth, how quality BAC water is manufactured, and why the water you use matters more than most researchers realize.
What "Verified Peptides" Actually Means: Purity Testing, COAs, and Lab Quality Standards
"Verified peptides" is a common marketing phrase in the research supply market. Here is what the term should mean in practice: independent testing, documented COAs, and lab quality standards you can actually check.
How to Actually Read a Peptide COA
A Certificate of Analysis is only useful if you understand what it says. Here is a plain-English walkthrough of every section, from the header to the chromatogram.
The COA on Your Peptide Probably Means Nothing
Most peptide vendors show a certificate of analysis. Most of those certificates are impossible to verify. Here is what real third-party testing actually looks like and how to tell the difference.
All content is for informational and educational purposes only. Research articles discuss compounds intended for laboratory research use only, not for human or animal consumption. Always consult applicable regulations before conducting research.