§ Library
Peptide guides — evidence over vibes.
Long-form explainers on each peptide we track. Every article cites peer-reviewed sources, is dated, and carries a medical reviewer byline. When new evidence changes the picture, we update — and log it in our corrections ledger.
·bpc-157
BPC-157: what the research actually shows
A 15-amino-acid pentadecapeptide with preclinical evidence for tissue repair. What buyers should know before comparing prices.
·tirzepatide
Tirzepatide and the shift to research-grade GLP-1s
Why the research-chemical market for dual GIP/GLP-1 agonists ballooned in 2024–2026, and what that means for buyers.
·general
How to read a certificate of analysis (COA)
What the numbers on a peptide COA actually mean — and which ones matter most when you're comparing vendors.