The GLP-3 question, briefly
GLP-2 TZ is GLP-1 plus GIP. GLP-3 RT adds glucagon. Why the receptor count matters for in-vitro work, and why the literature is still catching up.
Category: Field Notes
How long does a lyophilized peptide actually last?
Stability data from a 90-day study comparing −20°C, 4°C, and room-temperature storage of reconstituted BPC-157, with HPLC re-checks at every interval.
Reading a Certificate of Analysis without taking the vendor’s word for it
A practical walkthrough of every field on a real research-grade COA — what each number actually means, and which ones you can ignore.