Semaglutide, tirzepatide, retatrutide and the wider metabolic research space.
GLP-1 agonist means an agonist at the GLP-1 receptor. Semaglutide is one. Tirzepatide is a dual GLP-1/GIP agonist. Retatrutide is a triple. Calling those "GLP-1s" is like calling …
Everyone quotes the efficacy numbers. Almost nobody quotes what happens after stopping. The published withdrawal and extension data across this class shows substantial regain afte…
Peptides get destroyed in the gut, which is why almost everything in this space is injected. Getting an oral version to work is a real pharma achievement, not a formulation conven…
There is no direct head to head between these. Every comparison you see is cross-trial. Cross-trial comparison is unreliable for boring but decisive reasons: different populations…
This comparison gets made constantly and the single most important fact usually gets buried. Tirzepatide is approved for specific indications and has completed phase 3. Retatrutid…
Most asked comparison on the whole forum so worth getting right. Mechanism: semaglutide is a GLP-1 receptor agonist. Tirzepatide is a dual agonist, GLP-1 plus GIP. That second rec…
Discussions are educational and cover published research. Nothing here is individualised medical advice.