Research library
Guides & study summaries
Plain-English background on the research peptides we compare — mechanisms, storage and handling, and what the literature does and doesn’t say.
All guidesBPC-157TB-500GHK-CuRetatrutideSemaglutideTirzepatideIpamorelinCJC-1295CJC-1295 with DACMOTS-cNAD+SS-31KPVSelank
3 articles · Cagrilintide
24 Oct 2026 · 1 min read
Cagrilintide Explained: The Long-Acting Amylin Analogue
What amylin does, how cagrilintide was engineered to last longer, why it's being studied with GLP-1 agonists, and how to compare cagrilintide listings.
CagrilintideSemaglutideRetatrutide
24 Oct 2026 · 2 min read
Retatrutide Explained: The GIP, GLP-1 and Glucagon Triple Agonist
How retatrutide differs from semaglutide and tirzepatide, what its three receptor targets do, where it is in development, and how to compare UK research listings.
RetatrutideTirzepatideSemaglutideCagrilintide
24 Oct 2026 · 2 min read
Semaglutide vs Tirzepatide vs Retatrutide: The Incretin Peptides Compared
A neutral comparison of the GLP-1-based peptides — semaglutide, liraglutide, tirzepatide, retatrutide, mazdutide and survodutide — by receptor target and regulatory status.
SemaglutideTirzepatideRetatrutideLiraglutide