Peptide comparisons
The pairs people most often weigh up, compared on mechanism, evidence and status.
Tirzepatide vs Semaglutide
Tirzepatide vs semaglutide compared: SURMOUNT-5 head-to-head weight-loss results, mechanisms, side effects, dosing and UK availability of Mounjaro and Wegovy.
Retatrutide vs Tirzepatide
Retatrutide vs tirzepatide: triple vs dual agonist, phase 2/3 weight-loss data, side effects and why only one is licensed in the UK.
BPC-157 vs TB-500
BPC-157 vs TB-500 compared: origin, mechanism, strength of evidence, safety and why they are often combined as the Wolverine stack.
Semax vs Selank
Semax vs Selank compared: two Russian-developed nasal peptides — one for cognition and stroke, one for anxiety.
Melanotan 2 vs PT-141
MT-2 vs PT-141: how a tanning peptide became an FDA-approved libido drug.
Tesamorelin vs Ipamorelin
Tesamorelin vs ipamorelin compared: two different routes to raising growth hormone, the clinical evidence for visceral fat, side effects and approval status.
CJC-1295 vs Ipamorelin
CJC-1295 vs ipamorelin: GHRH analogue vs ghrelin mimetic, DAC vs no-DAC, human data and the rationale behind the CJC/Ipa blend.