The Peptide Research Hub

Comparisons

Peptide Comparisons

Head-to-head research guides. Mechanism, dosing, half-life, evidence and handling — side by side.

Semaglutide vs Tirzepatide

GLP-1 agonist vs GLP-1/GIP dual agonist. Potency, dosing, clinical data.

Read comparison Growth Hormone

Ipamorelin vs CJC-1295

Ghrelin mimetic vs GHRH analogue. Why researchers pair them.

Read comparison Tissue Repair

BPC-157 vs TB-500

Gastric pentadecapeptide vs thymosin β-4 fragment. Local vs systemic repair.

Read comparison Brands

Ozempic vs Wegovy vs Mounjaro

Two brands, one molecule (semaglutide) — plus Mounjaro (tirzepatide).

Read comparison GLP-1

Retatrutide vs Tirzepatide

Triple GGG agonist vs dual GLP-1/GIP. The next-gen weight-loss comparison.

Read comparison Melanocortin

MT-2 vs Melanotan I

Non-selective melanocortin agonist vs MC1R-selective afamelanotide.

Read comparison Skin & Repair

GHK-Cu vs Copper Peptides

The specific tripeptide-copper complex vs the marketing category.

Read comparison Reproductive

PT-141 vs Kisspeptin

Central melanocortin arousal pathway vs HPG-axis initiation.

Read comparison Longevity

NAD+ vs NMN

Direct cofactor vs one-step precursor. Route, dose and cost trade-offs.

Read comparison