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peptide comparison · growth × metabolic

Tesamorelin vs Tirzepatide

Two compounds, mechanism by mechanism. Where they overlap, where they don't, and which vendors stock each.

§ 01

Mechanism

tesamorelin

Tesamorelin

TH9507Egrifta

Synthetic 44-amino-acid analog of growth hormone-releasing hormone (GHRH). Stimulates pituitary release of endogenous growth hormone in a pulsatile manner.

Full guide →
vs
tirzepatide

Tirzepatide

MounjaroZepbound

Dual GLP-1 / GIP receptor agonist. FDA-approved as Mounjaro (T2D) and Zepbound (obesity).

Full guide →
§ 02

Key facts

factTesamorelinTirzepatide
category
·growthmetabolic·
half-life
·~30 minutes (with sustained pituitary effect)~5 days·
research dosing
·Research literature cites 1–2 mg daily subcutaneous, typically administered before bed.Research literature cites 2.5–15 mg weekly subcutaneous, escalated over 16+ weeks.·
trending
search demand
○65/10088/100●
vendors stocking
○07●
aliases
·TH9507 · EgriftaMounjaro · Zepbound·
§ 03

Use-case overlap

only tesamorelin
  • visceral fat reduction
  • GHRH analog research
  • HIV-associated lipodystrophy (FDA-approved indication)
both

none

only tirzepatide
  • weight loss
  • type 2 diabetes
§ 04

Where to buy

tesamorelin
Tesamorelin
0 verified vendors
See all vendors →
tirzepatide
Tirzepatide
7 verified vendors
Amino AsylumAscension PeptidesLimitless Life NootropicsParadigm Peptides+3 more
See all vendors →
§ 05

Sources

  1. [01]Effects of tesamorelin on visceral adipose tissue — JAMA· Tesamorelin
  2. [02]FDA approval label — Egrifta· Tesamorelin
  3. [03]Tirzepatide once weekly for the treatment of obesity (NEJM)· Tirzepatide
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