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peptide comparison · healing & repair × growth

TB-500 vs Tesamorelin

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

§ 01

Mechanism

tb-500

TB-500

Thymosin Beta-4 fragment

Synthetic fragment of the naturally occurring thymosin beta-4. Researched for cell migration and tissue repair.

Full guide →
vs
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 →
§ 02

Key facts

factTB-500Tesamorelin
category
·healing & repairgrowth·
half-life
·—~30 minutes (with sustained pituitary effect)·
research dosing
·Research literature cites 2–5 mg twice weekly for 4–6 weeks.Research literature cites 1–2 mg daily subcutaneous, typically administered before bed.·
trending
search demand
●68/10065/100○
vendors stocking
●30○
aliases
·Thymosin Beta-4 fragmentTH9507 · Egrifta·
§ 03

Use-case overlap

only tb-500
  • recovery
  • tissue repair
both

none

only tesamorelin
  • visceral fat reduction
  • GHRH analog research
  • HIV-associated lipodystrophy (FDA-approved indication)
§ 04

Where to buy

tb-500
TB-500
3 verified vendors
Particle PeptidesPure RawzSwiss Chems
See all vendors →
tesamorelin
Tesamorelin
0 verified vendors
See all vendors →
§ 05

Sources

  1. [01]Thymosin beta 4 and its actin-binding partners· TB-500
  2. [02]Effects of tesamorelin on visceral adipose tissue — JAMA· Tesamorelin
  3. [03]FDA approval label — Egrifta· Tesamorelin
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