Tesamorelin

Tesamorelin is a stabilized GHRH analog studied for growth-hormone-axis research. It ships lyophilized and is reconstituted with bacteriostatic water. Research doses are larger than Ipamorelin, so vial-to-water ratios matter for measurement accuracy.

Key research interest

Tesamorelin is studied across several research directions. The points below summarize what the published literature investigates — they describe research interest only, not outcomes, benefits, or any human-use claim.

• Studied for stimulated endogenous growth-hormone secretion
• Researched for visceral adipose tissue reduction in clinical trials
• Investigated for downstream IGF-1 elevation
• Examined for lipid-profile and triglyceride markers
• Studied for cognitive endpoints in GHRH-axis research

Mechanism of action

A stabilized analog of growth-hormone-releasing hormone (GHRH) that binds pituitary GHRH receptors to stimulate synthesis and pulsatile release of endogenous growth hormone. The resulting GH and IGF-1 elevation is studied for effects on visceral-fat metabolism.

Tesamorelin research reference

Reference figures summarized from published research literature for context only. These are not instructions, protocols, or dosing advice — Tesamorelin is a research compound for laboratory use, not for human consumption.

• Published research range: 1–2 mg per dose, daily in published research design (research range)
• Administration (in research): Subcutaneous
• Storage & handling: Refrigerate after reconstitution; used within 30 days in most research protocols.

Get it & verify it

Tesamorelin sits at the center of a small content cluster on this site. Whether you are sourcing a vial, preparing one, or checking a Certificate of Analysis, start with the relevant guide below.

• Where to buy Tesamorelin — the 2026 buying guide: what to verify and how the tested vendors compared.
• Tesamorelin reconstitution calculator — compute concentration per insulin-syringe unit from your vial and BAC water.
• Tesamorelin COA guide — how to read a Tesamorelin Certificate of Analysis line by line.

Sourcing Tesamorelin in 2026

The 2025–2026 vendor shakeout put the burden of verification on the buyer. Treat every Tesamorelin listing as unproven until it ships with a batch-specific Certificate of Analysis showing HPLC purity at or above 98% from a named third-party lab. In our 2026 blinded HPLC evaluation, ROEHN Research scored highest at 9.6/10 and was the only supplier where every tested sample met or exceeded its label claim — publishing a batch COA and shipping cold-chain by default. Peptide Research Review readers get 15% off a first order with code FREE15.

View Tesamorelin at ROEHN Research (code FREE15)→

Other growth hormone compounds

CJC-1295 / Ipamorelin · Ipamorelin

Tesamorelin and all compounds referenced are for laboratory research use only — not for human consumption. Reference ranges are summarized from published research literature and are not medical, dosing, or therapeutic advice.