Tesamorelin

Targets stubborn visceral belly fat, the only GHRH the FDA approved for it.

The only GH peptide with a real FDA approval (Egrifta), cleared specifically to reduce excess visceral belly fat
Triggers strong nightly GH pulses that drive fat loss from the deep abdominal stores
Visceral-fat reduction reported in the 8-12 week window

Studied for

Visceral fat lossGH axis

≥99% purity HPLC-tested Growth Hormone

$129per vial

Free shipping over $200 · ships from the USA

Why researchers choose it

Tesamorelin is a growth-hormone releaser tuned to produce strong GH pulses. It's actually FDA-approved, sold as Egrifta, and the approval rests on one specific effect: shrinking deep visceral belly fat.

Reconstitution reference concentration only, not dosing

Set the vial strength and how much bacteriostatic water you draw into it. This returns the resulting concentration for lab handling. It is a dilution reference, not a dosing recommendation.

Vial strength Bacteriostatic water added mL

—mg / mL

Each 0.01 mL — one unit on a U-100 syringe — holds —

Syringe draw	Volume	Amount in that volume

Most compounds reconstitute with bacteriostatic water; a few acid-loving peptides use acetic acid instead. How much to draw, and how many vials a cycle needs, live in the Complete Peptide Guide, not here.

How much, and how many vials for a full cycle?

Protocol and cycle-length questions get answered in the Complete Peptide Guide, not here. These listings carry no dosing.

This compound is supplied for laboratory research use only and is not for human or veterinary consumption. The research summarized here describes published third-party findings, not outcomes from Limitless Peptides, and is not dosing guidance or medical advice. These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease.

How to verify what you received

Every batch we list is third-party HPLC-tested to ≥99% purity. When your vial arrives, these are the handling and quality-control checks a researcher runs before use.

Appearance
A uniform white to off-white lyophilized cake or powder with a consistent fill. Copper peptides carry a characteristic blue tint.
Purity documentation
Our material is third-party HPLC-verified to ≥99% purity and identity before it is listed.
Sealed packaging
An intact flip-top seal and rubber stopper, with the compound and batch clearly labeled.
Clean reconstitution
Dissolves into a clear, particulate-free solution once bacteriostatic water is added.

Commonly studied alongside

MOTS-c(40 mg)

Exercise in a vial, the mitochondrial peptide that flips your workout's AMPK switch.

$139

What the research reports 5 citations

Rare in this category: an actual FDA approval, as Egrifta for HIV-associated lipodystrophy.FDA Egrifta approval
A full-length GHRH analog with a trans-3-hexenoic-acid modification, engineered to bind GHRH receptors and produce strong nightly GH pulses.DailyMed: tesamorelin
Visceral-fat reduction is described in the 8 to 12 week window.researchdosing
FDA cleared a weekly-reconstitution formulation, Egrifta WR, in March 2025: same molecule, same indication.Egrifta WR approval, Mar 2025
MASH/NAFLD outside HIV is a strong off-label research signal, but it is not an approved indication.PubMed: Tesamorelin

Compound reference physicochemical facts

Class: Peptide (GHRH analog)
Molecular formula: C₂₂₁H₃₆₆N₇₂O₆₇S
Molecular weight: 5136 g/mol
CAS number: 218949-48-5
Storage: Lyophilized −20 °C; reconstituted 2–8 °C, kept from light
Source: PubChem CID 16137828

Tesamorelin$129