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Argo Peptides
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Tesamorelin / Ipamorelin

Two growth-hormone peptides, one vial, cleaner signal

$139/ 12mg + 2mg vial

$69.50 per vial with Buy 1, Get 1 Free

1

In stock

  • 99.71% pure on this exact lot, verified by an independent lab, not by us
  • Tested in America. Ships within 1 business day, stored frozen, stable at room temperature until you mix it
  • Retest it at any lab. If it doesn't match our report, every dollar back
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All products currently listed on this site are for research purposes only.

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Certificate of analysis

Every vial ships with its own report

We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.

  • Lot-specific HPLC purity + LC-MS identity
  • Raw chromatogram + mass confirmation attached
  • Signed off by the lab's Principal Chemist
  • Permanent archive — searchable by lot ID
or browse the lot archive
Tesamorelin / Ipamorelin · 12mg + 2mgLot TSIP14-052026-1Live

Purity by HPLC-UV

99.71%

Tested by
Freedom Diagnostics
Tested on
02 Jun 2026
Net content
Ipamorelin 3.15mg | Tesamorelin 14.87mg

Contaminant screens

Heavy metalsEndotoxinsMicrobialSolvents
See all lab reports
Tesamorelin / Ipamorelin 14mg — molecular specimen
GHRH signalGHRH analogue
Ghrelin receptorGHS-R agonist
IGF-1 axisdownstream output

How Tesamorelin / Ipamorelin works

The pair is studied to raise growth hormone through three separate routes that can stack.

01

GHRH signalGHRH analogue

Tesamorelin copies the natural growth-hormone-releasing hormone, telling the pituitary to make and release its own GH.

02

Ghrelin receptorGHS-R agonist

Ipamorelin flips a separate hunger-hormone switch (GHS-R) that also triggers GH release, giving a second, independent push.

03

IGF-1 axisdownstream output

More GH raises IGF-1 in the liver, the downstream messenger tied to fat metabolism and tissue turnover in preclinical studies.

For research use only. Mechanisms described reflect published preclinical and clinical literature.

Every batch we've tested

Anyone can show you one good report. Here is every batch of Tesamorelin / Ipamorelin we have ever released, newest first, each with its own signed report. Nothing hidden, nothing cherry-picked.

2 batches on record · latest tested 02 Jun 2026
All lab reportsEvery Tesamorelin / Ipamorelin batch, on one page.The full testing history with every signed report. No login, no email wall.See all lab reports

What the studies found

Published findings on this compound, each linked to its source. Animal and lab results are context, not claims about this product.

Visceral fatClinical
−15.4%

In pooled phase 3 trials of 806 adults with HIV, tesamorelin cut visceral fat 15.4% more than placebo at 26 weeks, while fat under the skin barely changed.

net of placebo at 26 weeks
JCEM 2010 · pooled phase 3 RCTs, n=806
Visceral fat−15.4%
Fat under skin−0.6%

Tesamorelin effect vs placebo at 26 weeks, by fat type

Selective GH releasePreclinical
>200×

In pigs, ipamorelin released about as much growth hormone as GHRP-6 without raising stress hormones ACTH or cortisol, even at over 200 times its half-strength dose.

times its half-strength dose
GHRP-256 ng/mL
Ipamorelin65 ng/mL
GHRP-674 ng/mL

Peak GH in pigs; GHRP-2 and GHRP-6 also raised cortisol

Eur J Endocrinol 1998 · pig and rat study
Liver fatClinical
−2.0 pts

In a 6-month trial of 50 adults with HIV and belly fat, tesamorelin lowered median liver fat by 2.0 percentage points, while it rose 0.9 on placebo.

vs +0.9 pts on placebo
Placebo+0.9 pts
Tesamorelin−2.0 pts

Median change in liver fat percentage at 6 months

JAMA 2014 · RCT, n=50

What buyers say

Common questions

Quick answers about Tesamorelin / Ipamorelin.

99.71% pure, or your money back.

Test any batch at any lab you like. If it doesn't match our report, you get every dollar back. No return shipping, no forms, no arguments.

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