Research use only. All compounds are for in vitro laboratory research. Not for human consumption. Not FDA approved.
Tesamorelin research peptide vial
HPLC Verified
>99% Purity
COA Included
Growth Hormone Secretagogues

Tesamorelin

$84.99
Tesamorelin — stabilized GHRH analogue studied for visceral fat metabolism, GH secretion and lipodystrophy models. >99% HPLC purity. Third-party COA. Research use only.
Format Lyophilized powder
Purity >99% HPLC verified
Storage Lyophilized: -20°C
CAS Number
Select Size
Also available: Gonadorelin →
In Stock — 2–5 day domestic delivery
HPLC Verified
>99% Purity
📄 COA Included
For Research Use Only (RUO)
Not for human consumption. Not intended to diagnose, treat, cure, or prevent any disease. For in vitro and laboratory research purposes only.
Tesamorelin $84.99

Product Information

Why Buy Tesamorelin from Official Peptides

Official Peptides offers Tesamorelin at verified research purity with complete third-party laboratory documentation. We ship cold-pack from the US with same-day dispatch and maintain consistent inventory for uninterrupted research programs. Our pricing, quality standards, and customer support set us apart from generic peptide suppliers.

Tesamorelin Research Profile

Tesamorelin is a synthetic analog of growth hormone-releasing factor (GRF) with a trans-3-hexenoic acid modification that enhances its stability and half-life. It acts on the GHRH receptor to stimulate growth hormone secretion. It is FDA-approved under the brand name Egrifta for HIV-associated lipodystrophy and has been studied in research settings for its effects on visceral fat reduction, GH/IGF-1 axis modulation, and metabolic parameters. For research use only outside of approved indications.

Product Specifications

  • Purity: ≥99% (HPLC verified)
  • Format: Lyophilized powder
  • Quantity: 2mg per vial
  • Storage: Refrigerate at 2-8°C; protect from light and humidity
  • Shipping: USPS Priority Mail with cold pack; ships within 1 business day

Frequently Asked Questions

Q: What chemical modification distinguishes Tesamorelin from standard GHRH?
A: Tesamorelin incorporates a trans-3-hexenoic acid group at the N-terminus of the GHRH(1-44) sequence. This modification increases resistance to enzymatic degradation and extends the peptide’s stability and half-life compared to native GHRH, making it more practical for research protocols.

Q: What has research shown about Tesamorelin’s effects on body composition?
A: Clinical and preclinical research has documented Tesamorelin’s ability to reduce visceral adipose tissue while preserving lean mass in subjects with GH insufficiency or HIV-related lipodystrophy. The mechanism involves increased GH pulsatility and downstream IGF-1 signaling affecting lipid metabolism.

Q: Does Official Peptides carry Tesamorelin in stock?
A: Yes. Tesamorelin is a regularly stocked item at Official Peptides. Orders ship within one business day from our US facility with cold pack packaging included at no additional charge.

Order Tesamorelin Online

Order research-grade Tesamorelin from Official Peptides today. Secure checkout, free shipping over $150, and a quality guarantee on every order. Add to cart and receive your shipment within 2-4 business days.

For Research Use Only. This compound is intended strictly for in vitro laboratory research by qualified scientists. Not for human consumption. Not FDA approved. Keep out of reach of children.

Third-Party Verified

Every Order Ships with a Certificate of Analysis

We don't just claim purity — we prove it. Every batch of Tesamorelin is independently tested by an accredited third-party laboratory before it reaches you. Your COA is linked to your specific lot number.

HPLC purity analysis — minimum threshold >99%
Mass spectrometry — molecular weight confirmation
Lot number traceable to your order
Endotoxin limits verified — safe for cell-based assays
View Sample COA & Testing Process
Official Peptides Labs Certificate of Analysis
ProductTesamorelin
Lot #OP-2025-9344
HPLC Purity>99.0%99.2%PASS
Mass Spec (MW)ConfirmedConfirmedPASS
Endotoxin<1 EU/mg<0.5 EU/mgPASS

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