TESAMORELIN Tesamorelin (Tesa) Research Peptide · GHRH Analog · 10mg
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Tesamorelin is a synthetic GHRH analog with enhanced stability for research applications. Growth hormone signaling, metabolic regulation, and visceral adiposity are the usual research contexts.
Purity >99%Form Lyophilized PowderNo Endotoxins
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Related Products
Peer-Reviewed Literature
Related Studies
Peer-Reviewed Literature
Related Studies
Metabolic Effects of a Growth Hormone–Releasing Factor in Patients with HIV
New England Journal of Medicine
412 HIV patients receiving tesamorelin 2 mg daily showed selective 18% visceral fat reduction with improved body image over 26 weeks in this landmark NEJM trial.
Effect of Tesamorelin on Visceral Fat and Liver Fat in HIV-Infected Patients: A Randomized Clinical Trial
JAMA
Tesamorelin-treated group showed VAT decrease of 27.8 cm² versus 5.1 cm² increase in placebo, with triglyceride reductions of 50 mg/dL and modest hepatic fat improvements.
Effects of Tesamorelin on Nonalcoholic Fatty Liver Disease in HIV: A Randomized, Double-Blind, Multicenter Trial
The Lancet HIV
61 HIV patients with NAFLD showed absolute hepatic fat reduction of 4.1% (37% relative) versus placebo over 12 months, with evidence of reduced fibrosis progression.
Tesamorelin Reduces Carotid Intima-Media Thickness in HIV-Infected Patients with Excess Abdominal Fat
Journal of Clinical Endocrinology & Metabolism
Tesamorelin treatment for 12 months reduced carotid intima-media thickness (cIMT) in HIV patients, suggesting cardiovascular protective effects beyond its established visceral fat reduction benefits.
Effect of Growth Hormone-Releasing Hormone on Cognitive Function in Adults with Mild Cognitive Impairment and Healthy Older Adults
Archives of Neurology
Twenty-week GHRH (tesamorelin) treatment improved cognitive function, executive function, and verbal memory in both MCI patients and healthy older adults, with enhanced insulin sensitivity and favorable body composition changes.
Tesamorelin Prevents Onset of Hepatic Steatosis in HIV-Infected Individuals
Clinical Infectious Diseases
Post-hoc analysis of 585 HIV patients showed tesamorelin not only reduced existing liver fat but prevented new-onset hepatic steatosis, with number needed to treat of 7 over 12 months.
Specifications
- Compound
- Tesamorelin, GHRH analogue
- Form
- Lyophilized powder in a sealed glass vial
- Strength
- 10mg per vial
- Purity
- >99% (brand-wide standard), measured 99.39% on the current lot
- Testing
- HPLC purity, mass spectrometry identity, bacterial endotoxin (pass), run by Horizon Analytical
- Documentation
- Lot DPS-9789916, tested Aug 12, 2026 certificate of analysis
- Storage
- Lyophilized: sealed at -20°C, protected from light. After reconstitution: 2-8°C, use within 28 days.
- Reconstitution
- Bacteriostatic water, 1-2 mL per vial (bacteriostatic water is sold separately)
- Origin
- Vialed, finished, tested and shipped in the USA
- Shipping
- Processed within 1 business day; cold-chain not required for lyophilized vials
- Intended use
- Research use only. Not for human or veterinary use.
TESAMORELIN FAQ
Where is tesamorelin for sale?
Order tesamorelin from Blank Peptides in 10mg vials made in our cGMP labs in the USA. Every vial ships with a certificate of analysis matched to its lot, published before you order. We supply researchers directly with no prescription step, and processing time is within 1 business day.
What is tesamorelin?
Tesamorelin is a stabilised analogue of growth hormone releasing hormone, built on the GHRH 1-44 sequence with a trans-3-hexenoyl group added at the N-terminus. That modification blocks the enzymatic cleavage that clears unmodified GHRH quickly. Research has examined its receptor activity and its effect on GH axis signalling in animal and clinical pharmacology settings.
What purity is your tesamorelin?
Greater than 99%. Tesamorelin carries a trans-3-hexenoyl group on the N-terminus that a careless assay can miss entirely, so the sequence gets checked twice: HPLC and mass spectrometry at our lab, then an independent run at Freedom Diagnostics or Horizon Analytical. Bacterial endotoxin testing clears the batch. The COA belongs to your lot rather than a representative sample.
How much bacteriostatic water for tesamorelin 10mg?
1mL, which follows our standard of 1mL per 10mg and gives a 10mg/mL solution. Direct the water against the inside wall of the vial rather than onto the cake, then rotate slowly until clear. Tesamorelin dissolves readily but responds badly to shaking, which produces foam and shears the peptide.
How should tesamorelin be stored?
Sealed lyophilized at -20C, dark and dry. Ambient temperatures during shipping do not harm freeze-dried material. Once reconstituted, store at 2 to 8C and use the solution within a few weeks. Swab the stopper before each withdrawal and avoid repeated freeze-thaw cycles on mixed solution.
Tesamorelin vs sermorelin for GHRH research?
Tesamorelin is stabilised against dipeptidyl peptidase cleavage and therefore persists longer, which suits designs needing sustained receptor engagement. Sermorelin is the shorter unmodified 1-29 fragment with a much briefer signal. Where a study models pulsatile against sustained GHRH stimulation, both compounds usually appear.
How is tesamorelin shipped?
From inside the USA in plain outer packaging with no compound names, with a processing time within 1 business day. Tracking is emailed at label creation. Vials travel padded against knocks; the lyophilized cake does not need a cold chain for domestic transit.
Is tesamorelin legal to buy for research?
This material is sold as an unapproved research chemical for laboratory use. It is not a drug, supplement or veterinary product in this form, carries no FDA approval as supplied, and is not intended for human use. It is WADA prohibited. Ordering confirms qualified research use only.
