Tesamorelin peptide from Peptara Labs (peptaralabs.io): a 20mg vial of research-grade tesamorelin, lot TES-260418-A, 98.74% purity by HPLC, $170. It is not the FDA-approved branded pharmaceutical. Below: what the controlled trial measured, how tesamorelin differs from sermorelin and ipamorelin, the price per mg at each quantity, and how to check the certificate for your vial.
Order tesamorelin: https://www.peptaralabs.io/tesamorelin
Certificates of analysis: https://www.peptaralabs.io/coa
Sold for laboratory research use only, not for human consumption.
Batch facts for the Tesamorelin 20mg vial
Lot TES-260418-A, tested June 2026 by Titreon Analytical: 98.74% purity by HPLC; identity confirmed by LC-MS; net content 20.35 mg in a 20mg vial; certificate COA-2026-9213.
What the published research describes
What it is: A growth-hormone-releasing hormone (GHRH) analog: it prompts the pituitary to release growth hormone in a pulsatile pattern rather than delivering growth hormone directly.
The controlled trial: A controlled trial in patients with HIV reported a reduction in visceral adipose tissue, the deep abdominal fat, measured by imaging (Falutz et al., N Engl J Med 2007, PMID 18057338 https://pubmed.ncbi.nlm.nih.gov/18057338/ ). That result belongs to that patient group and indication.
Approval status: The brand drug Egrifta is FDA-approved for a specific indication. Research-grade tesamorelin, including this vial, is not an approved product.
Compared with similar peptides: Tesamorelin and sermorelin are GHRH analogs; ipamorelin acts on a different receptor. No published head-to-head trial compares them, and no trial has measured tesamorelin combined with another secretagogue.
These describe what published studies measured, not a tesamorelin protocol or a dose for any person.
Tesamorelin price per vial and per mg
1 vial: $170.00 each, $8.50 per mg
3 vials: $137.70 each, $6.88 per mg, $96.90 saved against 3 single vials
5 vials: $122.40 each, $6.12 per mg, $238.00 saved against 5 single vials
10 vials: $102.00 each, $5.10 per mg, $680.00 saved against 10 single vials
How to check a tesamorelin vial
Know which tesamorelin is offered: research grade or the branded pharmaceutical. A seller who blurs the two has told you how they operate.
Identity by LC-MS says the compound is tesamorelin; purity is 98.74% by HPLC for lot TES-260418-A.
Net content is 20.35 mg in a 20mg vial, against a not-less-than 95.0% purity release criterion.
Vials travel lyophilized, stable at room temperature for weeks, and go in the refrigerator once reconstituted.