Growth hormone axis

Tesamorelin

Also sold as Egrifta analogue

Growth hormone releasing hormone analogue. Forty four residues long, which makes it one of the harder compounds on this list to synthesise cleanly.

Vendors tested: 7; of 17 listed
Samples passed: 67%; of 9 results
Median price: $6.78/mg; 10 mg vials typical

Who leads Tesamorelin

Vendors with independent results for Tesamorelin, ordered by overall score. The pass counts and average purity shown are for this compound only, judged against 99.5% purity, confirmed identity, and fill within 25% of the label.

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1 Atomik Labz 2 of 2 passed, latest Sep 30, 2026 Buy Tesamorelin at atomiklabz.com 99.73% avg purity $5.50/mg $55 / 10 mg 94.9 Overall
2 Solution Peptides 2 of 2 passed, latest Aug 11, 2026 Buy Tesamorelin at solutionpeptides.net 99.62% avg purity $5.50/mg $55 / 10 mg 92.4 Overall
3 Peptidology 1 of 1 passed, latest Mar 5, 2026 Buy Tesamorelin at peptidology.co 99.52% avg purity $6.67/mg $80 / 12 mg 84.1 Overall
4 Peptide Maxxing 1 of 1 passed, latest Feb 10, 2026 99.55% avg purity n/a no listing 82.5 Overall
5 Skye Peptides 0 of 1 passed, latest Feb 28, 2026 Buy Tesamorelin at skyepeptides.com 99.00% avg purity $6.90/mg $69 / 10 mg 81.7 Overall
6 Polaris Peptides 0 of 1 passed, latest Jan 27, 2026 Buy Tesamorelin at polarispeptides.com 98.80% avg purity $6.50/mg $65 / 10 mg 73.3 Overall
7 Biotech Peptides 0 of 1 passed, latest May 29, 2026 Buy Tesamorelin at biotechpeptides.com 98.60% avg purity $7.30/mg $73 / 10 mg 66.0 Overall

Who leads Tesamorelin

Listed, not yet tested