Tesamorelin Purity: 2353 Lab Tests Across 1022 Vendors

38 studies (5 from unattributed sources) on Tesamorelin curated from PubMed, ClinicalTrials.gov, and EuropePMC. Updated daily.

We tested 2353 Tesamorelin batches across 1022 manufacturers

Independent certificate-of-analysis evidence from third-party labs — the data behind the studies. Updated as new COAs are verified. Read the full grey-market analysis →

98.94%
Avg purity
2353
Batches tested
1022
Manufacturers
31
Failed <90% purity
151
Underdosed >10%
ManufacturerBatchesAvg purity
Peptaris 45 99.36% View COA →
Hk Peptides 35 99.39% View COA →
Nexaph 34 97.54% View COA →
Unknown vendor (review) 32 99.5% View COA →
Shanghai Sigma Audley Ssa 30 96.14% View COA →
Planet Peptide 25 99.52% View COA →
Wuhan Wansheng Biotechnology 25 93.89% View COA →
Allen Biotechnology Co Abc 23 97.94% View COA →

Recent certificates: #27997 (99.71%) · #38468 (99.81%) · #49832 (99.9%) · #51589 (99.71%) · #30590 (99.77%) · #41467 (99.76%)

Vendors who tested Tesamorelin

Manufacturers with published third-party certificates of analysis for Tesamorelin. Open a vendor to see every batch we've verified.

Peptaris 45 COAs · 99.4% avg Hk Peptides 35 COAs · 99.4% avg Nexaph 34 COAs · 97.5% avg Unknown vendor (review) 32 COAs · 99.5% avg SSA 30 COAs · 96.1% avg Planet Peptide 25 COAs · 99.5% avg Wuhan Wansheng Biotechnology 25 COAs · 93.9% avg ABC 23 COAs · 97.9% avg QLP 21 COAs · 96.8% avg Reta Peptide 19 COAs · 98.9% avg Lilipeptide 19 COAs · 96.1% avg UTHER 18 COAs · 99.7% avg

Research tools

Free, no account — handy when you're working with Tesamorelin.

Reconstitution calculator Bac water, concentration & insulin-unit math Verify a COA Look up a report number against our corpus