Tesamorelin Purity: 2562 Lab Tests Across 1069 Vendors

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

We tested 2562 Tesamorelin batches across 1069 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 →

98.99%
Avg purity
2562
Batches tested
1069
Manufacturers
31
Failed <90% purity
162
Underdosed >10%
ManufacturerBatchesAvg purity
Unknown vendor (review) 100 99.63% View COA →
Peptaris 45 99.36% View COA →
Hk Peptides 35 99.39% View COA →
Nexaph 35 97.57% View COA →
Shanghai Sigma Audley Ssa 30 96.14% View COA →
Uther Peptide 28 99.48% View COA →
Wuhan Wansheng Biotechnology 26 94.13% View COA →
Planet Peptide 25 99.52% View COA →

Recent certificates: #64911 (99.69%) · #64921 (99.49%) · #65530 (99.56%) · #65652 (99.63%) · #65653 (99.59%) · #65654 (99.61%)

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 35 COAs · 97.6% avg SSA 30 COAs · 96.1% avg UTHER 28 COAs · 99.5% avg Wuhan Wansheng Biotechnology 26 COAs · 94.1% avg Planet Peptide 25 COAs · 99.5% avg ABC 23 COAs · 97.9% avg Lilipeptide 22 COAs · 96.5% avg QLP 21 COAs · 96.8% avg Reta Peptide 19 COAs · 98.9% avg SRY 18 COAs · 98.0% 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