≥99% purity
Metabolic support & healthy weight management
Select dosage
3 options
Volume Pricing
What's included
GLP-3 vial
Lyophilized · sealed · multiple sizes
Certificate of analysis
Batch-specific · third-party lab
Cold-chain pack
Temperature-controlled on orders $150+
Handling guide
Storage + reconstitution instructions
Reviews
Sent the vial through our own analytical workflow before opening. Purity reading came back within 0.2% of what Pepthera's COA stated. Cold-pack was still frozen on arrival. This is the standard I expect from a clinical supplier.
Purity holds up to independent verification every time. Cold-chain delivery was handled properly — arrived at correct temperature. COA documentation is thorough and batch-matched.
I run analytical chemistry. Sent this through our HPLC stack: matched the supplier-stated purity within 0.15%. That alignment is rarer than it should be in this market.
Emailed a reconstitution question, got back a detailed answer that referenced the specific peptide's solubility profile. Whoever runs support is technically literate. That alone separates Pepthera from competitors.
No complaint on quality — purity verified, packaging excellent. I would order more frequently if same-day processing were available on weekends. Otherwise this is now my primary source.
Submitted the vial blind to a third-party lab for independent purity testing. Result came back within 0.1% of the supplied COA. Pepthera passes the independent check.
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