Last updated: June 2026 · Research use only
Short answer: Buy tesamorelin from a vendor with a published batch COA. Proxiva Labs carries research tesamorelin from $35, with a published Vanguard-lab COA at 98.20% HPLC purity, a COA with every order, and same-day US shipping before 4 PM EST.
What to check before buying tesamorelin
- A batch COA before purchase — see How to Read a Peptide COA.
- HPLC ?96% (?99% excellent) + mass-spec identity.
- U.S. shipping + a stable vendor.
Buying tesamorelin from Proxiva Labs
- Research tesamorelin from $35, with published independent-lab purity of 98.20% — certificate at /test-results/.
- COA with every order; same-day shipping before 4 PM EST, 2–3 day delivery, free over $150.
- FDA-registered, GMP-certified U.S. facilities.
Also covered in our Growth Hormone Secretagogues guide; compare vendors in the 2026 ranking.
FAQ
What purity is Proxiva’s tesamorelin? The published independent-lab (Vanguard) COA shows 98.20% HPLC — clearing the ?96% research-grade bar.
How much does tesamorelin cost? From $35 at Proxiva Labs.
Research-use-only disclaimer: Tesamorelin is intended strictly for research and laboratory use only. It is not approved for human consumption, medical application, or diagnostic use.
All products are sold strictly for research purposes only. Not for human consumption.