Free, tracked US shipping over $199Third-party HPLC-MS testedPublished COA on every batchCold-chain protective packaging2–3 day US deliveryFor research use onlyFree, tracked US shipping over $199Third-party HPLC-MS testedPublished COA on every batchCold-chain protective packaging2–3 day US deliveryFor research use only
pepper.
Testing & transparency

Verify a certificate of analysis

Enter the lot number printed on your vial to pull its exact HPLC-MS purity and identity record. Every batch we release is independently tested and archived.

Verified authentic

Batch PH-4220 matches a released Pepper lot.

Compound

Tirzepatide

Verified purity
99.50%
Method
HPLC-MS
Lot
PH-4220
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HPLC-UV chromatogram

Independent lab

Third-party US laboratory, every lot.

HPLC-MS

Purity by chromatography, identity by mass.

Archived

Certificates retained and retrievable by lot.