Free shipping over $200Xpresspost 1–2 business daysOrders before 5 PM ET ship the same dayDouble-verified COAs — 99%+ purity Free shipping over $200Xpresspost 1–2 business daysOrders before 5 PM ET ship the same dayDouble-verified COAs — 99%+ purity

Testing & Certificates of Analysis

Trust, then verify. Every batch is tested by Janoshik and independently re-tested as a third party for double-verified purity. Look up your batch below.

Verify a batch number

Your batch number is printed on the vial label. Try PP-B157-2451.

Double-Verified

Each batch is tested by Janoshik, then re-tested independently by Janoshik as a third party — two COAs, one standard.

HPLC + MS

Purity confirmed by High-Performance Liquid Chromatography and identity confirmed by Mass Spectrometry.

Matched Batches

The batch number on your vial matches its certificate exactly, so you always know what you received.

Recent certificates

BPC-157 · PP-B157-2451
HPLC 99.4% · MS confirmed · 2026-07-14
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TB-500 · PP-TB500-1180
HPLC 99.2% · MS confirmed · 2026-07-11
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MOTS-C · PP-MOTSC-0902
HPLC 99.5% · MS confirmed · 2026-07-08
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Retatrutide · PP-RETA-0455
HPLC 99.1% · MS confirmed · 2026-07-03
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