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KLOW is Prime Time Bio Labs' four-peptide research blend — GHK-Cu, BPC-157, TB-500, and KPV — supplied as a lyophilized powder in a single vial. It expands on the brand's GLOW blend by adding KPV. Each of the four listed components has been studied individually in laboratory and preclinical research; the combined formulation itself has not been independently studied. Every batch ships with a lot-matched Certificate of Analysis from third-party HPLC and mass spectrometry testing. Research use only — not for human or animal use.

GLOW is Prime Time Bio Labs' three-component research peptide blend — GHK-Cu, BPC-157, and TB-500 — supplied as a single-use lyophilized vial with a lot-specific Certificate of Analysis. For laboratory research use only; not for human or animal use.

AHK-Cu peptide is a copper-binding tripeptide — the copper(II) complex of L-alanyl-L-histidyl-L-lysine, also known as Copper Tripeptide-3 — structurally related to GHK-Cu. AHKCU is supplied as a research material with third-party HPLC and mass spectrometry testing, for laboratory research use only.

GHKCU is Prime Time Bio Labs' copper-associated form of the Gly-His-Lys (GHK) tripeptide, supplied as a lyophilized powder for laboratory research. Each batch ships with a lot-matched Certificate of Analysis from third-party HPLC and mass spectrometry testing. For laboratory research use only — not for human or animal use.