Peptide Half-Life Reference Guide

Biological half-life determines how long a peptide remains active in the body and informs dosing frequency in research protocols. Data is sourced from published pharmacokinetic studies.

Common Peptide Half-Lives

BPC-157
~4 hours (SubQ)
TB-500
Unknown, dosed weekly in protocols
Ipamorelin
~2 hours
CJC-1295 (no DAC)
~30 minutes
CJC-1295 (with DAC)
~8 days
GHRP-6
~15–60 minutes
Semaglutide
~7 days
GHK-Cu
~3 hours
Semax
~20 minutes
Epithalon
~Unknown
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Half-life figures sourced from published pharmacokinetic research. For research use only.