Research Database
89 of 89 peptides • 89 PubMed-linked evidence records
5 Amino 1 MQ
Metabolic
t½
Not well characterized in humans
ACTH
Nootropic & Neuropeptide
t½
Native ACTH only minutes in plasma; depot formulations act longer
Adamax
Nootropic & Neuropeptide
t½
Not well characterized
AOD-9604
Metabolic
t½
~30 minutes
ARA-290
Immune Modulation
t½
~11 minutes
Bonomarlot
Bioregulator Peptide
t½
Not well characterized
Bonothyrk
Bioregulator Peptide
t½
Not well characterized
BPC-157
Healing & Recovery
t½
4-6 hours
Bronchogen
Bioregulator Peptide
t½
Not well characterized
Cagrilintide
Metabolic
t½
Long-acting; approximately 1 week supports once-weekly dosing
Calcitonin
Metabolic
t½
Approximately 10-60 minutes depending on route/formulation
Cardiogen
Bioregulator Peptide
t½
Not well characterized
Cartalax
Bioregulator Peptide
t½
Short (tripeptide)
Cerebrolysin
Bioregulator Peptide
t½
Complex mixture; single half-life not well defined
Cerluten
Bioregulator Peptide
t½
Not well characterized
Chonluten
Bioregulator Peptide
t½
Not well characterized
CJC without DAC (MOD-GRF)
Growth Hormone Secretagogue
t½
Approximately 30 minutes
CJC-1295 DAC
Growth Hormone Secretagogue
t½
6-8 days
Crystagen
Bioregulator Peptide
t½
Not well characterized
DSIP
Nootropic & Neuropeptide
t½
Approximately 7-15 minutes in plasma/in vitro
Endoluten
Bioregulator Peptide
t½
Variable (complex)
Epithalon
Longevity & Mitochondrial
t½
~30 minutes
FOXO4-DRI
Longevity & Mitochondrial
t½
Not well characterized in humans
GHK Base
Cosmetic & Dermal
t½
Short peptide; exact human half-life not well characterized
GHK-Cu
Cosmetic & Dermal
t½
Topical kinetics undefined
GHRP-2
Growth Hormone Secretagogue
t½
~1.5 hours
GHRP-6
Growth Hormone Secretagogue
t½
~2 hours
Glandokort
Bioregulator Peptide
t½
Not well characterized
Glutathione
Immune Modulation
t½
Short systemic half-life; route-dependent
Gotratix
Bioregulator Peptide
t½
Not well characterized
Hexarelin
Growth Hormone Secretagogue
t½
Approximately 60-90 minutes
Humanin
Longevity & Mitochondrial
t½
Approximately 30 minutes in mice; longer in some species
IGF-1
Growth Factor
t½
Native free IGF-1 is short; protein-bound exposure is longer
IGF-1 LR3
Growth Factor
t½
~20-30 hours
Ipamorelin
Growth Hormone Secretagogue
t½
~2 hours
Kisspeptin-10
Reproductive
t½
~28 minutes
KPV
Immune Modulation
t½
Often cited around 1-2 hours, but robust human PK data are limited
L-Carnitine
Metabolic
t½
Roughly 17 hours orally, though tissue kinetics are longer
Libidon
Bioregulator Peptide
t½
Not well characterized
Lipo B
Metabolic
t½
Formula-dependent
Lipo C
Metabolic
t½
Formula-dependent
Liraglutide
Metabolic
t½
Approximately 13 hours
Livagen
Bioregulator Peptide
t½
Not well characterized
LL-37
Immune Modulation
t½
~30 minutes (plasma)
Mazdutide
Metabolic
t½
Long-acting; roughly supports once-weekly dosing
Melanotan I
Melanocortin
t½
~30 minutes
Melanotan II
Melanocortin
t½
~1 hour
MK-677
Growth Hormone Secretagogue
t½
Approximately 24 hours
MOTS-C
Longevity & Mitochondrial
t½
~4 hours (estimated)
NAD+
Longevity & Mitochondrial
t½
Route-dependent and not simply summarized by a single plasma value
Noopept
Nootropic & Neuropeptide
t½
~5 minutes (active metabolite cycloprolylglycine longer)
Normoftal
Bioregulator Peptide
t½
Not well characterized
Ovagen
Bioregulator Peptide
t½
Short (tripeptide)
Oxytocin
Nootropic & Neuropeptide
t½
Approximately 3-5 minutes in plasma
P-21
Nootropic & Neuropeptide
t½
Not well characterized
Pancragen
Bioregulator Peptide
t½
Variable (complex)
PE-22-28
Nootropic & Neuropeptide
t½
Not well characterized
PEG-MGF
Growth Factor
t½
Several hours (extended by PEGylation)
Pielotax
Bioregulator Peptide
t½
Not well characterized
Pinealon
Bioregulator Peptide
t½
Short (tripeptide)
PT-141
Melanocortin
t½
~2.7 hours
Retatrutide
Metabolic
t½
~6 days
Retinalamin
Bioregulator Peptide
t½
Variable (complex)
Selank
Nootropic & Neuropeptide
t½
Minutes (plasma); extended CNS activity
Semaglutide
Metabolic
t½
Approximately 7 days
Semax
Nootropic & Neuropeptide
t½
Short; often cited in minutes with longer pharmacodynamic effects
Sermorelin
Growth Hormone Secretagogue
t½
Approximately 10-20 minutes
Servodutide
Metabolic
t½
Long-acting; supports once-weekly dosing
Sigumir
Bioregulator Peptide
t½
Variable (complex)
SS-31
Longevity & Mitochondrial
t½
~4 hours
Svetinorm
Bioregulator Peptide
t½
Not well characterized
TB-500
Healing & Recovery
t½
~3 days
Tesamorelin
Growth Hormone Secretagogue
t½
26-38 minutes
Tesofensine
Metabolic
t½
Long; often cited around 9 days for active moieties
Testagen
Bioregulator Peptide
t½
Variable (complex)
Testoluten
Bioregulator Peptide
t½
Not well characterized
Thymalin
Bioregulator Peptide
t½
Complex mixture; not well characterized
Thymogen
Bioregulator Peptide
t½
Short (dipeptide)
Thymosin Alpha-1
Immune Modulation
t½
~2 hours
Thyreogen
Bioregulator Peptide
t½
Not well characterized
Tirzepatide
Metabolic
t½
~5 days
Triptorelin
Reproductive
t½
Hours for short-acting drug; depot exposure persists weeks to months
Ventfort
Bioregulator Peptide
t½
Not well characterized
Vesilut
Bioregulator Peptide
t½
Not well characterized
Vesugen
Bioregulator Peptide
t½
Short (tripeptide)
Vilon
Bioregulator Peptide
t½
Short (dipeptide)
VIP
Immune Modulation
t½
Very short in circulation, often only minutes
Vlandonix
Bioregulator Peptide
t½
Not well characterized
Zhenoluten
Bioregulator Peptide
t½
Not well characterized