Peptide Database

The Peptide Library

Mechanisms, dosing, half-life and references — for research and education only.

BPC-157

Healing & Recovery

A synthetic pentadecapeptide derived from a gastric protein, studied extensively in animal models for tissue repair.

Half-life ~4 hoursSchedule daily

CJC-1295 (DAC)

GH Secretagogues

A long-acting growth-hormone releasing hormone analog with Drug Affinity Complex extending its half-life.

Half-life ~6–8 daysSchedule weekly

GHK-Cu

Cosmetic & Skin

A naturally occurring copper-binding tripeptide researched for skin remodeling and hair.

Half-life VariableSchedule daily

Ipamorelin

GH Secretagogues

A selective growth-hormone secretagogue and ghrelin receptor agonist with minimal effect on cortisol or prolactin.

Half-life ~2 hoursSchedule daily

Melanotan II

Cosmetic & Skin

A synthetic melanocortin analog researched for pigmentation pathways.

Half-life ~1 hourSchedule daily

MK-677

GH Secretagogues

An orally active, non-peptide ghrelin receptor agonist and GH secretagogue.

Half-life ~24 hoursSchedule daily

PT-141

Nootropic & Other

A melanocortin receptor agonist researched for sexual-response pathways.

Half-life ~2–3 hoursSchedule as-needed

Selank

Nootropic & Other

A synthetic analog of the immunomodulatory peptide tuftsin, researched for anxiolytic effects.

Half-life ~15–30 minutesSchedule daily

Semaglutide

Metabolic

A long-acting GLP-1 receptor agonist studied for glucose regulation and body weight.

Half-life ~7 daysSchedule weekly

Semax

Nootropic & Other

A synthetic ACTH fragment analog researched for cognitive and neuroprotective effects.

Half-life ~20–30 minutesSchedule daily

Sermorelin

GH Secretagogues

A GHRH analog comprising the first 29 amino acids of growth-hormone releasing hormone.

Half-life ~10–20 minutesSchedule daily

TB-500

Healing & Recovery

A synthetic fraction of the protein Thymosin Beta-4, researched for systemic recovery and flexibility.

Half-life Variable (days)Schedule 2x/week

Tesamorelin

Metabolic

A stabilized GHRH analog studied for visceral adipose tissue reduction.

Half-life ~25–40 minutesSchedule daily

Tirzepatide

Metabolic

A dual GIP and GLP-1 receptor agonist researched for metabolic and weight outcomes.

Half-life ~5 daysSchedule weekly

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