Research Profiles

The Peptide Library

Clear, honest profiles of the most discussed research peptides.

See the 2026 Peptide Legal Status Tracker

BPC-157

The Healer

Animal Research

The peptide everyone talks about first — studied in animals for tissue repair, gut health, and recovery.

Learn More

TB-500

The Rebuilder

Animal Research

Researched alongside BPC-157 for cell migration, flexibility, and wound recovery — often the other half of the recovery duo.

Learn More

GHK-Cu

The Renewer

Established Research

A copper peptide discovered in 1973 and now a celebrated skin and wound-healing ingredient.

Learn More

GHK

The Original Signal

Growing Human Research

The copper-free parent molecule studied for skin regeneration and tissue-repair signaling.

Learn More

Thymosin Beta-4

The Source

Growing Human Research

The naturally occurring peptide TB-500 is derived from — researched for repair, flexibility, and inflammation.

Learn More

Pentadeca Arginate (PDA)

The Builder

Animal Research

A newer BPC-157 relative explored for healing and recovery with a focus on improved stability.

Learn More

KPV

The Soother

Animal Research

A small peptide studied for calming inflammation, especially in the gut and skin.

Learn More

LL-37

The Defender

Animal Research

An immune peptide researched for its antimicrobial and wound-defense roles — powerful but still early-stage.

Learn More

Ipamorelin

The Gentle Signal

Growing Human Research

A growth hormone secretagogue studied for its selective, measured action.

Learn More

CJC-1295

The Amplifier

Growing Human Research

Investigated for its ability to extend growth hormone-releasing signals — often paired with Ipamorelin.

Learn More

Tesamorelin

The Targeted One

Established Research

One of the few peptides with FDA approval — specifically studied for reducing visceral fat.

Learn More

Sermorelin

The Restarter

Established Research

An older growth hormone-releasing peptide studied for naturally nudging the body's own production.

Learn More

Follistatin

The Rare One

Animal Research

A rarely seen protein researched for its role in muscle growth by blocking myostatin.

Learn More

CagriSema

The Appetite Regulator

Established Research

A combination therapy studied for appetite and metabolic effects in weight research.

Learn More

Hexarelin

The Heavy Hitter

Animal Research

One of the most potent growth hormone secretagogues, with research also pointing to heart-tissue effects.

Learn More

Tirzepatide

The Game Changer

Established Research

A dual-action peptide behind some of the biggest results in modern metabolic and weight research.

Learn More

Retatrutide

The Triple Agonist

Growing Human Research

An investigational triple receptor agonist (GLP-1/GIP/glucagon) linked to ~24% weight loss in Phase 2 research.

Learn More

PT-141 (Bremelanotide)

The Spark

Growing Human Research

An FDA-approved peptide that works differently from most — studied for libido and arousal.

Learn More

Semax

The Focus Molecule

Growing Human Research

Researched in cognitive contexts for attention, memory, and neuroprotection.

Learn More

Selank

The Calm Switch

Animal Research

Often paired with Semax, studied for its anti-anxiety effects without the sedation typical of anti-anxiety meds.

Learn More

Dihexa

The Synapse Builder

Animal Research

Studied for forming new connections in the brain, with research into memory and learning.

Learn More

Cerebrolysin

The Neuro Support

Growing Human Research

A peptide mix used clinically in some countries and researched for recovery and cognition.

Learn More

P21

The Brain Builder

Animal Research

Studied for memory formation and supporting the growth of new brain cells.

Learn More

Noopept

The Day One

Animal Research

One of the most studied nootropics — researched for memory, learning, and a sense of mental clarity.

Learn More

DSIP

The Night Signal

Animal Research

Short for Delta Sleep-Inducing Peptide — researched for its role in deep, restorative sleep.

Learn More

Epitalon

The Clock Keeper

Growing Human Research

Studied in longevity research for its proposed effects on telomeres and aging.

Learn More

Foxo4-DRI

The Senolytic

Animal Research

Researched for clearing out aged, damaged cells — a fascinating but still very early-stage idea.

Learn More

SS-31 (Elamipretide)

The Mitochondrial Fix

Growing Human Research

Studied for targeting and protecting mitochondria — the power plants inside your cells.

Learn More

MOTS-c

The Metabolic Switch

Growing Human Research

A mitochondrial-derived peptide studied for metabolism and energy regulation.

Learn More

Humanin

The Survivor

Animal Research

A mitochondrial peptide researched for cell survival and protective effects across aging.

Learn More

NAD+

The Energy Currency

Established Research

A coenzyme central to energy and repair — widely researched in the science of aging.

Learn More

Glutathione

The Master Antioxidant

Established Research

The body's primary antioxidant — researched for detox, immune support, and cellular protection.

Learn More

New peptides added regularly.

Subscribe to be notified when we publish new profiles.

Enter your email to get instant access. No spam. Unsubscribe anytime.