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Peptide Database

Goals
Fat LossMuscle BuildingInjury HealingAnti-AgingCognitive EnhancementSleep OptimizationImmune SupportGut HealingSkin RejuvenationSexual Health
Peptides
5-Amino-1MQ
Weight Management
Abarelix
Hormone Support
Acetyl Hexapeptide-3 (Argireline)
Cosmetic
Adipotide
Weight Management
Adrenomedullin
Healing & Recovery
Alexamorelin
Growth Hormone
Angiotensin (1-7)
Healing & Recovery
AOD-9604
Weight Management
Apelin-13
Healing & Recovery
ARA-290 (Cibinetide)
Healing & Recovery
Bestatin (Ubenimex)
Immune
BPC-157
Healing & Recovery
Buserelin
Hormone Support
Cagrilintide
Weight Management
CagriSema
Weight Management
Capromorelin
Growth Hormone
Cartalax
Anti-Aging
Cathelicidin (hCAP-18 / Synthetic Derivatives)
Immune
Cerebrolysin
Cognitive
Cerluten
Cognitive
Cetrorelix
Hormone Support
Chonluten
Immune
CJC-1295 (No DAC)
Growth Hormone
CJC-1295 with DAC
Growth Hormone
Cortexin
Cognitive
Crystagen
Immune
Daptomycin
Immune
Defensin (HBD-2)
Immune
Defensin (HBD-3)
Immune
Degarelix
Hormone Support
Dihexa
Cognitive
DSIP (Delta Sleep-Inducing Peptide)
Sleep & Recovery
Dulaglutide
Weight Management
Enalapril
Healing & Recovery
Epithalon
Anti-Aging
Exenatide
Weight Management
Fertirelin
Hormone Support
FOXO4-DRI
Anti-Aging
Ganirelix
Hormone Support
GHK-Cu (Copper Peptide)
Cosmetic
GHRH (1-29)
Growth Hormone
GHRP-2
Growth Hormone
GHRP-6 (Growth Hormone Releasing Peptide-6)
Growth Hormone
Glutathione
Anti-Aging
Gonadorelin (GnRH)
Hormone Support
Gramicidin
Immune
Hexarelin
Growth Hormone
Human Chorionic Gonadotropin (HCG)
Hormone Support
Human Growth Hormone (HGH)
Growth Hormone
IGF-1 LR3
Growth Hormone
Immunoxel (Dzherelo)
Immune
Imunofan
Immune
Intermedin (Adrenomedullin-2)
Healing & Recovery
Ipamorelin
Growth Hormone
Kisspeptin-10
Sexual Health
KPV (Alpha-MSH Fragment)
Healing & Recovery
Lactoferricin B
Immune
Larazotide
Healing & Recovery
Lentinan
Immune
Leuphasyl
Cosmetic
Leuprolide
Hormone Support
Liraglutide
Weight Management
Livagen
Anti-Aging
Lixisenatide
Weight Management
LL-37
Immune
Macimorelin
Growth Hormone
Magainin-2
Immune
Mazdutide
Weight Management
Melanotan-2
Cosmetic
MK-677 (Ibutamoren)
Growth Hormone
MOTS-c
Metabolic
Myristoyl Pentapeptide-17
Cosmetic
N-Acetyl Selank
Cognitive
N-Acetyl Semax Amidate
Cognitive
NAD+
Mitochondrial
Nafarelin
Hormone Support
Natriuretic Peptide (ANP)
Healing & Recovery
Nesiritide (BNP)
Healing & Recovery
Nisin
Immune
Noopept (Omberacetam)
Cognitive
Orforglipron
Weight Management
Ovagen
Anti-Aging
Oxytocin Acetate
Hormone Support
P21 (P021)
Cognitive
PACAP-38
Healing & Recovery
Palmitoyl Oligopeptide
Cosmetic
Palmitoyl Pentapeptide-4 (Matrixyl)
Cosmetic
Palmitoyl Tetrapeptide-7
Cosmetic
Palmitoyl Tripeptide-1
Cosmetic
Pancragen
Metabolic
PEG-MGF
Healing & Recovery
Pemvidutide
Weight Management
Pentadecapeptide (BPC Analog)
Healing & Recovery
Pidotimod
Immune
Pinealon
Cognitive
PNC-27
Immune
Polymyxin B
Immune
Pralmorelin (GHRP-2)
Growth Hormone
Pramlintide
Weight Management
Prostamax
Hormone Support
PT-141 (Bremelanotide)
Sexual Health
Relaxin-2 (Serelaxin)
Healing & Recovery
Retatrutide
Weight Management
Selank
Cognitive
Semaglutide
Weight Management
Semax
Cognitive
Sermorelin
Growth Hormone
Setmelanotide
Weight Management
SLU-PP-332
Metabolic
SM-130686
Growth Hormone
Snap-8
Cosmetic
SS-31 (Elamipretide)
Mitochondrial
Substance P Antagonists
Healing & Recovery
Survodutide
Weight Management
SYN-AKE
Cosmetic
Tabimorelin
Growth Hormone
TB-500
Healing & Recovery
Tesamorelin
Growth Hormone
Testagen
Hormone Support
Thymalin
Immune
Thymopentin (TP-5)
Immune
Thymopoietin
Immune
Thymosin Alpha-1
Immune
Thymosin Beta-4
Healing & Recovery
Thymulin (FTS)
Immune
Thymulin Analog (PAT)
Healing & Recovery
Tirzepatide
Weight Management
Tripeptide-29
Cosmetic
Triptorelin
Hormone Support
Ularitide
Healing & Recovery
Urocortin
Healing & Recovery
Ventfort
Anti-Aging
Vesilute
Hormone Support
Vilon
Immune
VIP (Vasoactive Intestinal Peptide)
Healing & Recovery
Xenin-25
Metabolic
Ziconotide (Prialt)
Healing & Recovery
Total Peptides: 137
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Condition Spotlight

Osteoarthritis
Joint Degeneration

Osteoarthritis isn't just about joint pain and stiffness - it's progressive cartilage breakdown that limits mobility and erodes quality of life. Over 500 million people globally face this devastating condition, and conventional treatments barely slow the damage. That's where regenerative peptides come in.

Written by Michael Carroll — Owner, Director of Research · Reviewed by the Peptide Initiative Research Team · Editorial standards

The Problem

Your Joints Are
Literally Falling Apart

Joint Pain

Worsens with movement, improves with rest

Stiffness

Especially in morning or after inactivity

Limited Mobility

Range of motion decreases over time

Understanding Cartilage Breakdown

How Osteoarthritis Destroys Joints

Your joints are engineering marvels - smooth cartilage covers bone surfaces, allowing nearly frictionless movement. This cartilage is made of specialized cells called chondrocytes that continuously maintain the extracellular matrix - the structural scaffold that gives cartilage its strength and flexibility. In osteoarthritis, this system breaks down. Inflammatory molecules trigger excessive breakdown of cartilage without enough new tissue being built to replace it. The synovial fluid - your joint's natural lubricant - becomes inflamed and loses its protective properties. Bone surfaces start grinding directly against each other, creating pain, inflammation, and accelerated degeneration. Once cartilage is gone, it doesn't naturally regrow. This is why early intervention matters so much.

"Unlike bone, cartilage has no blood supply - it can't repair itself without help."

The standard approach is pain management while joints deteriorate, often ending in joint replacement surgery. But peptide therapy offers something different: the potential to stimulate actual cartilage regeneration, reduce inflammation, and restore joint function through direct biological repair mechanisms.

The Solutions

5 Peptides
5 Angles of Attack

1991

BPC-157

The Tissue Regenerator

A 15-amino acid peptide fragment originally isolated from gastric juice, discovered to have profound healing effects on multiple tissue types including cartilage.

Role

Construction crew rebuilding damaged infrastructure

1970s

Collagen Peptides

The Structural Building Blocks

Hydrolyzed collagen derived from bovine or marine sources, providing the amino acid profile that specifically supports cartilage and connective tissue synthesis.

Role

Delivering raw materials to construction sites

Learn more

1981

TB-500

The Regeneration Amplifier

A synthetic fragment of thymosin beta-4, a naturally occurring peptide that regulates cell migration, differentiation, and tissue repair across multiple tissue types.

Role

Master orchestrator coordinating the entire repair process

1967, FDA approval 1996

Pentosan Polysulfate

The Cartilage Protector

A semi-synthetic polysaccharide derived from wood hemicellulose, clinically used for decades to slow cartilage degradation and improve joint function.

Role

Protective coating preventing further erosion

Learn more

1957

IGF-1 / IGF-1 LR3

The Growth Signal Amplifier

A powerful growth hormone that directly stimulates chondrocyte activity, collagen synthesis, and cartilage matrix production. Typically given as local joint injection rather than systemic administration.

Role

Growth hormone specifically targeting cartilage cells

Learn more

The Strategy

How They Work Together
Together

PeptidePrimary RoleAnalogy
BPC-157

The Tissue Regenerator

Construction crew rebuilding damaged infrastructure

Collagen Peptides

The Structural Building Blocks

Delivering raw materials to construction sites

TB-500

The Regeneration Amplifier

Master orchestrator coordinating the entire repair process

Pentosan Polysulfate

The Cartilage Protector

Protective coating preventing further erosion

IGF-1 / IGF-1 LR3

The Growth Signal Amplifier

Growth hormone specifically targeting cartilage cells

5 Angles of Attack

Protect from Breakdown

Pentosan polysulfate and collagen peptides create a protective environment by inhibiting destructive enzymes and reducing inflammation

Stimulate Regeneration

BPC-157 and IGF-1 directly signal chondrocytes to synthesize new cartilage matrix and repair damaged tissue

Supply Building Materials

Collagen peptides provide the amino acid foundation for new cartilage synthesis

Amplify Repair Signals

TB-500 orchestrates the entire repair process, promoting cell migration, angiogenesis, and tissue regeneration

Important Considerations

Reality Check
What to Keep in Mind

Not a Magic Bullet

These peptides support cartilage regeneration but work best with overall joint health strategies - proper movement, nutrition, and weight management all matter.

Research is Growing

While promising clinical data exists, some of this research is still emerging. Individual results vary significantly based on degree of cartilage damage, age, and overall health.

Professional Guidance

Work with a healthcare provider experienced in regenerative medicine and peptide therapy. IGF-1 especially requires medical supervision for intra-articular injection.

Time Matters

Early intervention is more effective than late-stage osteoarthritis with bone-on-bone degeneration. Starting treatment before advanced damage is crucial.

This information is for educational purposes only and should not be considered medical advice. Always consult with a qualified healthcare provider before starting any new treatment.

Realistic Expectations

What to Expect: A Realistic Timeline

An honest breakdown based on research and clinical reports.

What's Happening Inside

The peptides are initiating repair signals and inflammation is beginning to decrease. Synovial fluid composition is starting to improve. Growth factors are upregulating throughout the joint.

What You Might Notice

  • Possibly subtle improvements in morning stiffness
  • Joint pain might decrease slightly
  • Some reduction in inflammation-related swelling
  • Improved joint mobility if swelling was significant

Watch For

Some people experience a transient increase in pain as inflammation is triggered and cleared - a 'clearing reaction'. This typically resolves within 3-5 days.

Realistic Expectations

Don't expect dramatic improvement yet. You're laying the foundation.

Administration Guide

Dosing Protocols & Timing

General guidelines based on research literature and clinical reports. Work with a healthcare provider experienced in peptide therapy to customize for your situation.

Important: These are general guidelines. Don't self-prescribe based on internet articles. Work with a qualified healthcare provider.

BPC-157

250-500 mcg per dose

Common Protocols

  • Conservative: 250 mcg subcutaneous or intramuscular injection daily
  • Standard: 250-500 mcg daily
  • Higher dose: Some practitioners use up to 500 mcg twice daily for severely damaged joints

Timing Considerations

  • Can be taken at any time, though morning dosing is often preferred
  • Oral BPC-157 is available and may be preferred by some (250-500 mcg daily)
  • Consistency of dosing more important than specific timing
  • Some evidence suggests taking with meals may improve absorption for oral form

Cycling

Often cycled 8-12 weeks on, 4 weeks off due to preclinical status. Some practitioners use continuous low-dose protocols.

BPC-157 research in fibromyalgia is very limited. Dosing based primarily on other neuropathic conditions. Requires healthcare provider oversight.

Beyond Peptides

Lifestyle Strategies for Living Well

Peptides work best as part of a comprehensive approach. Click each category to explore evidence-based strategies.

At a Glance

Quick Reference Card

Peptide Overview

PeptideWhat It DoesTypical DoseTiming
BPC-157
The Tissue Regenerator250-500 mcg per doseCan be taken at any time, though morning dosing is often preferred
Collagen Peptides
The Structural Building Blocks10-20 grams per dayMorning dose with vitamin C (enhances collagen synthesis)
TB-500
The Regeneration Amplifier2-5 mg per weekConsistent timing helps maintain steady state - same days/times each week
Pentosan Polysulfate
The Cartilage Protector300-400 mg per monthIntramuscular injections are the standard route
IGF-1 / IGF-1 LR3
The Growth Signal Amplifier50-200 mcg per applicationBest applied to clean, dry scalp

Early Wins to Watch

  • Reduced morning stiffness
  • Decreased daily pain
  • Improved joint mobility
  • Better function with daily activities

Support Stack

Glucosamine sulfateChondroitin sulfateMSMCurcuminBoswellia serrataHyaluronic acidVitamin CVitamin D

Lifestyle Priorities

  • Consistent gentle movement
  • Anti-inflammatory nutrition
  • Adequate protein intake
  • Sleep optimization
  • Weight management if needed
  • Stress reduction

Osteoarthritis has been treated as inevitable - you get the diagnosis and slowly decline toward joint replacement. But regenerative peptide therapy offers something different: the potential to actually repair cartilage damage and restore function. This isn't pain management - it's tissue regeneration. Progress is gradual but real. Many people experience meaningful restoration of function and quality of life.

Start early, commit to the full timeline, and remember: you're rebuilding a tissue that rarely rebuilds itself. That takes time, but it works.