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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

Inflammatory
Bowel Disease

Inflammatory bowel disease is a relentless condition where your own immune system attacks your digestive tract, causing chronic pain, bleeding, malnutrition, and damage that accumulates over years. For millions of patients, conventional treatments eventually stop working. Peptide therapy offers a fundamentally different approach.

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

The Problem

Your Gut Lining Is Supposed
To Protect You, Not Attack You

Chronic Inflammation

Your immune system is in overdrive against your own intestines

Bleeding & Blood Loss

Bloody stools, anemia, and nutrient depletion

Pain & Urgency

Cramping, diarrhea, and urgent bathroom trips

Malnutrition

Damaged intestines can't absorb nutrients properly

Understanding Intestinal Inflammation

When Your Gut's Defense System Goes Wrong

Your intestinal lining is one of the most important barriers in your body. It's supposed to be a selective gate - letting in nutrients while keeping out dangerous substances. The gut lining cells are held together by tight connections called tight junctions. In inflammatory bowel disease, something goes dramatically wrong. Your immune system becomes hyperactive and starts attacking the intestinal lining itself. This breaks down the tight junctions, creating what's called intestinal permeability or 'leaky gut'. Once the barrier is compromised, bacteria and bacterial fragments can slip through into the bloodstream, triggering more inflammation in a vicious cycle. The chronic inflammation damages the intestinal tissue, causing bleeding, preventing nutrient absorption, and eventually scarring that can require surgery. Patients often become dependent on increasingly higher doses of immunosuppressants, which bring their own risks.

"Your gut isn't just processing food - it's the biggest immune organ you have, and when it's inflamed, nothing works right."

Peptide therapy approaches this problem differently. Instead of just suppressing immunity broadly, specific peptides can actually heal the damaged intestinal lining, reduce targeted inflammation, and restore the barrier function your body depends on.

The Solutions

5 Peptides
5 Angles of Attack

1991

BPC-157

The Gut-Healing Pioneer

A 15-amino acid peptide that appears naturally in gastric secretions. It's the most extensively studied peptide for intestinal healing and completed Phase II clinical trials specifically for ulcerative colitis.

Role

Construction crew rebuilding damaged infrastructure

1970s (thymus extract isolation)

Thymosin Alpha-1

The Immune Regulator

A naturally occurring peptide from the thymus gland that fine-tunes immune function. FDA-approved for specific viral conditions, but used clinically for immune dysregulation in IBD.

Role

Turning down the volume on a too-loud speaker

1996

GLP-2 Analogs (Teduglutide)

The Growth Factor Booster

Glucagon-like peptide-2 analogs that activate growth hormone receptors on intestinal cells. Teduglutide (Gattex) is FDA-approved for short bowel syndrome and shows promise in IBD.

Role

Fertilizer for your intestinal cells

Learn more

1990s

Cortistatin

The Anti-Inflammatory Modulator

A natural neuropeptide structurally similar to somatostatin that modulates inflammatory and immune responses specifically in the gastrointestinal tract.

Role

Tuning down inflammatory signals

Learn more

1970

VIP (Vasoactive Intestinal Peptide)

The Gut Regulator

An endogenous neuropeptide that regulates intestinal secretions, blood flow, and immune function. Your body naturally produces it in your gut to maintain homeostasis.

Role

Master control system for gut harmony

The Strategy

How They Work Together
Together

PeptidePrimary RoleAnalogy
BPC-157

The Gut-Healing Pioneer

Construction crew rebuilding damaged infrastructure

Thymosin Alpha-1

The Immune Regulator

Turning down the volume on a too-loud speaker

GLP-2 Analogs (Teduglutide)

The Growth Factor Booster

Fertilizer for your intestinal cells

Cortistatin

The Anti-Inflammatory Modulator

Tuning down inflammatory signals

VIP (Vasoactive Intestinal Peptide)

The Gut Regulator

Master control system for gut harmony

5 Angles of Attack

Direct Tissue Repair

BPC-157 and GLP-2 directly signal intestinal cells to heal, rebuild tight junctions, and regenerate damaged tissue

Immune Rebalancing

Thymosin Alpha-1, Cortistatin, and VIP help your immune system stop attacking your own tissue while maintaining protective immunity

Reduced Inflammation

All peptides contribute to reducing pro-inflammatory cytokines that are actively damaging your intestines

Comprehensive Healing

Together they address the root mechanisms: barrier function, immune dysregulation, inadequate blood flow, and damaged tissue regeneration

Important Considerations

Reality Check
What to Keep in Mind

Not a Replacement for Medical Care

Peptides are powerful, but IBD requires comprehensive medical oversight. Work with a gastroenterologist experienced in IBD. Peptides should complement, not replace, necessary conventional care.

Evidence is Strong but Emerging

BPC-157 completed Phase II for ulcerative colitis with positive results. Other peptides have strong mechanistic rationale and clinical evidence, but more research is ongoing. Individual responses vary.

Work with Experienced Providers

IBD is complex. Work with healthcare providers experienced in both IBD management and peptide therapy. Proper monitoring (labs, endoscopy, symptom tracking) matters.

Medication Adjustments

As you improve, you may be able to reduce conventional medications. This MUST be done under medical supervision, not on your own.

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 establishing signaling pathways. BPC-157 starts accumulating in intestinal tissue. Immune peptides begin modulating T-cell populations. The acute inflammatory cascade is starting to slow.

What You Might Notice

  • Possibly minimal visible changes - this is foundation work
  • Some people report slightly reduced urgency or cramping
  • Stool consistency may begin to normalize
  • Energy might improve slightly as malabsorption begins to reverse

Watch For

Some people experience brief symptom fluctuation as inflammation patterns shift. This is often temporary.

Realistic Expectations

Don't expect dramatic improvements yet. You're building the healing 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

  • Standard: 250 mcg subcutaneous injection once daily
  • Enhanced: 250 mcg twice daily (morning and evening)
  • Intensive: 500 mcg daily in divided doses for acute flares

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 Gut-Healing Pioneer250-500 mcg per doseCan be taken at any time, though morning dosing is often preferred
Thymosin Alpha-1
The Immune Regulator1.6-1.6 mg twice weeklyCan be administered any time of day
GLP-2 Analogs (Teduglutide)
The Growth Factor Booster0.05 mg/kg dailyDaily dosing provides consistent stimulation of adaptation
Cortistatin
The Anti-Inflammatory Modulator1-5 mg dailyMorning and/or evening dosing
VIP (Vasoactive Intestinal Peptide)
The Gut Regulator0.5-2 mcg per injectionVIP naturally peaks in evening, so evening dosing may be physiologically aligned

Early Wins to Watch

  • Reduction in bathroom urgency
  • Less or no blood in stool
  • Reduced cramping and abdominal pain
  • Better food tolerance
  • Improved energy

Support Stack

L-glutamineZinc carnosineCollagen peptidesBone brothOmega-3 fish oilVitamin D3B12High-quality probiotics

Lifestyle Priorities

  • Nutrient-dense eating
  • Stress management
  • Sleep quality
  • Gentle movement
  • Medical monitoring

Living with IBD is genuinely challenging. Between flares, pain, bathroom urgency, and medication side effects, the disease controls too much of your life. Peptide therapy represents a fundamentally different approach - instead of just suppressing your immune system, you're actually helping your body heal the underlying damage. BPC-157's Phase II trial results are genuinely encouraging. Combined with other healing peptides and comprehensive support, many patients achieve remission or near-remission.

Your intestines are remarkably capable of healing when given the right signals. Keep advocating for yourself. Keep working with your medical team. Recovery is possible.