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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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Vascular Health

Peripheral Artery
Disease

When blood vessels narrow and your legs don't get enough oxygen, you're facing a critical problem: claudication that limits movement, wounds that won't heal, and the real risk of limb loss. But there's another way forward - rebuilding your blood supply at the cellular level.

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

The Problem

Your Vessels Are Blocked
And Collaterals Aren't Forming

Claudication

Leg pain during walking that stops with rest

Poor Wound Healing

Cuts and ulcers that refuse to heal

Tissue Damage

Necrosis and infection risk from inadequate blood flow

Understanding Vascular Disease

When Blood Vessels Clog: The Domino Effect

Your arteries are like highways delivering oxygen-rich blood to tissues throughout your body. In peripheral artery disease (PAD), these highways get blocked by atherosclerotic plaques - buildup of cholesterol, calcium, and inflammatory material. When major arteries narrow, blood flow drops and tissues start starving for oxygen. Your legs hurt when you walk. Wounds stop healing. If the blockage is severe enough or affects multiple vessels, you face real danger of losing limbs. Here's what's critical: Your body actually has a brilliant backup system. When blood flow is compromised, it's supposed to grow new vessels - angiogenesis and arteriogenesis. But for many PAD patients, this natural healing process stalls out. The signals aren't getting through. The growth factors aren't being produced.

"Your body has the blueprint for new blood vessels - it just needs the right signals."

That's where peptide therapy comes in. These molecules essentially shout 'GROW MORE VESSELS' to your endothelial cells and smooth muscle cells, kickstarting the collateral circulation your body should have built but didn't. Instead of waiting for amputation or invasive surgery, you're helping your own tissue rebuild itself.

The Solutions

4 Peptides
4 Angles of Attack

1991

BPC-157

The Vessel Builder

A 15-amino acid peptide derived from gastric juice that has demonstrated remarkable angiogenic and tissue-healing properties in research models.

Role

Construction foreman organizing workers to build new roads

1981

Thymosin Beta-4

The Vessel Stabilizer

A naturally occurring 43-amino acid peptide that regulates actin molecules and has powerful effects on angiogenesis and tissue repair.

Role

Molecular foreman organizing the structural elements of new vessels

1989

VEGF Peptide Fragments

The Angiogenesis Accelerator

Peptide fragments or analogs of Vascular Endothelial Growth Factor, the primary signaling molecule that drives new vessel formation in response to ischemia.

Role

Emergency signal flares calling for construction crews to arrive immediately

Learn more

1985

FGF Peptides

The Vessel Maturation Specialist

Fibroblast Growth Factor peptides (particularly FGF-2 and FGF-4) that drive angiogenesis while promoting vessel maturation and stability.

Role

Specialist workers who arrive after initial construction to finish and strengthen new vessels

Learn more

The Strategy

How They Work Together
Together

PeptidePrimary RoleAnalogy
BPC-157

The Vessel Builder

Construction foreman organizing workers to build new roads

Thymosin Beta-4

The Vessel Stabilizer

Molecular foreman organizing the structural elements of new vessels

VEGF Peptide Fragments

The Angiogenesis Accelerator

Emergency signal flares calling for construction crews to arrive immediately

FGF Peptides

The Vessel Maturation Specialist

Specialist workers who arrive after initial construction to finish and strengthen new vessels

4 Angles of Attack

Initial Stimulus

BPC-157 provides broad angiogenic stimulus and protective effects while upregulating natural growth factors

Growth Acceleration

VEGF fragments deliver potent pro-angiogenic signaling that recruits endothelial cells and drives proliferation

Vessel Stabilization

Thymosin Beta-4 and FGF peptides ensure smooth muscle organization and structural maturation

Durability

Together they create vessels that persist and function, not transient capillaries that regress

Important Considerations

Reality Check
What to Keep in Mind

Not a Replacement for Standard Care

Peptides support angiogenesis but don't replace blood pressure control, lipid management, diabetes care, or antiplatelet therapy. Work with your cardiologist and vascular specialist on comprehensive PAD management.

Evidence Level: Preclinical

BPC-157 and FGF peptides show robust angiogenic effects in animal models. Human clinical data is limited. VEGF and thymosin beta-4 have stronger human evidence. Individual results vary significantly based on starting severity.

Thrombosis Risk

Aggressive angiogenesis in thrombotic-prone PAD patients requires careful monitoring. Ensure adequate antiplatelet therapy and consider anticoagulation assessment with your doctor.

Professional Guidance Essential

Work with a vascular specialist and a practitioner experienced with peptides. Proper monitoring with ultrasound or angiography, appropriate dosing, and integration with standard PAD therapy are critical.

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

Peptides are arriving at endothelial cells and binding to their receptors. Signaling cascades are starting. The growth factor production is being upregulated. No dramatic changes yet - you're sending the construction orders.

What You Might Notice

  • Possibly minimal subjective changes initially
  • Some report slightly improved warm/cold sensation in feet (blood flow improving)
  • Claudication distance might improve slightly
  • Sleep quality may improve from reduced pain

Watch For

Don't expect dramatic improvements yet. You're building infrastructure.

Realistic Expectations

This is groundwork phase. Patience is essential.

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

  • Option A: 250 mcg subcutaneous injection once daily
  • Option B: 500 mcg subcutaneous injection once daily for more severe disease
  • Option C: 250 mcg twice daily for accelerated angiogenesis protocol

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 Vessel Builder250-500 mcg per doseCan be taken at any time, though morning dosing is often preferred
Thymosin Beta-4
The Vessel Stabilizer2-5 mg per weekConsistency matters more than specific time of day
VEGF Peptide Fragments
The Angiogenesis Accelerator1-5 mcg per injectionTwice-weekly dosing is common for VEGF protocols
FGF Peptides
The Vessel Maturation Specialist10-100 mcg per injectionTwice-weekly to three-times-weekly dosing is standard

Early Wins to Watch

  • Improved claudication distance
  • Reduced resting leg pain
  • Better foot temperature and color
  • Faster wound healing

Support Stack

L-arginine / L-citrullineNattokinaseVitamin CVitamin ECoenzyme Q10PycnogenolResveratrol

Lifestyle Priorities

  • Progressive walking program
  • Cardiovascular risk factor management
  • Anti-inflammatory nutrition
  • Smoking cessation (if applicable)
  • Blood pressure and lipid control

Peripheral artery disease has traditionally meant facing amputation or accepting severe mobility limitations. But your vessels have remarkable capacity to regenerate when given the right signals. These peptides provide those signals, while movement, nutrition, and cardiovascular optimization create the environment for lasting improvement. Recovery isn't guaranteed - severe disease may have limited reversibility. But even modest improvements in blood flow can mean the difference between keeping your leg and losing it.

Work with your vascular team. Stay committed to the movement protocol. Give your body time to build new highways. Many patients report transformative improvements in walking ability and quality of life.