The Journal of Peptide Science

Comprehensive research, safety data, clinical applications, and protocols for 50+ peptides. Evidence-based information for researchers, healthcare professionals, and educated consumers.

📚 Peptides

Comprehensive documentation for 50+ peptides including mechanisms, dosing, safety, and research quality.

50 Peptides • 600+ Pages

🔬 Research Protocols

Detailed protocols for 20 common applications including weight loss, muscle building, recovery, and longevity.

20 Protocols • Complete Dosing Guidelines

💉 Delivery Methods

Understanding injectable, oral, nasal, transdermal, and gummy delivery with bioavailability data.

5 Methods • Comprehensive Guides

🏥 Conditions

Browse peptides by medical condition including tissue repair, inflammation, gut health, and more.

16 Condition Categories

💪 Benefits

Explore peptides by desired benefit including muscle growth, fat loss, recovery, and anti-aging.

15 Benefit Categories

🧮 Calculators

Interactive tools for dosing, stacking, and reconstitution - design custom protocols with automatic calculations.

3 Free Calculators • NEW!

👥 About

Meet our team of world-class researchers and learn about our mission to provide evidence-based peptide information.

5 Expert Researchers

Featured Peptides

Explore our most comprehensive peptide documentation

Semaglutide

GLP-1 agonist for weight loss and diabetes management. 15-17% body weight loss.

FDA Approved

Tirzepatide

Dual GIP/GLP-1 agonist with superior weight loss. 20-21% body weight loss.

FDA Approved

BPC-157

Tissue repair and gut healing peptide. Popular for injury recovery.

Research Only

TB-500

Thymosin beta-4 derivative for tissue repair and inflammation reduction.

Research Only

CJC-1295

GHRH analog for growth hormone enhancement and anti-aging.

Research Only

Ipamorelin

Selective GHRP for growth hormone release with minimal side effects.

Research Only

GHK-Cu

Copper peptide for skin rejuvenation, wound healing, and anti-aging.

Research Only

Semax

Russian nootropic peptide for cognitive enhancement and neuroprotection.

Research Only

Selank

Anxiolytic peptide for anxiety reduction and mood stabilization.

Research Only

PT-141 (Bremelanotide)

Melanocortin agonist for sexual dysfunction. FDA-approved for female HSDD.

FDA Approved

Melanotan II

Tanning peptide with sexual enhancement effects. Not FDA-approved.

Illegal/Unsafe

Tesamorelin

GHRH analog for visceral fat reduction. FDA-approved for HIV lipodystrophy.

FDA Approved

Why The Journal of Peptide Science?

🔬 Evidence-Based

All information backed by clinical trials, research studies, and regulatory data. We cite sources and assess evidence quality.

📊 Comprehensive

12 pages per peptide covering mechanisms, dosing, safety, history, chemistry, and research quality. No superficial overviews.

⚠️ Safety-Focused

Clear warnings about FDA approval status, WADA prohibitions, side effects, and contraindications. Honest about risks.

🎯 Practical

Detailed protocols with dosing schedules, administration guidelines, monitoring requirements, and expected results.

🔄 Up-to-Date

Regular updates with latest research, FDA warnings, and regulatory changes. Current information you can trust.

👨‍🔬 Expert Team

Content created by PhD researchers and medical professionals with decades of combined experience in peptide science.