The Trusted Peptide Wiki
Peptidepedia compiles and maintains peptide information from peer-reviewed research, clinical trials, and verified laboratory data. Every article is reviewed by clinical pharmacists.
Notable Peptides
BPC-157
BPC-157 is a synthetic peptide derived from stomach juice that may accelerate healing. Learn about uses, dosage protocols, side effects, legal status, and research evidence.
GHK-Cu
GHK-Cu is a naturally occurring copper peptide that may accelerate wound healing, rejuvenate skin, and modulate gene expression. Learn about uses, dosage protocols, side effects, legal status, and research evidence.
Retatrutide
Retatrutide is a triple receptor agonist (GLP-1, GIP, and glucagon) producing up to 28.7% weight loss in clinical trials. Learn about dosage protocols, side effects, research evidence, and legal status.
TB-500
TB-500 is a synthetic peptide mimicking Thymosin Beta-4 that accelerates tissue repair, reduces inflammation, and enhances flexibility. Learn about uses, dosage protocols, side effects, legal status, and research evidence.
CJC-1295
CJC-1295 is a synthetic growth hormone-releasing hormone analog that stimulates the pituitary to produce GH and IGF-1. Learn about uses, dosage protocols, side effects, legal status, and research evidence.
Ipamorelin
Ipamorelin: Selective GH secretagogue for enhanced body composition, recovery, and anti-aging. Doses 200-300mcg 1-3x daily. Minimal side effects, safe & well-tolerated.
Melanotan II
Melanotan II is a synthetic peptide analog of alpha-MSH that promotes skin tanning, enhances libido, and suppresses appetite. Learn about dosing protocols, side effects, legal status, and research evidence.
Semaglutide
Semaglutide is a GLP-1 receptor agonist approved for diabetes and weight management. Learn about uses, dosage protocols, side effects, legal status, and clinical evidence.
SS-31 (Elamipretide)
SS-31 (Elamipretide) targets mitochondria to boost cellular energy and reduce oxidative stress. Dosing ranges from 4–40 mg daily via injection, showing improvements in exercise, cardiac function, and muscle strength within weeks.
Tesamorelin
Tesamorelin: Reduce visceral fat with this GHRH analog. Stimulates natural GH release for improved body composition and metabolic markers. FDA-approved for HIV-associated lipodystrophy.
Thymosin Alpha 1
Thymosin Alpha 1 is a synthetic peptide that enhances immune function, used for viral infections, immune deficiencies, and cancer. Benefits include improved T-cell function, reduced inflammation, and faster recovery.
Tirzepatide
Tirzepatide is an FDA-approved dual GIP/GLP-1 receptor agonist for type 2 diabetes and weight loss. Learn about uses, dosage protocols, side effects, clinical trial data, and more.
Peptide Science
How to Safely Source Peptides: Avoiding Scams and Poor Quality
Learn how to safely source research peptides by verifying Certificates of Analysis, recognizing red flags, understanding purity metrics, and ensuring proper storage. A complete guide to avoiding scams and low-quality suppliers.
Peptide Certificates of Analysis
Learn how to read and verify a peptide Certificate of Analysis (COA). Covers purity testing, mass spectrometry, contaminant screening, red flags, and verification strategies for research peptides.
Peptide Cycling
Learn when and why to cycle peptides. Understand cycling protocols for growth hormone secretagogues, healing peptides, and metabolic peptides to optimize results and avoid tolerance.
Peptide Legality: FDA Status, Research Use, and What's Legal
Peptides are legally classified based on FDA approval status, compounding rules, and intended use — not molecular structure. Learn what's legal, what's restricted, and what the gray areas mean for you.
Peptide Purity Testing
Learn how to verify peptide purity using HPLC, mass spectrometry, and third-party lab testing. Understand Certificates of Analysis, common impurities, and what purity standards to look for.
Peptide Stacking Guide
Peptide stacking combines two or more peptides in coordinated protocols to achieve synergistic effects for muscle growth, fat loss, recovery, and cognitive enhancement. Learn the most effective stacks, dosing strategies, safety protocols, and monitoring guidelines.
Peptides and Drug Testing: What Shows Up and How Long
This guide covers how peptides interact with drug testing, detection windows for various peptide types, WADA prohibition status, and factors affecting detectability.
Traveling with Peptides
Everything you need to know about traveling with peptides — how to store them safely, navigate TSA security, understand legal status by country, and prepare the right documentation.
What Are Peptides? Complete Beginner's Guide
Learn what peptides are, how they work as cellular messengers, the different types, benefits, administration methods, safety considerations, and regulatory status.