The Peptide Index

Evidence-based research guides, protocols, and everything you need to navigate peptide research in 2026

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The Wolverine Stack: BPC-157 + TB-500 Complete Protocol Guide

Complete guide to the Wolverine Stack combining BPC-157 and TB-500 for accelerated injury healing. Dosing protocols, timeline expectations, and trusted sources. ...more

Healing Peptides , Featured

January 10, 20268 min read

The Wolverine Stack: BPC-157 + TB-500 Complete Protocol Guide

CJC-1295/Ipamorelin: Complete Guide to Growth Hormone Optimization

A synergistic peptide combination that stimulates natural growth hormone production through complementary mechanisms. This guide covers the science, protocols, timing strategies, and realistic expecta... ...more

Growth Hormone Secretagogues , Featured

January 09, 202612 min read

CJC-1295/Ipamorelin: Complete Guide to Growth Hormone Optimization

BPC-157: The Complete Guide to the Healing Peptide

A naturally occurring gastric peptide that promotes healing across multiple tissue types. This guide covers the science, protocols, timeline expectations, and safety considerations for BPC-157 researc... ...more

Healing Peptides , Featured

January 09, 202611 min read

BPC-157: The Complete Guide to the Healing Peptide

How to Reconstitute Peptides: Step-by-Step Guide

Learn how to reconstitute peptides step-by-step. Add bacteriostatic water to lyophilized powder, calculate doses, and store properly for research use. ...more

Beginner Guides , Featured

January 09, 20268 min read

How to Reconstitute Peptides: Step-by-Step Guide

What Are Peptides? A Beginner's Guide to Peptide Research

Peptides are short amino acid chains that act as signaling molecules. Learn what peptides are, how they work, major categories, and key considerations for research. ...more

Beginner Guides , Featured

January 09, 20269 min read

What Are Peptides? A Beginner's Guide to Peptide Research

All Research Guides

GHRP-6: The Original Appetite-Amplifying Growth Hormone Secretagogue

GHRP-6: The Original Appetite-Amplifying Growth Hormone Secretagogue

Comprehensive guide to GHRP-6, the original growth hormone releasing peptide. Covers the unique appetite-stimulating mechanism, clinical research, dosing protocols, comparison to newer GHRPs, and stra... ...more

Growth Hormone Secretagogues

January 28, 202615 min read

Hexarelin: The Cardiac Protector Among Growth Hormone Secretagogues

Hexarelin: The Cardiac Protector Among Growth Hormone Secretagogues

Comprehensive guide to Hexarelin, the only GH secretagogue with direct cardiac protection. Covers dual mechanism (GHS-R + CD36), dosing protocols, cycling requirements, stacking strategies, and cardio... ...more

Growth Hormone Secretagogues

January 27, 202613 min read

P21: The Complete Guide to the Neurogenesis Amplifier

P21: The Complete Guide to the Neurogenesis Amplifier

Complete guide to P21, the CNTF mimetic peptide that amplifies endogenous neurogenesis by neutralizing blocking antibodies. Covers mechanisms, the BDNF/TrkB pathway, Alzheimer's research, dosing proto... ...more

Cognitive Peptides

January 26, 202614 min read

Dihexa: The Complete Guide to the Synapse Builder

Dihexa: The Complete Guide to the Synapse Builder

Complete guide to Dihexa, the potent HGF/c-Met activator that stimulates synaptogenesis and neurogenesis. Covers mechanisms, dosing protocols, safety considerations including cancer risk discussion, a... ...more

Cognitive Peptides

January 25, 202616 min read

5-Amino-1MQ: The Complete Guide to the NAD+ Thief Stopper

5-Amino-1MQ: The Complete Guide to the NAD+ Thief Stopper

Complete guide to 5-Amino-1MQ, the NNMT inhibitor that preserves NAD+ to boost metabolism, accelerate fat loss, and enhance cellular energy. Covers mechanisms, dosing protocols, stacking strategies, a... ...more

Longevity Peptides

January 24, 202614 min read

Pinealon: Complete Guide to the Circadian Reset Peptide

Pinealon: Complete Guide to the Circadian Reset Peptide

Complete guide to Pinealon, the bioregulator peptide that restores pineal gland function and circadian rhythms. Covers mechanisms, research evidence, protocols, stacking strategies with DSIP and Epita... ...more

Longevity Peptides

January 23, 202614 min read

Humanin: Complete Guide to the Mitochondrial Longevity Signal

Humanin: Complete Guide to the Mitochondrial Longevity Signal

Complete guide to Humanin, the mitochondrial-derived peptide linked to centenarian longevity. Covers mechanisms, research evidence, protocols, stacking strategies, and realistic expectations for healt... ...more

Longevity Peptides

January 22, 202615 min read

VIP (Vasoactive Intestinal Peptide): The Complete Guide to the Master Inflammation Regulator

VIP (Vasoactive Intestinal Peptide): The Complete Guide to the Master Inflammation Regulator

Complete guide to VIP (Vasoactive Intestinal Peptide), the master inflammation regulator used as the final step in CIRS/mold illness treatment. Covers mechanisms, Shoemaker Protocol integration, dosin... ...more

Immune Peptides

January 21, 202615 min read

DSIP: Complete Guide to the Delta Sleep-Inducing Peptide

DSIP: Complete Guide to the Delta Sleep-Inducing Peptide

DSIP (Delta Sleep-Inducing Peptide) optimizes sleep architecture by promoting deep delta-wave sleep without sedation. This guide covers mechanisms, protocols, stress-sleep connections, and recovery op... ...more

Longevity Peptides

January 20, 202612 min read

Melanotan II: Complete Guide to the Controversial Tanning Peptide

Melanotan II: Complete Guide to the Controversial Tanning Peptide

Melanotan II is a synthetic peptide that produces tanning and sexual enhancement through melanocortin receptor activation. This guide covers mechanisms, protocols, safety concerns, and honest risk ass... ...more

Longevity Peptides

January 19, 202614 min read

PT-141: Complete Guide to the Brain-Based Libido Peptide

PT-141: Complete Guide to the Brain-Based Libido Peptide

PT-141 (Bremelanotide) is the first FDA-approved treatment targeting sexual desire in the brain rather than blood flow. This guide covers mechanisms, protocols, male and female applications, and combi... ...more

Longevity Peptides

January 18, 202612 min read

LL-37: Complete Guide to the Human Antimicrobial Warrior Peptide

LL-37: Complete Guide to the Human Antimicrobial Warrior Peptide

LL-37 is the only human cathelicidin antimicrobial peptide, providing first-line defense against pathogens while accelerating wound healing. This guide covers mechanisms, protocols, biofilm disruption... ...more

Longevity Peptides

January 16, 202612 min read

KPV: Complete Guide to the Inflammation Assassin Peptide

KPV: Complete Guide to the Inflammation Assassin Peptide

KPV is a tripeptide fragment of alpha-MSH with potent anti-inflammatory properties. This guide covers mechanisms, protocols for gut and skin conditions, stacking strategies, and what to expect from th... ...more

Longevity Peptides

January 15, 202612 min read

Thymosin Alpha-1: Complete Guide to the Immune System Commander

Thymosin Alpha-1: Complete Guide to the Immune System Commander

Thymosin Alpha-1 is a 28-amino acid immune peptide approved in 35+ countries. This guide covers mechanisms, clinical protocols, dosing, stacking strategies, and what to expect from this immune system ... ...more

Longevity Peptides

January 15, 202611 min read

Tesamorelin: Complete Guide to the FDA-Approved Visceral Fat Destroyer

Tesamorelin: Complete Guide to the FDA-Approved Visceral Fat Destroyer

Complete Tesamorelin guide covering the only FDA-approved peptide for visceral fat reduction. Clinical trial evidence, NAFLD benefits, protocols, and trusted sources. ...more

Growth Hormone Secretagogues

January 12, 202613 min read

SS-31 (Elamipretide): Complete Guide to the Mitochondrial Armor Peptide

SS-31 (Elamipretide): Complete Guide to the Mitochondrial Armor Peptide

Complete SS-31 (Elamipretide) guide covering cardiolipin binding, FDA approval for Barth syndrome, clinical trial evidence, and mitochondrial protection protocols. ...more

Longevity Peptides

January 12, 202611 min read

NAD+: Complete Guide to the Cellular Energy Currency

NAD+: Complete Guide to the Cellular Energy Currency

Complete NAD+ guide covering sirtuins, energy production, DNA repair, injectable vs oral protocols, 2025 research, and trusted sources for cellular longevity. ...more

Beginner Guides

January 10, 202611 min read

MOTS-C: Complete Guide to the Mitochondrial Metabolism Peptide

MOTS-C: Complete Guide to the Mitochondrial Metabolism Peptide

Complete MOTS-C guide covering AMPK activation, insulin sensitivity, metabolic optimization, protocols, 2025 research, and trusted sources for this mitochondrial peptide. ...more

Beginner Guides

January 10, 202611 min read

Epithalon: Complete Guide to the Telomere Reset Peptide

Epithalon: Complete Guide to the Telomere Reset Peptide

Complete Epithalon guide covering telomerase activation, telomere extension, longevity protocols, 2025 research, cycling strategies, and trusted sources. ...more

Beginner Guides

January 10, 202610 min read

The Cognitive Stack: Semax + Selank Complete Protocol Guide

The Cognitive Stack: Semax + Selank Complete Protocol Guide

Complete Cognitive Stack guide combining Semax and Selank for enhanced focus, memory, and anxiety-free mental performance. Protocols, cycling, and trusted sources. ...more

Beginner Guides

January 10, 20269 min read

The GLOW Stack: BPC-157 + TB-500 + GHK-Cu Complete Protocol Guide

The GLOW Stack: BPC-157 + TB-500 + GHK-Cu Complete Protocol Guide

Complete GLOW Stack guide combining BPC-157, TB-500, and GHK-Cu for superior tissue regeneration. Protocols, timelines, and trusted sources for healing peptides. ...more

Beginner Guides

January 10, 20268 min read