Research Use Only: All content on PeptideNerds is for educational purposes only. Not medical advice.

Everything we've published, organized by category. If you're new, start with the beginner's guide or vendor rankings. If you know what you're looking for, jump straight to the guide.

GLP-1 & Metabolic Peptides

GLP-1

Retatrutide

Triple agonist. 24% weight loss in Phase 2. The most effective GLP-1 compound in research.
GLP-1

Tirzepatide

GLP-1 + GIP dual agonist. ~22% weight loss. Current gold standard among approved GLP-1 therapies.
GLP-1

Semaglutide

The original blockbuster GLP-1. ~15% weight loss, cardiovascular benefit proven, most studied.

Healing & Recovery Peptides

Healing

BPC-157

Body Protection Compound. 100+ studies. Tendon, muscle, bone, and GI healing research.
Healing

TB-500

Thymosin Beta-4 analogue. Systemic healing via actin regulation and cell migration.
Stack

BPC-157 + TB-500 Stack

The classic healing combination. Why they work better together than apart.
Healing/Skin

GHK-Cu

Copper peptide. Collagen synthesis, wound healing, skin research, and longevity gene expression.

Longevity & Metabolic

Longevity

NAD+

Cellular energy coenzyme. Sirtuin activation, DNA repair, mitochondrial function. Injectable vs oral.
Longevity

MOTS-c

Mitochondrial peptide. Exercise mimetic, insulin sensitivity, longevity pathway activation.

Growth Hormone Peptides

GH Stack

CJC-1295 + Ipamorelin

The most popular GH secretagogue stack. Synergistic 3-5x GH pulse amplification.
GH Peptide

Sermorelin

FDA-approved GHRH analogue. Anti-aging and GH restoration research.
GH Peptide

Tesamorelin

FDA-approved GHRH analogue. Visceral fat reduction clinical trial data.

Nootropic Peptides

Nootropic

Semax

ACTH analogue. BDNF upregulation, cognitive enhancement, neuroprotection research.
Nootropic

Selank

Anxiolytic peptide. GABA modulation, stress research, cognitive preservation.

Essential Guides

Essentials

Bacteriostatic Water Guide

How to reconstitute any peptide correctly. Step-by-step, dosing math, storage rules.
Protocols

Peptide Stacking Guide

Which peptides combine synergistically, which to avoid, and full protocol examples.
Start Here

Peptide Research Beginner's Guide

New to research peptides? Start here. Everything you need to know before your first protocol.
FAQ

Frequently Asked Questions

Every common question about research peptides answered in one place.