Courses

Learn the fundamentals and deepen your peptide research knowledge. Course overviews are public; lesson progress syncs when you are signed in.

How the Peptide Library Works

Foundations

How the library is organised: evidence levels, dosage review status, canonical profiles versus aliases, and how the dosage chart and price comparison fit together.

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Peptide Storage and Stability

Foundations

Lyophilised versus reconstituted storage, refrigeration ranges, light and freeze-thaw exposure, and how long a reconstituted vial is usually considered stable.

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Peptide Vocabulary

Foundations

The terms that appear throughout the library: peptide versus protein, secretagogue, half-life, reconstitution, lyophilised, bioavailability and evidence grading.

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Scope and Disclaimer

Foundations

What this material is and is not. Research peptides are not approved for human use, and nothing on this site is medical advice or a protocol to follow.

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Supplies, Reconstitution and Injection Technique

Foundations

What a reconstitution setup actually requires, step by step: bacteriostatic water, syringe markings, IU to mg conversion, storage and site rotation.

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Using the Peptide Calculator

Foundations

How to work out concentration and volume from a vial size and a reconstitution amount, and how the site calculator does the same arithmetic for you.

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Using the Peptide Library App

Foundations

What the mobile app adds over the website: research logging, dose tracking, the reconstitution calculator offline, and reminders.

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What Are Peptides?

Foundations

What peptides are, how research peptides differ from approved peptide drugs, why manufacturing quality matters, and how to read the evidence behind a compound.

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5-Amino-1MQ

Peptide Deep Dives

5-Amino-1MQ: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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AICAR

Peptide Deep Dives

AICAR: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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AOD-9604

Peptide Deep Dives

AOD-9604: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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BPC-157

Peptide Deep Dives

BPC-157: limited human evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Bremelanotide (PT-141)

Peptide Deep Dives

Bremelanotide (PT-141): FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Cagrilintide

Peptide Deep Dives

Cagrilintide: clinical-trial dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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CagriSema

Peptide Deep Dives

CagriSema (Cagrilintide + Semaglutide): the trials that dosed the combination, the evidence for each component, and what is still not established.

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Cartalax

Peptide Deep Dives

Cartalax: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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CJC-1295

Peptide Deep Dives

CJC-1295: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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CJC-1295 (No DAC) + Ipamorelin Blend

Peptide Deep Dives

CJC-1295 (No DAC) + Ipamorelin Blend: what the evidence establishes for each component, and why the combination itself is not graded on it.

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CJC-1295 No DAC (Mod GRF 1-29)

Peptide Deep Dives

CJC-1295 No DAC (Mod GRF 1-29): insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Dihexa

Peptide Deep Dives

Dihexa: limited human evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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DSIP

Peptide Deep Dives

DSIP: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Epitalon

Peptide Deep Dives

Epitalon: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Follistatin-344

Peptide Deep Dives

Follistatin-344: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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GHK-Cu

Peptide Deep Dives

GHK-Cu: limited human evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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GHRP-2 + Ipamorelin Blend

Peptide Deep Dives

GHRP-2 + Ipamorelin Blend (Pralmorelin + Ipamorelin): what the evidence establishes for each component, and why the combination itself is not graded on it.

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GHRP-6

Peptide Deep Dives

GHRP-6: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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GLOW

Peptide Deep Dives

GLOW (GHK-Cu + BPC-157 + TB-500): what the evidence establishes for each component, and why the combination itself is not graded on it.

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Glutathione

Peptide Deep Dives

Glutathione: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Gonadorelin

Peptide Deep Dives

Gonadorelin: limited human evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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hCG (Human Chorionic Gonadotropin)

Peptide Deep Dives

hCG (Human Chorionic Gonadotropin): FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Hexarelin

Peptide Deep Dives

Hexarelin: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Humanin

Peptide Deep Dives

Humanin: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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IGF-1 (Mecasermin)

Peptide Deep Dives

IGF-1 (Mecasermin): FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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IGF-1 LR3

Peptide Deep Dives

IGF-1 LR3: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Ipamorelin

Peptide Deep Dives

Ipamorelin: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Kisspeptin-10

Peptide Deep Dives

Kisspeptin-10: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Kisspeptin-54

Peptide Deep Dives

Kisspeptin-54: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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KLOW

Peptide Deep Dives

KLOW (GHK-Cu + BPC-157 + TB-500 + KPV): what the evidence establishes for each component, and why the combination itself is not graded on it.

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KPV

Peptide Deep Dives

KPV: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Liraglutide

Peptide Deep Dives

Liraglutide: FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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LL-37

Peptide Deep Dives

LL-37: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Melanotan I (Afamelanotide)

Peptide Deep Dives

Melanotan I (Afamelanotide): FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Melanotan II

Peptide Deep Dives

Melanotan II: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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MK-677 (Ibutamoren)

Peptide Deep Dives

MK-677 (Ibutamoren): clinical-trial dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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MOTS-C

Peptide Deep Dives

MOTS-C: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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NAD+

Peptide Deep Dives

NAD+: limited human evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Orforglipron

Peptide Deep Dives

Orforglipron: FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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P21 (BDNF-Mimetic Peptide)

Peptide Deep Dives

P21 (BDNF-Mimetic Peptide): insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Pralmorelin (GHRP-2)

Peptide Deep Dives

Pralmorelin (GHRP-2): limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Retatrutide

Peptide Deep Dives

Retatrutide: clinical-trial dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Selank

Peptide Deep Dives

Selank: limited human evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Semaglutide

Peptide Deep Dives

Semaglutide: FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Semax

Peptide Deep Dives

Semax: limited human evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Sermorelin

Peptide Deep Dives

Sermorelin: limited human evidence. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Setmelanotide

Peptide Deep Dives

Setmelanotide: FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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SLU-PP-332

Peptide Deep Dives

SLU-PP-332: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Somatropin (HGH)

Peptide Deep Dives

Somatropin (HGH): FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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SS-31 (Elamipretide)

Peptide Deep Dives

SS-31 (Elamipretide): FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Survodutide

Peptide Deep Dives

Survodutide: clinical-trial dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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TB-500

Peptide Deep Dives

TB-500: insufficient evidence. Mechanism, why there is no established human dose, and what the widely circulated figures are missing.

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Tesamorelin

Peptide Deep Dives

Tesamorelin: FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Thymosin Alpha-1

Peptide Deep Dives

Thymosin Alpha-1: clinical-trial dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Tirzepatide

Peptide Deep Dives

Tirzepatide: FDA-approved dosing. Mechanism, the dosing actually published with every source cited, and what is still not established.

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Wolverine Stack

Peptide Deep Dives

Wolverine Stack (BPC-157 + TB-500): what the evidence establishes for each component, and why the combination itself is not graded on it.

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Ultimate Peptide Cheat Sheet

Stacks

Goal-based peptide stacks organized by category: fat loss, recovery, anti-aging, metabolic & energy, cognitive, immune, skin, and hormone & reproductive health. Each combination is described with its components and the proposed rationale; the evidence-graded web version, which states what is and is not established for each, is at peptidelibrary.app/peptide-stacks.

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