The peptide encyclopedia

Start here to understand what a peptide is and what the research actually says — then jump straight to a live price comparison when you're ready to buy for your research.

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Weight Loss / GLP-1 & Metabolic

(7)

5-Amino-1MQ

Guide

NNMT inhibitor small molecule studied for metabolism.

AOD-9604

Guide

hGH fragment studied for fat metabolism.

Cagrilintide

Cagri

Guide

Amylin analog studied alongside semaglutide (CagriSema).

Orforglipron

Guide

Lilly's oral small-molecule GLP-1 — the first daily GLP-1 pill without food restrictions.

Retatrutide

Reta, GLP-3, triple agonist

Guide

Triple-agonist (GLP-1/GIP/glucagon) drawing the most research interest of any current weight compound.

Semaglutide

Sema

Guide

The original blockbuster GLP-1 (Ozempic/Wegovy).

Tirzepatide

Tirz

Guide

Dual GIP/GLP-1 receptor agonist behind Mounjaro and Zepbound.

🩹

Healing & Recovery

(6)

ARA-290

Cibinetide

Overview

Erythropoietin-derived peptide studied for neuropathic pain and inflammation research.

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BPC-157

Body Protection Compound

Guide

The most-discussed recovery peptide in the research community.

KPV

Lys-Pro-Val

Overview

Tripeptide fragment of alpha-MSH studied in inflammation and gut-barrier research models.

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LL-37

Cathelicidin

Overview

The human antimicrobial peptide, studied in biofilm and immune-defense research.

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TB-500

Thymosin Beta-4 fragment

Guide

Recovery peptide frequently stacked with BPC-157.

Thymosin Alpha-1

Guide

Immune-modulation research peptide.

Anti-Aging / Longevity

(9)

Epithalon

Epitalon

Guide

Telomerase-studied peptide in longevity research.

GHK-Cu

Copper Peptide

Guide

Copper tripeptide studied for skin and tissue applications.

Glutathione

Overview

The body's master antioxidant, compared here across single-vial lab formats.

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Kisspeptin

Kisspeptin-10

Overview

Master upstream regulator of the reproductive hormone axis.

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MOTS-c

Guide

Mitochondrial-derived peptide studied for metabolism.

NAD+

Nicotinamide adenine dinucleotide

Guide

Coenzyme studied for cellular energy and longevity research.

PT-141

Bremelanotide

Guide

Melanocortin peptide studied for libido research.

SS-31

Elamipretide, MTP-131

Overview

Mitochondria-targeting tetrapeptide studied for cardiolipin and cellular-energy research.

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Thymalin

Overview

Thymic extract peptide from the Khavinson course-based tradition.

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💪

Growth Hormone

(9)

CJC-1295

with/without DAC

Guide

GHRH analog commonly blended with ipamorelin.

GHRP-2

Overview

Classic GH secretagogue; stronger pulse than GHRP-6 with less appetite effect.

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GHRP-6

Overview

Classic ghrelin-receptor secretagogue known for strong appetite stimulation.

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Hexarelin

Overview

The strongest short-block GH secretagogue; desensitizes fastest, run in short cycles.

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IGF-1 LR3

Long R3 IGF-1

Overview

Long R3 IGF-1 analog; matched only to explicit LR3 products, not DES or media-grade IGF variants.

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Ipamorelin

Guide

Selective growth-hormone secretagogue, often paired with CJC-1295.

PEG-MGF

Pegylated mechano growth factor

Overview

Post-training muscle-repair peptide; not currently listed by our tested vendors.

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Sermorelin

GHRH 1-29

Overview

The original GHRH fragment; gentle growth-hormone support with a former-approved-product history.

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Tesamorelin

Guide

GHRH analog researched for visceral fat.

🧠

Cognitive / Nootropic

(4)

Dihexa

Overview

Potent synaptogenic research compound; sold mainly in capsule formats we don't yet compare.

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DSIP

Delta sleep-inducing peptide

Overview

Sleep-architecture research peptide tracked as a single-vial product across lab vendors.

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Selank

Guide

Anxiolytic-studied peptide, often compared with Semax.

Semax

Guide

Nootropic peptide studied in cognition research.

Cosmetic

(3)

Melanotan 1

MT-1, afamelanotide analog

Overview

The gentler first-generation tanning peptide; approved-twin pedigree (Scenesse).

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Melanotan II

MT-2

Guide

Melanocortin agonist studied for pigmentation.

Snap-8

Acetyl octapeptide-3, Argireline family

Overview

Topical-only anti-wrinkle peptide for expression lines; never injected.

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Blends

(8)

BPC-157 + TB-500 + KPV Blend

Tri-Blend

Overview

Three-component recovery blend combining BPC-157, TB-500/TB4, and KPV.

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BPC-157 + TB-500 Blend

Wolverine, BPC/TB4

Overview

Recovery research blend combining BPC-157 with TB-500/TB4 across vendor naming variants.

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CJC-1295 + Ipamorelin Blend

FIT Stack, CJC/Ipa, 2X Blend

Overview

Growth-hormone research blend pairing CJC-1295 without DAC with ipamorelin.

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GHK-Cu + KPV Blend

Beauty Blend, GHKPV

Overview

Composition-matched GHK-Cu and KPV blend, including Beauty Blend and GHKPV labels.

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GLOW Blend

GHK-Cu + BPC-157 + TB-500/TB4

Overview

Composition-matched GHK-Cu, BPC-157, and TB-500/TB4 blend, regardless of vendor naming.

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KLOW Blend

GHK-Cu + BPC-157 + TB-500/TB4 + KPV

Overview

Composition-matched GLOW-style blend with KPV added; matched by ingredients, not label alone.

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Semax + Selank Blend

Overview

Nootropic research blend combining Semax and Selank in the same vial.

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Tesamorelin + Ipamorelin Blend

Tesa/Ipa

Overview

Growth-hormone research blend pairing tesamorelin with ipamorelin.

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Supplies / Reconstitution

(1)

BAC Water

Bacteriostatic water

Overview

Reconstitution supply compared by price per milliliter instead of price per milligram.

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Research disclaimer: All content is for educational and research purposes only and is not medical advice. Products referenced are sold by third parties as materials for laboratory research use only — not for human or animal consumption. 21+.