Every peptide, compared.

All 55 compounds we track, with live prices, public lab data, and dosing tools. Filter by goal, or browse the lot.

All Weight loss Healing Muscle & GH Cognitive Longevity Sleep Sexual Hair & skin
Weight loss

Retatrutide

An investigational triple agonist from Eli Lilly that hits the GLP-1, GIP, and glucagon receptors at once.

Weight loss

Tirzepatide

A dual GIP and GLP-1 receptor agonist, the same molecule sold as Mounjaro and Zepbound.

Weight loss

Semaglutide

The flagship GLP-1 receptor agonist, the same molecule behind Ozempic and Wegovy.

Weight loss

Cagrilintide

A once-weekly amylin analog that works on the body's fullness signal.

Weight loss

Orforglipron

An oral GLP-1 receptor agonist, a small molecule you swallow rather than inject.

Weight loss

Mazdutide

A once-weekly dual agonist that hits both the GLP-1 and the glucagon receptor.

Weight loss

Survodutide

An investigational dual agonist that hits both the GLP-1 and the glucagon receptor.

Weight loss

AOD-9604

A synthetic fragment of human growth hormone, the tail end of the molecule that handles fat.

Healing & gut

BPC-157

A 15-amino-acid peptide for tendon, ligament, and gut repair.

Healing & gut

TB-500

A synthetic fragment of Thymosin Beta-4, the body's own repair protein.

Healing & gut

KPV

A tiny three-amino-acid fragment of the body's own alpha-MSH hormone.

Healing & gut

GHK-Cu

A naturally occurring copper tripeptide that signals skin to rebuild.

Healing & gut

Thymosin α-1

A synthetic copy of Thymosin alpha-1, a natural peptide your thymus makes to train and balance the immune system.

Healing & gut

ARA-290

An 11-amino-acid peptide derived from erythropoietin, engineered to drop the blood-building effect and keep only the tissue-protective signal.

Healing & gut

GHK

The copper-free version of the body's own repair tripeptide, glycine-histidine-lysine.

Muscle & growth

MK-677

An orally active ghrelin mimetic that nudges your own pituitary to release more growth hormone.

Muscle & growth

Ipamorelin

A selective growth-hormone secretagogue that nudges your own pituitary to release growth hormone in natural pulses.

Muscle & growth

CJC-1295

A long-acting analog of growth-hormone-releasing hormone (GHRH).

Muscle & growth

Sermorelin

A synthetic copy of the first 29 amino acids of growth hormone-releasing hormone.

Muscle & growth

Tesamorelin

A synthetic analog of growth hormone-releasing hormone, and one of the few peptides here with a real FDA approval (as Egrifta, for HIV-related belly fat).

Muscle & growth

Hexarelin

A potent synthetic growth hormone-releasing peptide that works on the ghrelin receptor.

Muscle & growth

GHRP-2

A synthetic ghrelin mimetic that prompts your own pituitary to release a pulse of growth hormone.

Muscle & growth

GHRP-6

One of the original growth hormone releasing peptides.

Muscle & growth

IGF-1 LR3

A long-acting analog of insulin-like growth factor 1, engineered to stay active for far longer than the natural hormone.

Cognitive & mood

Semax

A Russian nootropic peptide based on a fragment of ACTH, used as a nasal spray.

Cognitive & mood

Selank

A synthetic analog of tuftsin, a small immune peptide your body already makes.

Cognitive & mood

Dihexa

An orally active, brain-penetrant peptide derived from Angiotensin IV.

Cognitive & mood

Cerebrolysin

A liquid preparation of low-weight peptides and free amino acids made from purified pig brain tissue.

Cognitive & mood

Bromantane

A Soviet-era actoprotector, a small-molecule compound studied for fatigue resistance and focus.

Cognitive & mood

PE-22-28

A synthetic heptapeptide derived from spadin that blocks the TREK-1 potassium channel in the brain.

Cognitive & mood

P21

A small synthetic peptide modeled on ciliary neurotrophic factor (CNTF).

Longevity

MOTS-c

A 16-amino-acid peptide your own mitochondria make.

Longevity

Epitalon

A synthetic copy of a four-amino-acid peptide from the pineal gland, studied for telomere length and the body clock.

Longevity

NAD+

NAD+ is a coenzyme your cells use to make energy and repair DNA, and levels fall as you age.

Longevity

SS-31

A cell-penetrating tetrapeptide that targets the inner membrane of your mitochondria.

Longevity

Humanin

A 24-amino-acid peptide encoded inside your own mitochondrial DNA.

Longevity

FOXO4-DRI

A lab-made senolytic peptide built to clear senescent cells, the worn-out "zombie" cells that build up with age.

Longevity

Thymalin

A peptide extract of the thymus gland, the organ that trains your immune system.

Longevity

Klotho

A lab-made version of the body's own anti-aging protein.

Longevity

5-Amino-1MQ

A small-molecule inhibitor of the enzyme NNMT, taken as an oral capsule.

Longevity

Pinealon

A synthetic three-amino-acid peptide (Glu-Asp-Arg) from the Khavinson bioregulator family.

Sleep

DSIP

A nine-amino-acid peptide first isolated from sleeping rabbits, named for the delta (slow-wave) brain activity it seemed to trigger.

Sexual health

PT-141

A synthetic melanocortin peptide that works in the brain, not the bloodstream, to raise sexual desire and arousal.

Sexual health

Kisspeptin

A short neuropeptide that sits at the very top of the reproductive hormone cascade.

Sexual health

Melanotan II

A synthetic copy of alpha-melanocyte-stimulating hormone, the body's own pigment signal.

Sexual health

Oxytocin

The body's own bonding hormone, made as a synthetic nine-amino-acid peptide.

Sexual health

Gonadorelin

A synthetic copy of gonadotropin-releasing hormone (GnRH), the hypothalamic signal that starts your whole sex-hormone cascade.

Sexual health

Melanotan I

A synthetic copy of alpha-melanocyte-stimulating hormone (alpha-MSH).

Hair & skin

AHK-Cu

A copper-bound tripeptide (alanine-histidine-lysine) engineered for the hair follicle.

Hair & skin

PTD-DBM

A topical peptide that targets CXXC5, a brake on the Wnt pathway that drives hair growth.

Hair & skin

Zinc Thymulin

A copper-free, non-hormonal scalp peptide.

Cognitive & mood

Tuftsin

The natural tetrapeptide (Thr-Lys-Pro-Arg) your body clips from its own antibodies, and the parent molecule behind Selank.

Healing & gut

LL-37

A synthetic copy of the body's own cathelicidin defense peptide.

Healing & gut

Larazotide

An eight-amino-acid oral peptide that works right at the gut lining.

Healing & gut

VIP

A lab-made copy of Vasoactive Intestinal Peptide, a 28-amino-acid signaling molecule the body makes naturally.

Just to be clear.

This site is for educational and informational purposes only and is not medical advice. Nothing here is intended to diagnose, treat, cure, or prevent any disease, and none of these statements have been evaluated by the FDA or any regulatory authority. Talk to a licensed healthcare provider before starting anything.

Peptides and other compounds referenced on this site are sold by third-party vendors strictly as research chemicals for laboratory and research use only. They are not drugs, dietary supplements, cosmetics, or products intended to diagnose, treat, cure, or be consumed by humans or animals, and nothing here is an offer to sell or any encouragement to use them in any such way. You must be at least 18 years old, and of legal age in your jurisdiction, to use this site. Clearly Peptides does not manufacture, sell, supply, or ship any peptides or compounds.

Lab data, grades, and prices are aggregated from publicly available third-party sources, primarily the Janoshik public database and finnrick, plus community-submitted reports. We don't run labs or test anything ourselves. We present this public information, credit each source, and link back to the original report so you can read it yourself. Listing a vendor or compound is not an endorsement.

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