Research Library

Peptide Library

Browse 45+ peptide profiles — mechanisms, dosing, research notes, and side effects. Free to browse, no account required.

45+ Peptides
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45 peptides

Supplies SubQ/IM

Bacteriostatic Water

BAC Water, Bacteriostatic saline, 0.9% benzyl alcohol water

Bacteriostatic water is sterile water preserved with 0.9% benzyl alcohol that prevents bacterial growth for up to 28 days after opening — m…

Beginner Friendly
Cognitive Oral

MK-0777

MK-777, GABA-A alpha2/3 agonist, MK0777

MK-0777 is a selective GABA-A α2/α3 subunit agonist originally developed for cognitive impairment in schizophrenia. It improves working mem…

Advanced
Sleep & GH Oral

MK-677

Ibutamoren, MK-0677, L-163,191, Nutrobal

MK-677 (Ibutamoren) is the only orally active growth hormone secretagogue — a non-peptide ghrelin mimetic that produces sustained 24-hour G…

Intermediate
Longevity SubQ/IM · Oral

SLU-PP-332

SLU-PP-332, ERR agonist, exercise mimetic compound

SLU-PP-332 is an agonist of ERRα and ERRγ receptors that activates the same mitochondrial gene expression programs as endurance exercise — …

Advanced
Weight Loss Oral

Tesofensine

NS2330, Tesofensine hydrochloride

Tesofensine is a serotonin-noradrenaline-dopamine reuptake inhibitor originally developed for Parkinson's and Alzheimer's disease that prod…

Advanced
Longevity SubQ/IM · Oral

NAD+

Nicotinamide Adenine Dinucleotide, NAD, NAD-IV

NAD+ is the coenzyme that powers cellular energy production and DNA repair — and its decline with age is one of the most documented molecul…

Intermediate
Fat Loss SubQ/IM

Tesamorelin

TH9507, Egrifta, GHRH(trans-3-hexenoic acid)

Tesamorelin is the only FDA-approved GHRH analog — approved as Egrifta for HIV-associated visceral fat — and has the strongest clinical evi…

Intermediate
Longevity SubQ/IM

SS-31

Elamipretide, MTP-131, Bendavia, Szeto-Schiller peptide 31

SS-31 (Elamipretide) is a mitochondria-targeted antioxidant tetrapeptide that concentrates in the inner mitochondrial membrane, protects ca…

Advanced
Longevity SubQ/IM

Pinealon

Glu-Asp-Arg, EDR tripeptide, pineal bioregulator

Pinealon is a neuroprotective tripeptide derived from pineal gland tissue that supports cognitive function, reduces neuronal oxidative dama…

Beginner Friendly
Bone & Joint SubQ/IM

Cartalax

Ala-Glu-Asp tripeptide, cartilage bioregulator

Cartalax is a short bioregulatory tripeptide derived from cartilage tissue that promotes chondrocyte activity, supports cartilage maintenan…

Beginner Friendly
Fat Loss SubQ/IM · Oral

5-Amino-1MQ

5-Amino-1-methylquinolinium, NNMT inhibitor

5-Amino-1MQ is a small-molecule inhibitor of NNMT (Nicotinamide N-methyltransferase) that raises intracellular NAD+ levels and blocks fat c…

Intermediate
Gut Health SubQ/IM · Oral

KPV

alpha-MSH C-terminal tripeptide, Lys-Pro-Val

KPV is the C-terminal tripeptide of alpha-MSH with potent anti-inflammatory activity specifically in the gut. It reduces intestinal inflamm…

Beginner Friendly
Sleep & GH SubQ/IM

DSIP

Delta Sleep-Inducing Peptide, DSIP nonapeptide

DSIP is a naturally occurring neuropeptide that promotes deep delta (slow-wave) sleep — the most restorative sleep stage — while also modul…

Beginner Friendly
Skin & Hair SubQ/IM

Melanotan I

Afamelanotide, CUV1647, Scenesse, MT-1

Melanotan I (afamelanotide) is a synthetic alpha-MSH analog that stimulates melanin production across the body for protective and cosmetic …

Intermediate
Longevity SubQ/IM

MOTS-c

Mitochondria-derived peptide MOTS-c, 16S rRNA-encoded peptide

MOTS-c is a mitochondria-derived peptide that regulates energy metabolism by activating AMPK — the body's master fuel-sensing enzyme. It de…

Intermediate
Weight Loss SubQ/IM

Retatrutide

LY3437943, GLP-1/GIP/glucagon triple agonist

Retatrutide is the first triple agonist targeting GLP-1, GIP, and glucagon receptors simultaneously. Phase 2 data showed up to 24.2% body w…

Advanced
Weight Loss SubQ/IM

Tirzepatide

LY3298176, Mounjaro, Zepbound, Twincretin

Tirzepatide is the first FDA-approved dual GIP/GLP-1 receptor agonist — approved as Mounjaro for type 2 diabetes and Zepbound for obesity. …

Intermediate
Weight Loss SubQ/IM

Cagrilintide

AM833, Cagri, Long-acting amylin analog

Cagrilintide is a long-acting synthetic amylin analog that reduces appetite and slows gastric emptying through central amylin receptors — a…

Advanced
Recovery SubQ/IM · Topical

GLOW Stack

GLOW peptide blend, GHK + TB-500 + BPC-157 combo

The GLOW stack combines GHK-Cu, TB-500, and BPC-157 into one protocol — targeting collagen synthesis, cell migration, and tissue repair sim…

Beginner Friendly
Hormones SubQ/IM · Intranasal

Oxytocin

OXT, Pitocin, Syntocinon, Bonding hormone

Oxytocin is the neuropeptide hormone responsible for social bonding, trust, and maternal behavior — and increasingly researched for its rol…

Intermediate
Muscle Growth SubQ/IM

MGF

Mechano Growth Factor, IGF-1Ec, PEG-MGF

MGF is the splice variant of IGF-1 that muscles produce locally in response to mechanical damage. It activates satellite cells — the stem c…

Advanced
Fat Loss SubQ/IM · Oral

L-Carnitine

Levocarnitine, L-carnitine tartrate, Carnitine

L-Carnitine is the essential shuttle that transports long-chain fatty acids into mitochondria for energy production. It is one of the most …

Beginner Friendly
Immune Health SubQ/IM

Thymulin

Facteur Thymique Sérique, FTS, Zinc-Thymulin, Serum Thymic Factor

Thymulin is a nonapeptide hormone secreted by the thymus gland that requires zinc for biological activity. It regulates T-cell maturation, …

Intermediate
Skin & Hair Topical

SNAP-8

Acetyl Octapeptide-3, SNAP-8 peptide, Leuphasyl

SNAP-8 is a topical anti-wrinkle octapeptide that mimics the N-terminal end of SNAP-25 protein to reduce the depth of expression lines with…

Beginner Friendly
Longevity SubQ/IM

FOX-04-DRI

FOXO4-DRI, Proxofim

FOX-04-DRI is a senolytic peptide that selectively forces senescent (zombie) cells into apoptosis without harming healthy tissue — making i…

Advanced
Performance SubQ/IM

IGF-1 LR3

Long R3 IGF-1, Insulin-like Growth Factor-1 Long Arg3, Long Arginine 3-IGF-1

IGF-1 LR3 is a modified IGF-1 analogue engineered to resist binding protein sequestration, extending its effective half-life to 20–30 hours…

Advanced
Libido SubQ/IM

Melanotan II

MT-II, Melanotan 2, MT2, [Nle4, D-Phe7]-alpha-MSH

Melanotan II is a non-selective synthetic melanocortin analogue that activates receptors responsible for tanning, libido, and appetite supp…

Advanced
Libido SubQ/IM · Intranasal

PT-141

Bremelanotide, Vyleesi, PT141, Melanocortin receptor agonist

PT-141 (bremelanotide) is the first FDA-approved treatment for hypoactive sexual desire disorder (HSDD) in premenopausal women, working cen…

Beginner Friendly
Immune SubQ/IM · Topical

LL-37

Cathelicidin LL-37, hCAP-18/LL-37, CAP18, Human cathelicidin antimicrobial peptide

LL-37 is the only human cathelicidin antimicrobial peptide, representing the frontline of the innate immune response against bacteria, fung…

Intermediate
Immune SubQ/IM

Thymosin Alpha-1

Tα1, Thymalfasin, Zadaxin, Thymosin alpha 1 acetate

Thymosin Alpha-1 is a 28-amino-acid thymic peptide that activates T-cell maturation and regulates the adaptive immune response. The synthet…

Intermediate
Anti-Aging SubQ/IM · Topical

GHK-Cu

Copper Peptide GHK, Copper Tripeptide-1, Glycyl-L-histidyl-L-lysine copper, GHK copper complex

GHK-Cu is a naturally occurring copper peptide complex that modulates over 4,000 genes according to the Broad Institute's Connectivity Map …

Beginner Friendly
Anti-Aging SubQ/IM · Intranasal

Epithalon

Epitalon, Epithalone, Tetrapeptide ALA-GLU-ASP-GLY, Epithalamin synthetic analogue

Epithalon is a synthetic tetrapeptide derived from the pineal gland that activates telomerase — the enzyme that extends telomeres — and has…

Beginner Friendly
Cognitive Oral · Topical

Dihexa

PNB-0408, N-hexanoic-Tyr-Ile-(6) aminohexanoic amide, Dihexa nootropic

Dihexa is a small nootropic peptide derived from angiotensin IV that is approximately 10 million times more potent than BDNF at inducing ne…

Advanced
Cognitive SubQ/IM · Intranasal

Semax

N-acetyl Semax, NA-Semax, Semax heptapeptide, ACTH(4-7)PGP

Semax is a Russian-approved neuropeptide analogue of ACTH that dramatically upregulates BDNF and NGF in the brain, making it one of the mos…

Beginner Friendly
Cognitive SubQ/IM · Intranasal

Selank

TP-7, Selanc, Selanque, Selank heptapeptide

Selank is a Russian-approved synthetic heptapeptide with anxiolytic, nootropic, and immunomodulatory properties that produces relief from a…

Beginner Friendly
Fat Loss SubQ/IM · Oral

Semaglutide

Ozempic, Wegovy, Rybelsus, GLP-1 receptor agonist, semaglutide sodium

Semaglutide is an FDA-approved GLP-1 receptor agonist peptide with landmark clinical trial data demonstrating 15–17% body weight reduction …

Beginner Friendly
Fat Loss SubQ/IM

HGH Fragment 176-191

Fragment 176-191, HGH Frag 176-191, hGH(176-191)

HGH Fragment 176-191 is a stabilized analogue of the GH region specifically responsible for fat metabolism, shown to have approximately 12.…

Beginner Friendly
Fat Loss SubQ/IM · Oral

AOD-9604

Advanced Obesity Drug 9604, hGH Fragment 177-191, AOD9604

AOD-9604 is a modified C-terminal fragment of human growth hormone that reproduces GH's fat-burning properties without triggering anabolic,…

Beginner Friendly
Sleep & GH SubQ/IM

Sermorelin

GHRH(1-29), GRF 1-29, Geref, Sermorelin acetate

Sermorelin is the synthetic analogue of the first 29 amino acids of endogenous GHRH and received FDA approval in 1990 for GH deficiency dia…

Beginner Friendly
Sleep & GH SubQ/IM

GHRP-6

Growth Hormone Releasing Peptide-6, His-D-Trp-Ala-Trp-D-Phe-Lys-NH2

GHRP-6 was one of the first synthetic growth hormone releasing peptides developed and remains a benchmark research compound in the GHRP cla…

Intermediate
Sleep & GH SubQ/IM

GHRP-2

Growth Hormone Releasing Peptide-2, KP-102, Pralmorelin

GHRP-2 is a potent second-generation growth hormone releasing peptide that has undergone formal Phase II and III clinical trials for GH def…

Intermediate
Sleep & GH SubQ/IM

CJC-1295 (No DAC)

Modified GRF 1-29, Mod GRF 1-29, Sermorelin analog, GRF(1-29)NH2

CJC-1295 without DAC (Modified GRF 1-29) is a modified fragment of GHRH that produces a short, pulsatile GH signal closely mimicking the na…

Beginner Friendly
Sleep & GH SubQ/IM

Ipamorelin

NNC 26-0161, Ipamorelin acetate

Ipamorelin is a selective growth hormone secretagogue that stimulates a clean, physiological GH pulse with minimal cortisol or prolactin el…

Beginner Friendly
Recovery SubQ/IM

TB-500

Thymosin Beta-4, Tβ4, Thymosin B4

TB-500 is a synthetic analogue of Thymosin Beta-4, a naturally occurring 43-amino-acid peptide involved in actin regulation, cell migration…

Beginner Friendly
Recovery SubQ/IM · Oral

BPC-157

Body Protection Compound-157, PL 14736, Pentadecapeptide BPC 157

BPC-157 is a synthetic pentadecapeptide derived from a protective protein found in human gastric juice. It is one of the most extensively s…

Beginner Friendly