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Classification

Research Peptides

Research Peptide

Peptides studied primarily in laboratory, animal, or early-stage human research. They are not FDA-approved for human therapeutic use, and the published evidence base is generally limited to preclinical models or small trials.

AI Summary

Research Peptides on Peptides.cafe are studied in preclinical or early clinical research only. This hub lists 46 peptides in this classification, each with a mechanism of action, commonly researched wellness goals, a research summary, safety considerations, and primary references. Classification is educational and describes regulatory status only — it is not medical advice and does not indicate suitability for any individual.

All research peptides (46)

5-Amino-1MQFat loss

Small-molecule NNMT inhibitor researched for fat metabolism.

AdamaxCognitive

Semax derivative with enhanced neurotrophic activity.

Angiotensin-(1-7)Recovery

Counter-regulatory peptide of the renin-angiotensin system.

AOD-9604Fat loss

Modified GH fragment researched for adipose tissue effects.

ApelinRecovery

Endogenous peptide researched for heart and metabolic function.

ARA-290Immune

Erythropoietin-derived peptide researched for neuropathy and tissue repair.

BPC-157Recovery

Body Protection Compound studied for gut and tissue support.

BPC-157 ArginateRecovery

Stabilized salt form of BPC-157 with enhanced stability.

C-Max (Cerebrolysin variant)Cognitive

Concentrated neuropeptide fraction for cognitive support research.

CagrilintideFat loss

Long-acting amylin analog studied alongside GLP-1 agonists.

Carbetocin (Duratocin)Clinical

Long-acting oxytocin analog for postpartum hemorrhage prevention.

CartalaxRecovery

Tripeptide bioregulator researched for cartilage and joint support.

CerebrolysinCognitive

Porcine-derived peptide mixture researched in neurologic recovery.

DihexaCognitive

Angiotensin IV analog researched for synaptogenesis.

DSIPSleep

Delta Sleep-Inducing Peptide studied for sleep architecture and stress.

EpitalonLongevity

Pineal peptide researched for telomere and circadian support.

Epithalon AcetateLongevity

Acetylated form of Epitalon with enhanced bioavailability.

Follistatin 344Performance

Myostatin-binding protein fragment researched for muscle growth.

FOXO4-DRILongevity

Senolytic peptide researched for clearance of senescent cells.

HexarelinPerformance

Potent ghrelin-mimetic with cardiac research interest.

HumaninLongevity

Mitochondrial-derived peptide studied for neuroprotection and metabolism.

IGF-1 LR3Performance

Long-acting IGF-1 analog studied for anabolic and recovery effects.

KPVRecovery

Tripeptide fragment of α-MSH researched for inflammation.

LarazotideRecovery

Tight junction regulator studied for celiac disease.

LL-37Immune

Human cathelicidin peptide with antimicrobial and immune-modulating activity.

Matrixyl (Palmitoyl Pentapeptide-4)Skin & Hair

Topical matrikine researched for collagen stimulation.

Melanotan I (Afamelanotide)Skin & Hair

Selective MC1R agonist FDA-approved for erythropoietic protoporphyria.

Melanotan IISkin & Hair

Melanocortin agonist researched for tanning response and libido.

MK-677 (Ibutamoren)Performance

Orally bioavailable non-peptide ghrelin mimetic.

MOTS-cLongevity

Mitochondrial-derived peptide studied for metabolic health.

NoopeptCognitive

Dipeptide-derived nootropic researched for memory and neuroprotection.

P21Cognitive

Synthetic nootropic peptide researched for synaptic plasticity.

PinealonCognitive

Short peptide bioregulator researched for cognition and aging.

RetatrutideFat loss

Triple GLP-1/GIP/glucagon agonist in late-stage obesity trials.

SelankCognitive

Anxiolytic-style peptide researched for stress modulation.

SemaxCognitive

Russian-origin peptide studied for focus and neuroprotection.

SNAP-8Skin & Hair

Topical octapeptide researched for expression-line softening.

SS-31 (Elamipretide)Longevity

Cardiolipin-targeting peptide studied for mitochondrial dysfunction.

SurvodutideFat loss

GLP-1/glucagon dual agonist in late-stage obesity trials.

TB-500Recovery

Synthetic fragment of Thymosin Beta-4 studied for tissue and vascular repair.

ThymalinImmune

Thymic peptide complex researched for immune restoration in aging.

ThymogenImmune

Dipeptide bioregulator for immune system modulation.

Thymosin α-1Immune

Studied in immune modulation and resilience contexts.

TiragratideFat loss

Investigational triple hormone receptor agonist for metabolic disease.

VesugenRecovery

Tripeptide bioregulator researched for vascular health.

VIP (Vasoactive Intestinal Peptide)Immune

Neuropeptide researched for immune modulation and lung protection.

Frequently asked questions

What is a research peptide?

A research peptide is studied in laboratory, animal, or early human research and has no FDA-approved label for human therapeutic use. Published evidence is generally preclinical or limited to small trials.

Are research peptides approved for human use?

No. Research peptides are not FDA-approved for human therapeutic use. Content on Peptides.cafe describing them is educational and summarizes published research only.

Which research peptides are most commonly studied?

BPC-157 and TB-500 dominate tissue-repair research discussion, Semax and Selank appear most in cognitive research, and MOTS-c and Epitalon are frequently referenced in longevity and mitochondrial research.

How should research summaries be interpreted?

Preclinical findings in cells or rodents frequently fail to reproduce in humans. Treat research-peptide summaries as descriptions of the current literature, not as evidence of a human benefit.

Other classifications

Educational Wellness Information Only

This platform provides peer-reviewed research summaries and educational content about peptides for wellness and optimization purposes. Nothing on this site is intended as medical advice, diagnosis, or treatment. We do not claim any peptide can diagnose, treat, cure, or prevent any disease. Always consult a licensed healthcare provider before beginning any wellness protocol.

Statements on this site have not been evaluated by the FDA. Compounded preparations are subject to applicable state and federal regulations. Availability and eligibility vary.