Peptide database

23 monographs across 12 categories. Each entry carries an evidence grade so you can see the difference between an approved drug and a rodent study.

23 results

Tirzepatide

Mounjaro, Zepbound

Grade A

A dual GIP/GLP-1 receptor agonist producing the largest weight reduction of any currently approved incretin therapy.

Weight Loss & MetabolicFDA approved (T2D, obesity, OSA)

Retatrutide

Grade B

A triple GLP-1/GIP/glucagon receptor agonist in late-stage trials, with the highest reported weight reduction to date in obesity studies.

Weight Loss & MetabolicInvestigational (Phase 3)

AOD-9604

Grade B

A modified fragment of human growth hormone (176-191) marketed for fat loss, with human trials that failed to separate from placebo.

Weight Loss & MetabolicNot approved

BPC-157

Grade B

A synthetic pentadecapeptide derived from a gastric protein, widely used for soft-tissue and gut healing on the strength of animal data.

Recovery & RepairNot approved; FDA bulks list category 2

TB-500

Thymosin Beta-4 fragment

Grade B

A synthetic fragment mimicking thymosin beta-4, used for tissue repair, flexibility, and inflammation control in research settings.

Recovery & RepairNot approved

KPV

Grade B

An alpha-MSH-derived tripeptide (Lys-Pro-Val) studied for anti-inflammatory effects, particularly in gut and skin models.

Recovery & RepairNot approved

Ipamorelin

Grade B

A selective growth hormone secretagogue valued for stimulating GH release without meaningful cortisol or prolactin elevation.

Growth Hormone & PerformanceNot approved

CJC-1295

Grade B

A GHRH analog that raises baseline GH and IGF-1, frequently paired with a ghrelin agonist such as ipamorelin.

Growth Hormone & PerformanceNot approved

Sermorelin

Grade B

A GHRH (1-29) analog historically approved for diagnostic GH testing and pediatric growth hormone deficiency.

Growth Hormone & PerformancePreviously FDA approved (withdrawn commercially)

Tesamorelin

Egrifta

Grade A

The only GHRH analog with an FDA-approved indication for reducing visceral adipose tissue.

Growth Hormone & PerformanceFDA approved (HIV lipodystrophy)

PT-141

Bremelanotide, Vyleesi

Grade A

A melanocortin receptor agonist approved for hypoactive sexual desire disorder, acting centrally rather than vascularly.

Growth Hormone & PerformanceFDA approved (HSDD in premenopausal women)

Epithalon

Epitalon

Grade B

A synthetic tetrapeptide studied in Russian cohorts for telomerase activation and circadian regulation.

Longevity & ImmuneNot approved

Thymosin Alpha 1

Zadaxin

Grade B

An immune-modulating peptide used internationally for hepatitis, sepsis, and adjunct cancer care.

Longevity & ImmuneApproved in 30+ countries; not FDA approved

SS-31

Elamipretide

Grade B

A mitochondria-targeting tetrapeptide that binds cardiolipin to restore cristae structure and cellular energy output.

Longevity & ImmuneInvestigational

Semax

Grade B

An ACTH(4-10) analog used in Russia for stroke recovery and cognitive disorders, notable for BDNF upregulation.

Cognitive & MoodApproved in Russia; not FDA approved

Selank

Grade B

A tuftsin-derived anxiolytic heptapeptide reported to reduce anxiety without sedation or dependence.

Cognitive & MoodApproved in Russia; not FDA approved

GHK-Cu

Grade B

A naturally occurring copper tripeptide with the strongest dermatologic evidence base among cosmetic peptides.

Skin & AestheticsCosmetic ingredient

Kisspeptin

Kisspeptin-10 (KP-10), Kisspeptin-54 (KP-54), metastin

Grade A

A naturally occurring hypothalamic signaling peptide that acts upstream of GnRH and plays a central role in regulating the reproductive hormone axis.

Hormones & Reproductive HealthInvestigational / research peptide

DSIP

Delta Sleep-Inducing Peptide

Grade A

An endogenous-like nonapeptide investigated for possible roles in sleep physiology, stress signaling, and neuroendocrine regulation.

Sleep & NeurologicalInvestigational / research peptide

MOTS-c

Mitochondrial Open Reading Frame of the 12S rRNA-c

Grade A

A mitochondrial-derived peptide involved in cellular metabolic signaling and adaptive responses to metabolic stress.

Mitochondrial & Metabolic HealthInvestigational / research peptide

Pinealon

Glu-Asp-Arg (EDR)

Grade A

A synthetic tripeptide (Glu-Asp-Arg) investigated in neurobiology, aging, cellular stress, and gene-regulation research.

Neurological & CognitiveInvestigational / research peptide

ARA-290 (Cibinetide)

Cibinetide

Grade A

An 11-amino-acid peptide derived from the tissue-protective region of erythropoietin, investigated for anti-inflammatory, tissue-protective, and neuropathy-related effects.

Nerve Repair & InflammationInvestigational clinical compound

NAD+

Nicotinamide Adenine Dinucleotide

Grade A

An essential cellular redox coenzyme involved in energy metabolism, mitochondrial function, enzymatic signaling, and DNA-repair pathways.

Cellular Energy & LongevityMetabolic cofactor — regulatory status depends on route and formulation