Preclinical1 sources
5-Amino-1MQ
Metabolic health
Small-molecule NNMT inhibitor; not a peptide. Adipose metabolism and metabolic dysfunction in experimental models.
Not FDA-approved
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02
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03
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04
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35 molecule profiles10 research categoriesSource-linked. Education only.
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The research directory
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35 of 35 molecules
Human research1 sources
AOD-9604
Metabolic health
Modified growth-hormone fragment. Whether a GH-derived fragment can influence lipid metabolism without reproducing all GH effects.
Not FDA-approved
Preclinical1 sources
BPC-157
Tissue repair
Synthetic pentadecapeptide (15 amino acids). Tendon, ligament, muscle and gastrointestinal injury models.
Not FDA-approved
Human research1 sources
CJC-1295
Hormonal signaling
Long-acting GHRH analog. GH and IGF-1 responses and pharmacokinetics in controlled research.
Not FDA-approved
Human research1 sources
CagriSema
Metabolic health
Investigational semaglutide–cagrilintide combination. Combined GLP-1 and amylin signaling for metabolic outcomes.
Not FDA-approved
Human research1 sources
Cagrilintide
Metabolic health
Long-acting amylin analog. Appetite regulation and body-weight outcomes in controlled studies.
Not FDA-approved
Limited / uncertain1 sources
DSIP
Sleep & circadian
Delta sleep-inducing nonapeptide. Historical sleep architecture and stress-response hypotheses.
Not FDA-approved
Preclinical1 sources
Dihexa
Cognitive research
Angiotensin-IV-derived peptidomimetic. Synaptic plasticity and cognitive behavior in experimental models.
Not FDA-approved
Preclinical1 sources
Epitalon
Longevity
Synthetic AEDG tetrapeptide. Telomerase, telomere maintenance and pineal-related biology.
Not FDA-approved
Preclinical1 sources
FOXO4-DRI
Longevity
D-retro-inverso research peptide. Selective removal of senescent cells in laboratory models.
Not FDA-approved
Human research1 sources
GHK-Cu
Skin science
Copper-binding tripeptide complex. Topical skin remodeling and extracellular-matrix biology.
Not FDA-approved as a drug
Human research1 sources
GHRP-2
Hormonal signaling
Synthetic growth-hormone-releasing peptide (pralmorelin). Human endocrine responses and GH-stimulation testing.
Not FDA-approved
Human research1 sources
GHRP-6
Hormonal signaling
Synthetic hexapeptide secretagogue. GH secretion and related endocrine feedback.
Not FDA-approved
Human research1 sources
Hexarelin
Hormonal signaling
Synthetic hexapeptide secretagogue. Pituitary endocrine responses compared with ghrelin and GHRH.
Not FDA-approved
Preclinical1 sources
Humanin
Longevity
Mitochondrial-derived peptide. Cell survival and neuroprotection hypotheses.
Not FDA-approved
Preclinical2 sources
IGF-1 LR3
Muscle performance
Modified long-acting IGF-1 analog. Growth-factor signaling in cell culture and animal models.
Not FDA-approved
Human research2 sources
Ipamorelin
Hormonal signaling
Synthetic pentapeptide secretagogue. GH signaling and gastrointestinal motility research.
Not FDA-approved
Preclinical1 sources
KPV
Gut health
Lys-Pro-Val tripeptide related to alpha-MSH. Intestinal inflammatory signaling and experimental colitis.
Not FDA-approved
Human research2 sources
Kisspeptin-10
Hormonal signaling
Kisspeptin decapeptide fragment. Reproductive hormone signaling and GnRH/LH responses.
Not FDA-approved
Human research1 sources
LL-37
Immune pathways
Human cathelicidin antimicrobial peptide. Antimicrobial defense, wound biology and immune signaling.
Not FDA-approved
Preclinical1 sources
MOTS-c
Metabolic health
Mitochondrial-derived 16-amino-acid peptide. Metabolic stress, insulin sensitivity and skeletal-muscle signaling.
Not FDA-approved
Limited / uncertain1 sources
Melanotan II
Skin science
Nonselective melanocortin receptor agonist. Pigmentation and historical sexual-function research.
Not FDA-approved
Limited / uncertain1 sources
P21
Cognitive research
CNTF-derived research-peptide label. Neurogenesis and cognition in preclinical research.
Not FDA-approved
Preclinical2 sources
PEG-MGF
Muscle performance
Pegylated MGF-related research construct. Muscle progenitor-cell and growth-factor biology.
Not FDA-approved
Human outcomes1 sources
PT-141 / Bremelanotide
Hormonal signaling
Bremelanotide; melanocortin receptor agonist. Sexual-desire outcomes within a narrowly defined clinical indication.
FDA-approved product · narrow indication
Human research1 sources
Retatrutide
Metabolic health
Investigational triple-receptor agonist. Body-weight and metabolic outcomes in controlled trials.
Not FDA-approved
Human research1 sources
SS-31 / Elamipretide
Longevity
Elamipretide; mitochondria-targeted tetrapeptide. Mitochondrial membrane function and disease-specific outcomes.
FDA accelerated approval · Barth syndrome
Limited / uncertain1 sources
Selank
Cognitive research
Synthetic tuftsin-related heptapeptide. Anxiety-related signaling and neurobehavioral hypotheses.
Not FDA-approved
Human outcomes3 sources
Semaglutide
Metabolic health
GLP-1 receptor agonist. Glycemic, weight and cardiovascular outcomes in defined patient groups.
FDA-approved products · specific indications
Limited / uncertain1 sources
Semax
Cognitive research
Synthetic ACTH-fragment analog. Neuropeptide signaling and neurological research hypotheses.
Not FDA-approved
Human research1 sources
Sermorelin
Hormonal signaling
GHRH (1–29) analog. Pituitary GH response and historical pediatric GH-deficiency research.
Historical FDA product · discontinued
Preclinical1 sources
TB-500
Tissue repair
Thymosin-beta-4-related fragment label. Cell migration and tissue-repair hypotheses.
Not FDA-approved
Human outcomes1 sources
Tesamorelin
Metabolic health
GHRH analog. Visceral adipose tissue in adults with HIV-associated lipodystrophy.
FDA-approved product · narrow indication
Human research1 sources
Thymosin Alpha-1
Immune pathways
Thymosin alpha-1 (thymalfasin), a 28-amino-acid peptide. Immune regulation in infection and other disease-specific studies.
Not FDA-approved
Human outcomes2 sources
Tirzepatide
Metabolic health
Dual GIP/GLP-1 receptor agonist. Glycemic and weight outcomes and other labeled disease-specific outcomes.
FDA-approved products · specific indications
Entries may appear in more than one category. Category placement describes research interest, not proven benefit. This is a curated selection, not a systematic review; source gaps are identified inside each profile.
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