Beginner view — everything explained simply.
Peptide overview
Each profile describes the mechanism of action, history, the honest regulatory status, risks and primary sources. It contains no dosing or usage instructions.
Metabolism & weight
Incretin mimetics and related agents.
Semaglutid
Metabolism & Weight
GLP-1 receptor agonist — approved, prescription-only.
Also known as: Ozempic, Wegovy, Rybelsus
View profileTirzepatid
Metabolism & Weight
Dual GIP/GLP-1 receptor agonist — approved, prescription-only.
Also known as: Mounjaro, Zepbound
View profileRetatrutid
Metabolism & Weight
Triple agonist (GIP/GLP-1/glucagon) — in clinical testing, NOT approved.
Also known as: LY3437943
View profileAOD-9604
Metabolism & Weight
HGH fragment — clinically investigated, but not approved as a weight-loss medication.
Also known as: HGH-Fragment 176-191, Anti-Obesity Drug 9604
View profileTesamorelin
Metabolism & Weight
GHRH analogue — approved prescription-only in the USA (HIV lipodystrophy).
Also known as: Egrifta
View profile5-Amino-1MQ
Metabolism & Weight
Not a peptide but an NNMT inhibitor — fat-metabolism research without human data.
Also known as: 5-Amino-1-Methylquinolinium, NNMT-Inhibitor
View profileLiraglutid
Metabolism & Weight
Approved, prescription-only GLP-1 receptor agonist for type 2 diabetes and obesity – a predecessor of semaglutide and not a substance for self-administration.
Also known as: Victoza, Saxenda, Liraglutide
View profileDulaglutid
Metabolism & Weight
Long-acting GLP-1 receptor agonist (Fc fusion protein), once weekly – an approved prescription diabetes medication.
Also known as: Trulicity, LY2189265, Dulaglutide
View profileExenatid
Metabolism & Weight
Synthetic exendin-4: the first approved GLP-1 receptor agonist — originally derived from the saliva of the Gila monster.
Also known as: Byetta, Bydureon, Bydureon BCise
View profileCagrilintid
Metabolism & Weight
Long-acting amylin analogue in clinical investigation for weight regulation – not approved.
Also known as: Cagrilintide, AM833, NNC0174-0833
View profileSurvodutid
Metabolism & Weight
Experimental dual GLP-1/glucagon receptor agonist – in clinical trials for obesity and MASH, not approved anywhere.
Also known as: BI 456906, Survodutide (INN)
View profileMazdutid
Metabolism & Weight
Dual GLP-1/glucagon receptor agonist (oxyntomodulin analog), approved in China, under investigation elsewhere
Also known as: Mazdutide, IBI362, LY3305677
View profileTissue & regeneration
Studied in research on healing and repair.
BPC-157
Tissue & Regeneration
Synthetic peptide — predominantly animal data, NOT approved for humans.
Also known as: Body Protection Compound 157, PL 14736 (verwandt)
View profileTB-500 / Thymosin β4
Tissue & Regeneration
Actin-binding peptide — research substance, NOT approved.
Also known as: TB-500, Thymosin Beta-4, Tβ4
View profileKPV
Tissue & Regeneration
An anti-inflammatory tripeptide from the α-MSH terminus — gut and research focus, not approved.
Also known as: Lysin-Prolin-Valin, α-MSH(11-13)
View profilePentadeca Arginate (PDA)
Tissue & Regeneration
Heavily hyped "next-gen BPC-157" – almost no human data, no PDA-specific studies, not approved as a medicine.
Also known as: PDA, Pentadecapeptid-Arginat, BPC-157 Arginat
View profileARA-290 (Cibinetide)
Tissue & Regeneration
Non-erythropoietic EPO derivative being investigated in early clinical trials as an agonist of the "innate repair receptor" against neuropathic symptoms.
Also known as: Cibinetide, ARA290, ARA 290
View profileGrowth-hormone system
Act on the body’s growth-hormone axis.
CJC-1295 + Ipamorelin
Growth Hormone System
Growth hormone secretagogues — research peptides, not approved for humans.
Also known as: Modified GRF (1-29), GHRH-Analogon + GHRP, Ipamorelin
View profileSermorelin
Growth Hormone System
GHRH analogue — was approved as Geref, today no approved finished medicinal product.
Also known as: Geref, GHRH (1-29), Sermorelin-Acetat
View profileGHRP-2
Growth Hormone System
Synthetic ghrelin mimetic — traded as a research substance, banned in sport.
Also known as: Pralmorelin, KP-102, Growth Hormone Releasing Peptide-2
View profileGHRP-6
Growth Hormone System
The first GH-releasing peptide — a strong appetite trigger, not approved.
Also known as: Growth Hormone Releasing Peptide-6, SKF-110679
View profileHexarelin
Growth Hormone System
The strongest GH releaser of the GHRP group — with desensitization and cardiac research.
Also known as: Examorelin, HEX
View profileSomatropin (HGH 191AA)
Growth Hormone System
The real recombinant growth hormone — approved, prescription-only, banned in sport.
Also known as: rhGH, Genotropin, Norditropin
View profileIpamorelin
Growth hormone system
Selective growth hormone secretagogue — research peptide, never approved as a medicine.
Also known as: NNC 26-0161, Ipamorelin-Pentapeptid, selektives GH-Sekretagogum (GHRP)
View profileIGF-1 LR3
Growth hormone system
Makes it clear: IGF-1 LR3 is a laboratory/research reagent, not a medicine approved for humans – with serious, genuinely documented risks (including hypoglycaemia) and banned in sport.
Also known as: Long R3 IGF-1, LongR3 IGF-I, Long R3 IGF-I
View profileCognition & neuro
Neuropeptides studied on the brain and nervous system.
Semax
Cognition & Neuro
Neuropeptide — registered as a medicine in Russia, not approved in the EU/USA.
Also known as: ACTH(4-7)-Analogon, Heptapeptid
View profileSelank
Cognition & Neuro
Anxiolytic neuropeptide (tuftsin analogue) — registered in Russia, not approved in the EU/USA.
Also known as: TP-7, Tuftsin-Analogon
View profileDSIP
Cognition & Neuro
A neuropeptide with contradictory sleep evidence — not approved.
Also known as: Delta Sleep-Inducing Peptide, Delta-Schlaf-induzierendes Peptid
View profileCerebrolysin
Cognition & Neuro
Peptide mixture derived from porcine brain with neurotrophic marketing claims – evidence inconsistent according to Cochrane.
Also known as: FPF-1070, FPF 1070, Cerebrolysinum
View profileSkin & cosmetics
Predominantly topical / cosmetic use.
GHK-Cu
Skin & Cosmetics
Copper-binding tripeptide — established in topical cosmetics.
Also known as: Kupfer-Tripeptid-1, Copper Peptide, Glycyl-L-Histidyl-L-Lysin:Cu
View profileArgireline (Acetyl Hexapeptide-8)
Skin & Cosmetics
Cosmetic peptide — topical in anti-aging formulations.
Also known as: Acetyl Hexapeptide-3, Acetyl Hexapeptide-8
View profileMatrixyl (Palmitoyl-Peptide)
Skin & Cosmetics
Cosmetic matrikines — topical to stimulate collagen formation.
Also known as: Palmitoyl Pentapeptide-4, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7
View profileMelanocortin system
Act on melanocortin receptors — from pigmentation to sexual function.
PT-141 (Bremelanotid)
Melanocortin System
Melanocortin agonist for sexual desire — approved in the USA as Vyleesi.
Also known as: Bremelanotid, Vyleesi, PT-141
View profileMelanotan II
Melanocortin System
A tanning peptide without approval — with documented melanoma and priapism cases.
Also known as: MT-II, MT-2
View profileMelanotan I (Afamelanotid)
Melanocortin System
Approved as an implant (Scenesse) — but only for the rare light disease EPP, not for tanning.
Also known as: Afamelanotid, Scenesse, MT-1
View profileSetmelanotid
Melanocortin system
Approved MC4R agonist – exclusively for narrowly defined, genetically caused rare obesity forms, not a general weight-loss drug.
Also known as: Imcivree, RM-493, BIM-22493
View profileLongevity & immune system
Studied on ageing and immune modulation.
Epitalon (Epithalon)
Longevity & Immune System
Synthetic tetrapeptide — research substance for aging, not approved.
Also known as: Epithalon, AEDG, Ala-Glu-Asp-Gly
View profileThymosin Alpha-1 (TA-1)
Longevity & Immune System
Immunomodulating peptide — approved as Zadaxin in several countries, not FDA-approved.
Also known as: Tα1, Zadaxin, Thymalfasin
View profileMOTS-c
Longevity & Immune System
A mitochondrially encoded peptide — an "exercise mimetic" of research, not approved.
Also known as: MOTSc, Mitochondrial ORF of the 12S rRNA type-c
View profileSS-31 (Elamipretid)
Longevity & Immune System
A cardiolipin-stabilizing mitochondrial peptide — approved in the USA for Barth syndrome in 2025.
Also known as: Elamipretid, Bendavia, MTP-131
View profileLL-37 (Cathelicidin)
Longevity & Immune system
Endogenous antimicrobial peptide of the innate immune defense — experimental, not approved as a medicine.
Also known as: Cathelicidin LL-37, hCAP18/LL-37, CAMP
View profileHumanin
Longevity & Immune system
Mitochondria-derived 24-amino-acid peptide from neuro- and longevity research — experimental, not approved.
Also known as: HN, Humanin (HN), HNG (S14G-Humanin, Analogon)
View profileVIP (Vasoaktives Intestinales Peptid)
Longevity & Immune system
Endogenous 28-amino-acid neuropeptide with immunomodulatory action — as the drug aviptadil it is in clinical testing, not broadly approved
Also known as: VIP, Vasoaktives Intestinales Peptid, Vasoaktives intestinales Polypeptid
View profileThymalin
Longevity & Immune System
A peptide fraction derived from the thymus gland, studied primarily by Russian research groups (Khavinson) as an immunomodulator and "geroprotector" – with only limited independent confirmation.
Also known as: Thymalin, Thymus-Peptidfraktion, Thymus-Peptidpräparat
View profileGDF-11
Longevity & Immune System
A controversially debated growth factor from anti-aging research – made famous by "young blood" studies whose findings were later scientifically contested. Not an approved agent.
Also known as: Growth Differentiation Factor 11, GDF11, BMP-11
View profileEndocrine & reproduction
Peptide hormones and releasing hormones acting on the pituitary, reproduction and behaviour.
Oxytocin
Endocrine & reproduction
Nine-residue posterior-pituitary hormone: an approved obstetric medicine — separately marketed as an intranasal "cuddle hormone" (mixed evidence).
Also known as: Oxt, OXT, Syntocinon
View profileGonadorelin
Endocrine & reproduction
Synthetic GnRH/LHRH – the hypothalamic releasing hormone that prompts the pituitary to secrete LH and FSH.
Also known as: GnRH, LHRH, Gonadotropin-Releasing-Hormon
View profilePure research substance
Without approval for human use.
Follistatin
Pure research compound
Endogenous myostatin and activin inhibitor from muscle research — experimental, not approved as a medicine
Also known as: Follistatin, FST, FS
View profileKisspeptin
Pure research compound
Reproductive neuropeptide of the GnRH axis — subject of clinical research, not approved.
Also known as: Kisspeptin-54, Kisspeptin-10, KP-54
View profile
