Is it a peptide? Look up a name.

Is Abaloparatide a peptide?

Yes. Abaloparatide is a peptide.

What the record says: 34 amino acids · PTHrP analogue

Is Afamelanotide a peptide?

Yes. Afamelanotide is a peptide.

What the record says: 13 amino acids · alpha-MSH analogue

Is AOD-9604 a peptide?

Yes. AOD-9604 is a peptide.

What the record says: 16 amino acids · modified hGH C-terminal fragment

Is BPC-157 a peptide?

Yes. BPC-157 is a peptide.

What the record says: 15 amino acids · investigational

Is Bremelanotide a peptide?

Yes. Bremelanotide is a peptide.

What the record says: 7 amino acids · cyclic peptide

Is Cagrilintide a peptide?

Yes. Cagrilintide is a peptide.

What the record says: 37 amino acids · modified for longer action

Is Calcitonin a peptide?

Yes. Mature human calcitonin is a peptide hormone with 32 amino-acid units. The 141-unit UniProt entry is its precursor. Calcitonin gene-related peptide is a separate peptide made through a different RNA processing path.

Is Carnosine a peptide?

Yes. Carnosine is a dipeptide, meaning it contains two amino-acid units joined by a peptide bond. Chemical class alone does not establish what a product contains or how it affects people.

Is Cerebrolysin a peptide?

Not one peptide. Its record calls it a mix of peptides made from pig brain.

What the record says: Peptide mixture · no single amino-acid sequence

Is CJC-1295 a peptide?

Yes. CJC-1295 is a peptide.

What the record says: Modified peptide · different forms discussed

Is Collagen a peptide?

Collagen is a protein built from three long chains of amino acids joined by peptide bonds. Those chains are polypeptides. The phrase collagen peptides usually means shorter pieces made when collagen is broken down. The two names describe related materials at different stages, so the exact material matters.

Is Creatine a peptide?

No. Creatine is an amino-acid derivative, not a peptide. Its structure does not contain a chain of amino-acid units joined by peptide bonds.

Is DSIP a peptide?

Yes. DSIP is a peptide.

What the record says: 9 amino acids · Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu (WAGGDASGE)

Is Egrifta a peptide?

Yes. Egrifta is a brand of tesamorelin, which is a peptide. Its FDA label names the medicine inside.

What the record says: 44 amino acids · stabilized GHRF analogue

Is Epitalon a peptide?

Yes. Epitalon is a peptide.

What the record says: 4 amino acids · Ala-Glu-Asp-Gly

Is Forteo a peptide?

Yes. Forteo is a brand of teriparatide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 34 amino acids · recombinant PTH fragment

Is Forzinity a peptide?

Yes. Forzinity is a brand of elamipretide (SS-31), which is a peptide. Its FDA label names the medicine inside.

What the record says: 4 amino acids · binds to a fat inside mitochondria

Is Gattex a peptide?

Yes. Gattex is a brand of teduglutide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 33 amino acids · DPP-4-resistant GLP-2 analogue

Is GHK-Cu a peptide?

Yes, with copper attached. GHK is a chain of three amino acids. GHK-Cu is that chain bound to copper.

What the record says: 3 amino acids complexed with copper

Is Ghrelin a peptide?

Yes. Ghrelin is a peptide hormone. The reviewed human sequence record marks a 28-amino-acid form and a 27-amino-acid form within a 117-unit precursor. Some ghrelin molecules also carry a fatty-acid group. That change affects how a form is named and studied, but it does not remove its peptide chain.

Is GHRP-6 a peptide?

Yes. GHRP-6 is a peptide.

What the record says: 6 amino acids · synthetic growth hormone-releasing peptide

Is GLP-1 a peptide?

Yes. Glucagon-like peptide-1 (GLP-1) is a peptide hormone. Human records describe active forms with 30 or 31 amino-acid units, cut from a longer proglucagon protein. A medicine that activates the GLP-1 receptor is a separate molecule; its receptor action alone does not identify its chemical class.

Is Glucagon a peptide?

Yes. Glucagon is a peptide hormone, a chain of amino-acid units that carries a message between cells. Mature human glucagon has 29 units. The pancreas releases it to help raise blood sugar when blood sugar falls.

Is Glutathione a peptide?

Yes. Glutathione is a tripeptide, a molecule made from three amino-acid units: glutamate, cysteine, and glycine. Its bond between glutamate and cysteine uses glutamate's side chain. That unusual bond still fits the chemical definition of a peptide.

Is Gonadorelin a peptide?

Yes. Gonadorelin is a peptide.

What the record says: 10 amino acids · lab-made form of the body's GnRH signal

Is Humalog a peptide?

Yes. Humalog is a brand of insulin lispro, a lab-made, slightly changed form of human insulin, which is a peptide. Its FDA label names the medicine inside.

What the record says: 51 amino acids in human insulin · multiple analog products

Is Insulin a peptide?

Yes. Human insulin is a peptide hormone made of two amino-acid chains joined by disulfide bonds. Its A chain has 21 units and its B chain has 30, for 51 in mature insulin. Scientific sources also call it a protein; peptide and protein names overlap near this size.

Is Ipamorelin a peptide?

Yes. Ipamorelin is a peptide.

What the record says: Synthetic pentapeptide · investigational

Is Kisspeptin-10 a peptide?

Yes. Kisspeptin-10 is a peptide.

What the record says: 10 amino acids · short form of a natural body signal

Is Liraglutide a peptide?

Yes. Liraglutide is a peptide.

What the record says: 31 amino acids · acylated GLP-1 analogue

Is LL-37 a peptide?

Yes. LL-37 is a peptide.

What the record says: 37 amino acids · mature peptide from a larger starting protein

Is Melanotan II a peptide?

Yes. Melanotan II is a peptide.

What the record says: 7 amino acids · cyclic alpha-MSH analogue

Is Melatonin a peptide?

No. Melatonin is an indoleamine, also described as a tryptamine derivative, not a peptide. Its published structure does not contain amino-acid units joined by peptide bonds.

Is MK-677 a peptide?

No. MK-677, also called ibutamoren, is a nonpeptide compound. It activates the ghrelin receptor, a target that receives signals in cells. Peptide compounds act on that receptor too, and a shared target does not make MK-677 a peptide.

Is MOTS-c a peptide?

Yes. MOTS-c is a peptide.

What the record says: 16 amino acids · mitochondria-encoded peptide

Is Mounjaro a peptide?

Yes. Mounjaro is a brand of tirzepatide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 39 amino acids · modified peptide

Is NAD a peptide?

NAD is a dinucleotide coenzyme, not a peptide. NAD stands for nicotinamide adenine dinucleotide. It is made from two nucleotides joined through phosphate groups. Peptides are made from amino acids joined by peptide bonds. Use molecular structure to determine chemical class.

Is Oxytocin a peptide?

Yes. Oxytocin is a cyclic nonapeptide, meaning it contains nine amino-acid units. Its peptide chain also has a disulfide bridge that forms a ring.

Is Ozempic a peptide?

Yes. Ozempic is a brand of semaglutide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 31 amino acids · modified peptide

Is P21 a peptide?

Partly. Its record lists four amino acids plus one changed part, so it is not a plain peptide chain.

What the record says: Four natural amino acids plus one modified amino-acid-like part

Is Retatrutide a peptide?

Yes. Retatrutide is a peptide.

What the record says: 39 amino acids · investigational triple-receptor agonist

Is Rybelsus a peptide?

Yes. Rybelsus is a brand of semaglutide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 31 amino acids · modified peptide

Is Saxenda a peptide?

Yes. Saxenda is a brand of liraglutide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 31 amino acids · acylated GLP-1 analogue

Is Scenesse a peptide?

Yes. Scenesse is a brand of afamelanotide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 13 amino acids · alpha-MSH analogue

Is Selank a peptide?

Yes. Selank is a peptide.

What the record says: 7 amino acids · Thr-Lys-Pro-Arg-Pro-Gly-Pro (TKPRPGP)

Is Semaglutide a peptide?

Yes. Semaglutide is a peptide.

What the record says: 31 amino acids · modified peptide

Is Semax a peptide?

Yes. Semax is a peptide.

What the record says: 7 amino acids · Met-Glu-His-Phe-Pro-Gly-Pro

Is Sermorelin a peptide?

Yes. Sermorelin is a peptide.

What the record says: 29 amino acids · GHRH fragment

Is SLU-PP-332 a peptide?

No. SLU-PP-332 is a small organic molecule, not a peptide. Its published structure is a benzohydrazide-based compound, not a chain of amino acids joined by peptide bonds.

Is Somatostatin a peptide?

Yes. Somatostatin is a peptide hormone. The reviewed human sequence record marks a 14-amino-acid form and a 28-amino-acid form within a 116-unit starting chain. The forms share an ending sequence, but the 116-unit precursor is not the same molecule as either mature form. A somatostatin analogue, such as octreotide, needs its own name and source record.

Is SS-31 a peptide?

Yes. SS-31 is a peptide.

What the record says: 4 amino acids · binds to a fat inside mitochondria

Is Taurine a peptide?

No. Taurine is an amino sulfonic acid, not a peptide. Its structure has one amino group and a sulfonic acid group, rather than amino-acid units linked by peptide bonds.

Is TB-500 a peptide?

Yes. TB-500 is a peptide.

What the record says: 7 amino acids · N-terminal acetylated fragment

Is Teduglutide a peptide?

Yes. Teduglutide is a peptide.

What the record says: 33 amino acids · DPP-4-resistant GLP-2 analogue

Is Teriparatide a peptide?

Yes. Teriparatide is a peptide.

What the record says: 34 amino acids · recombinant PTH fragment

Is Tesamorelin a peptide?

Yes. Tesamorelin is a peptide.

What the record says: 44 amino acids · stabilized GHRF analogue

Is Tesofensine a peptide?

No. Tesofensine is a small organic molecule with a ring structure. Peptides contain linked amino-acid units, the small building blocks of proteins. Tesofensine has none of the peptide bonds that join those units.

Is Thymosin alpha-1 a peptide?

Yes. Thymosin alpha-1 is a peptide.

What the record says: 28 amino acids · small chemical cap on one end

Is Tirzepatide a peptide?

Yes. Tirzepatide is a peptide.

What the record says: 39 amino acids · modified peptide

Is Tymlos a peptide?

Yes. Tymlos is a brand of abaloparatide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 34 amino acids · PTHrP analogue

Is Vasopressin a peptide?

Yes. Human arginine vasopressin is a nine-unit peptide hormone. UniProt's 164-unit entry describes the precursor that also yields neurophysin II and copeptin.

Is Victoza a peptide?

Yes. Victoza is a brand of liraglutide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 31 amino acids · acylated GLP-1 analogue

Is VIP a peptide?

Yes. VIP is a peptide.

What the record says: 28 amino acids · vasoactive intestinal peptide

Is Vyleesi a peptide?

Yes. Vyleesi is a brand of bremelanotide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 7 amino acids · cyclic peptide

Is Wegovy a peptide?

Yes. Wegovy is a brand of semaglutide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 31 amino acids · modified peptide

Is Zepbound a peptide?

Yes. Zepbound is a brand of tirzepatide, which is a peptide. Its FDA label names the medicine inside.

What the record says: 39 amino acids · modified peptide