Encyclopedia
Peptide encyclopedia
58 research compounds — mechanism, evidence, safety and regulatory status, each linked to its dosage protocols.
7 compounds
Metabolic & Weight Loss
5-Amino-1MQ
5-Amino-1MQ peptide is a search term for 5-amino-1-methylquinolinium, a small-molecule NNMT inhibitor studied mainly in …
Read the researchAOD-9604
AOD-9604 peptide is a synthetic growth hormone fragment studied for obesity, fat metabolism, and body composition, but i…
Read the researchCagrilintide
Cagrilintide peptide is a long-acting amylin analog being studied for obesity and weight management, including in the in…
Read the researchMazdutide
Mazdutide peptide is a dual GLP-1 and glucagon receptor agonist being studied for obesity, overweight, type 2 diabetes, …
Read the researchSemaglutide
Semaglutide peptide is a long-acting GLP-1 receptor agonist used in approved prescription medicines for type 2 diabetes,…
Read the researchSLU-PP-332
SLU-PP-332 peptide is a common search phrase for a research compound discussed in exercise-mimetic and metabolic science…
Read the researchTirzepatide
Tirzepatide peptide is a synthetic, once-weekly injectable medication that acts as a dual GIP and GLP-1 receptor agonist…
Read the research4 compounds
Experimental Research
Adipotide Peptide Guide
Adipotide peptide is an experimental prohibitin-targeting peptidomimetic, also called FTPP or Prohibitin-TP01, designed …
Read the researchIGF-1 DES
IGF-1 DES peptide is an investigational IGF-1 variant, not an FDA-approved therapy. It is a truncated form of insulin-li…
Read the researchPNC-27
PNC-27 peptide is an investigational p53-derived anti-cancer peptide studied mainly for its proposed interaction with HD…
Read the researchRetatrutide
Retatrutide peptide is an investigational incretin-based metabolic drug being studied for obesity, type 2 diabetes, and …
Read the research6 compounds
Healing & Recovery
ARA-290
ARA-290 peptide is an investigational, erythropoietin-derived peptide also known as cibinetide. It is searched most ofte…
Read the researchBPC-157
BPC-157 peptide is an investigational synthetic gastric pentadecapeptide studied mostly in animal and cell models for ti…
Read the researchCartalax
Cartalax peptide is a short synthetic tripeptide, commonly identified as alanyl-glutamyl-aspartic acid or Ala-Glu-Asp, t…
Read the researchGlow
Glow peptide is a nonstandard term for a peptide stack commonly discussed for skin health, collagen support, tissue repa…
Read the researchKLOW
KLOW peptide is a non-standardized term for a proposed peptide blend, not an FDA-approved single peptide drug. It is sea…
Read the researchTB-500
TB-500 peptide is commonly discussed online as a synthetic peptide related to thymosin beta-4, a naturally occurring pro…
Read the research8 compounds
Bioregulators
Cardiogen
Cardiogen peptide is an evidence-limited synthetic tetrapeptide, commonly represented as AEDR, studied mainly in cardiac…
Read the researchChonluten
Chonluten peptide is a short Glu-Asp-Gly tripeptide discussed as a respiratory peptide bioregulator, mainly in lung, bro…
Read the researchCortagen
Cortagen peptide is a synthetic AEDP tetrapeptide, Ala-Glu-Asp-Pro, discussed mainly as a bioregulator peptide in brain …
Read the researchCrystagen
Crystagen peptide is an investigational short peptide bioregulator most often discussed for immune-system and thymus-rel…
Read the researchEpithalon
Epithalon peptide is a synthetic pineal tetrapeptide, also called Epitalon or AEDG, studied for telomere biology, telome…
Read the researchLivagen
Livagen peptide is a synthetic tetrapeptide most often described by the amino acid sequence Lys-Glu-Asp-Ala, also abbrev…
Read the researchPancragen
Pancragen peptide is a synthetic tetrapeptide bioregulator studied for pancreatic cell function, glucose metabolism, ins…
Read the researchWhat Is Vesugen (Lys‑Glu‑Asp)? Mechanism, Uses, Safety
If you’ve been Googling **“What is Vesugen (Lys‑Glu‑Asp)”**, you’re usually looking for three things: what it *actually …
Read the research6 compounds
Brain Health & Nootropics
Cerebrolysin
Cerebrolysin peptide is a porcine brain-derived mixture of peptide fragments and amino acids studied mainly in neurologi…
Read the researchDSIP
DSIP peptide is an investigational sleep-related nonapeptide, also known as delta sleep-inducing peptide, first describe…
Read the researchPE-22-28 Peptide (Mini-Spadin)
PE-22-28 peptide is an investigational spadin-related peptide fragment discussed for TREK-1 potassium channel research, …
Read the researchSelank Peptide Guide
Selank peptide is a synthetic heptapeptide and tuftsin analog studied for anxiolytic, nootropic, and neuroimmune effects…
Read the researchSemax
Semax peptide is a synthetic ACTH-fragment neuropeptide studied for nootropic, neuroprotective, and stroke-related effec…
Read the researchWhat Is Neuroxelin? Ingredients, Uses, and Safety
If you searched **“What is Neuroxelin”** (often typed without the question mark), you’re likely trying to figure out one…
Read the research11 compounds
Growth Hormone & Performance
CJC-1295 DAC
CJC-1295 DAC peptide is a long-acting synthetic analog of growth hormone-releasing hormone that has been studied for sti…
Read the researchCJC-1295 No DAC
CJC-1295 No DAC peptide is a synthetic GHRH analog discussed for its relationship to pituitary growth hormone release an…
Read the researchGHRP-6
GHRP-6 peptide is a synthetic growth hormone-releasing peptide studied for its ability to stimulate GH release through t…
Read the researchIGF-1 LR3
IGF-1 LR3 peptide is a modified analog of insulin-like growth factor-1 developed for research around IGF-1 receptor acti…
Read the researchIpamorelin
Ipamorelin peptide is a synthetic growth hormone secretagogue that mimics ghrelin signaling and stimulates growth hormon…
Read the researchPEG-MGF
PEG-MGF peptide is a synthetic, PEGylated mechano growth factor–related peptide discussed for muscle repair and regenera…
Read the researchSermorelin
Sermorelin peptide is a synthetic GHRH analog that signals the pituitary gland to release growth hormone, making it diff…
Read the researchTesamorelin
Tesamorelin peptide is a synthetic growth hormone–releasing hormone analog that stimulates the pituitary gland to releas…
Read the researchWhat Is GHRP-2? Benefits, Risks & Alternatives
If you’ve been asking **“What is GHRP-2?”**, you’re not alone. In peptide communities, **GHRP‑2** (sometimes written as …
Read the researchWhat is HGH 191AA? Benefits, Risks & Safety Basics
If you’re Googling **“What is HGH 191AA”**, you’re probably trying to decode a label, understand what “191AA” actually m…
Read the researchWhat is MGF? Mechanism, Benefits & Safety Guide
MGF peptide is an investigational, IGF-1 splice-variant–related peptide discussed mostly in muscle growth and muscle rep…
Read the research3 compounds
Skin & Cosmetic
GHK-Cu
GHK-Cu peptide is a copper-bound form of the tripeptide glycyl-L-histidyl-L-lysine that is studied mainly for skin biolo…
Read the researchMelanotan II
Melanotan-II peptide is an unapproved synthetic alpha-MSH analog studied for melanocortin receptor effects, including sk…
Read the researchSNAP-8
SNAP-8 peptide is a topical synthetic peptide, commonly listed as acetyl octapeptide-3, used in cosmetic skincare formul…
Read the research7 compounds
Hormonal & Sexual Health
Gonadorelin
Gonadorelin peptide is synthetic GnRH, a reproductive peptide hormone that signals the anterior pituitary to release LH …
Read the researchHMG Peptide Guide
**HMG peptide** is a search term for human menopausal gonadotropin, or menotropins, a prescription gonadotropin hormone …
Read the researchKisspeptin
Kisspeptin peptide is a reproductive hormone-signaling peptide that helps stimulate GnRH neurons and downstream LH and F…
Read the researchOxytocin
Oxytocin peptide is a naturally produced peptide hormone and neuropeptide that is also available as a prescription oxyto…
Read the researchPT-141
PT-141 peptide is bremelanotide, a synthetic melanocortin receptor agonist approved by the FDA as Vyleesi for acquired, …
Read the researchWhat Is HCG? Uses, Benefits, Risks (Evidence-Based)
If you searched **“What is HCG”**, you’re likely seeing wildly different answers—pregnancy hormone, fertility “trigger s…
Read the researchWhat Is Prostamax? KEDP Peptide Explained (2026)
Prostamax peptide is a synthetic tetrapeptide, also called KEDP or Lys-Glu-Asp-Pro, studied mainly as a prostate-focused…
Read the research3 compounds
Immune & Inflammation
KPV
KPV peptide is a three-amino-acid peptide, Lys-Pro-Val, studied mainly for anti-inflammatory activity related to alpha-M…
Read the researchLL-37
LL-37 peptide is a human cathelicidin antimicrobial peptide studied for host defence, antimicrobial effects, immune resp…
Read the researchThymosin Alpha-1
Thymosin Alpha-1 peptide is an immune-modulating 28-amino acid peptide, also called thymalfasin, studied for effects on …
Read the research3 compounds
Longevity & Mitochondrial Health
MOTS-c
MOTS-c peptide is a mitochondrial-derived peptide encoded in mitochondrial DNA and studied mainly for metabolism, AMPK s…
Read the researchNAD+
NAD+ peptide is a popular but technically inaccurate term for NAD+, a coenzyme involved in cellular metabolism, mitochon…
Read the researchSS-31
SS-31 peptide is a mitochondria-targeted tetrapeptide better known in clinical literature as elamipretide. It is studied…
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