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Every peptide, explained simply

A free reference for 66 peptides: what each one is, how it works and what people track — in plain English, with a 3D vial for every entry.

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Aesthetics

2 peptides

Melanotan IAlpha-MSH analog. Slower, milder tanning effect than MT-II with fewer … Melanotan IISynthetic analog of alpha-MSH. Induces melanogenesis for skin tanning.…

Cognitive / Nootropic

10 peptides

CerebrolysinComplex of neuropeptides derived from porcine brain. Used for stroke r… CortagenShort brain-tissue-derived bioregulator peptide. Promotes cortical rep… DIHEXANeurogenic peptide. Promotes synapse formation, potent cognitive enhan… DSIPDelta Sleep-Inducing Peptide. Promotes deep sleep and stress resistanc… N-Acetyl-SelankAcetylated Selank variant. Anxiolytic and enkephalin-modulating with i… N-Acetyl-SemaxAcetylated variant of Semax with improved bioavailability. Potent BDNF… OxytocinThe bonding hormone. Injectable form used for anxiety, social bonding,… P21 (SNK-2)Ciliary neurotrophic factor mimetic. Promotes adult neurogenesis and m… SelankAnxiolytic peptide developed in Russia. Reduces anxiety without sedati… SemaxNeuroprotective peptide. Enhances BDNF, memory, and focus.…

Fat Loss

3 peptides

Adipotide (FTPP)Prohibitin-targeted peptide. Selectively destroys blood supply to adip… AOD-9604Modified GH fragment. Lipolytic without affecting glucose or IGF-1.… HGH Fragment 176-191GH fragment isolated for fat loss without affecting blood sugar or IGF…

Growth Hormone

10 peptides

CJC-1295 (no DAC)Growth Hormone Releasing Hormone (GHRH) analog. Short half-life (~30 m… CJC-1295 with DACLong-acting GHRH analog with Drug Affinity Complex. Half-life ~8 days,… GHRP-2Second-gen growth hormone releasing peptide. Stronger GH release than … GHRP-6First-gen GH secretagogue. Strong GH release with pronounced appetite … HexarelinMost potent GHRP by mg. Strong GH pulse but higher desensitization ris… IpamorelinSelective GH secretagogue that stimulates natural growth hormone relea… MK-677 (Ibutamoren)Oral, non-peptide ghrelin agonist. Elevates GH and IGF-1 24/7. Include… Modified GRF 1-29Also called Mod GRF or CJC-1295 (no DAC). Stable GHRH fragment paired … SermorelinGHRH (1-29) analog. Stimulates pituitary to release natural growth hor… TesamorelinGHRH analog specifically FDA-approved for visceral fat reduction.…

Healing & Recovery

6 peptides

BPC-157Body Protection Compound derived from human gastric juice. Known for a… KLOW BlendGut-healing peptide blend combining KPV, LL-37, BPC-157 and Larazotide… KPVAlpha-MSH tripeptide with strong anti-inflammatory action. Great for g… LarazotideTight-junction regulator peptide. Reduces leaky gut and celiac-trigger… TB-500Synthetic version of Thymosin Beta-4. Promotes cell migration, tissue … Wolverine BlendIconic soft-tissue recovery blend combining BPC-157 and TB-500 in one …

Hormone Support

3 peptides

GonadorelinGnRH analog. Stimulates natural LH/FSH release. Modern alternative to … HCGHuman Chorionic Gonadotropin. Mimics LH, stimulates testosterone and p… Kisspeptin-10Stimulates GnRH release, restarting the natural LH/FSH axis. Used post…

Immune

5 peptides

LivagenShort peptide bioregulator derived from spleen tissue. Modulates lymph… LL-37Cathelicidin antimicrobial peptide. Anti-bacterial, anti-viral, and im… ThymalinBioregulator peptide from thymus. Immune balance and anti-aging.… Thymosin Alpha-1Immune-modulating peptide. Enhances T-cell function and immune respons… VIPVasoactive Intestinal Peptide. Immune modulation, often used for CIRS/…

Libido / Sexual Health

1 peptide

PT-141 (Bremelanotide)Melanocortin receptor agonist. Enhances sexual desire and arousal in m…

Longevity

10 peptides

EpithalonTetrapeptide that activates telomerase, extending telomeres. Longevity… FOXO4-DRISenolytic peptide. Selectively kills senescent (zombie) cells to slow … GlutathioneThe body's master antioxidant tripeptide (Gly-Cys-Glu). Detoxifies fre… Goralatide (Ac-SDKP)Natural tetrapeptide from thymosin-β4. Regulates hematopoietic stem ce… HumaninMitochondrial-derived peptide with neuroprotective and metabolic benef… KlothoAging-suppressor hormone. Reduced levels correlate with accelerated ag… NAD+ (Nicotinamide Adenine Dinucleotide)Essential cofactor in mitochondrial energy production and DNA repair. … PinealonKhavinson bioregulator tripeptide. Neuroprotective and anti-aging for … SS-31 (Elamipretide)Mitochondrial-targeted peptide. Restores cardiolipin, boosts ATP, and … VilonDipeptide bioregulator (Lys-Glu). Modulates immune, cardiovascular, an…

Metabolic

1 peptide

MOTS-cMitochondrial-derived peptide that regulates metabolism, insulin sensi…

Metabolic / Weight Loss

6 peptides

CagrilintideLong-acting amylin analog. Suppresses appetite and slows gastric empty… EloralintideSelective long-acting amylin receptor agonist (Lilly, LY3841136). Once… RetatrutideTriple agonist (GLP-1, GIP, Glucagon). Investigational — most powerful… SemaglutideGLP-1 receptor agonist. Reduces appetite, improves glucose control, an… SurvodutideDual GLP-1 and glucagon receptor agonist. Aggressive fat loss + energy… TirzepatideDual GIP and GLP-1 receptor agonist. Produces superior weight loss and…

Muscle / Growth

5 peptides

5-Amino-1MQSelective NNMT enzyme inhibitor. Reallocates methyl donors to preserve… Follistatin 344Myostatin inhibitor. Allows muscle to grow past natural genetic limits… IGF-1 DESTruncated IGF-1 with strong local action. Bind-and-go at injection sit… IGF-1 LR3Long-acting insulin-like growth factor. Promotes hyperplasia (new musc… PEG-MGFPegylated Mechano Growth Factor. Long-acting muscle repair peptide.…

Skin & Anti-aging

4 peptides

Argireline (Acetyl Hexapeptide-3)SNAP-25 receptor mimetic. Reduces expression-line contractions similar… GHK-CuCopper peptide with regenerative properties. Improves skin, hair, and … GLOW BlendPopular skin & anti-aging blend combining GHK-Cu, BPC-157 and TB-500 i… Snap-8 (Acetyl Octapeptide-3)Extended-chain Argireline analog. Superior wrinkle reduction with long…