The peptide database

5-amino-1-methylquinolinium iodide · 5A1MQ

Oral NNMT inhibitor aimed at fat-cell metabolism and NAD+ salvage. Mouse data only.

Dose: 50–150 mg
Frequency: once daily
Half-life: —

ACE-031

Ramatercept · ActRIIB-Fc

Myostatin and activin decoy receptor; human trials were halted over bleeding side effects.

Dose: 1–3 mg
Frequency: Once weekly
Half-life: 12.5 days

AOD-9604

AOD9604 · Tyr-hGH(177-191)

Modified hGH tail fragment sold for lipolysis without the IGF-1 rise of growth hormone.

Dose: 250–500 mcg
Frequency: once daily
Half-life: 3 min

ARA-290

Cibinetide · pHBSP

EPO-derived peptide targeting the innate repair receptor, trialled for small-fibre neuropathy.

Dose: 1–4 mg
Frequency: once daily
Half-life: 20 min

BPC-157

PL 14736 · PL-10

Gastric-juice-derived pentadecapeptide studied for tendon, ligament and gut healing.

Dose: 200–500 mcg
Frequency: 1x daily (some split into 2x daily during an acute injury)
Half-life: 15 min

Cagrilintide

AM833 · Cagri

Long-acting amylin analogue run weekly for satiety, usually alongside a GLP-1.

Dose: 0.3–4.5 mg
Frequency: once weekly
Half-life: 6.6 days

Cerebrolysin

FPF-1070 · Cerebrolysin concentrate

Porcine brain peptide mixture with the strongest human trial data of any nootropic peptide.

Dose: 215–2152 mg
Frequency: Once daily, 5 days per week
Half-life: —

CJC-1295 no-DAC

Mod GRF 1-29 · Modified GRF (1-29)

Short-acting GHRH fragment that sharpens one GH pulse, almost always run with a GHRP.

Dose: 50–200 mcg
Frequency: 1-3x daily
Half-life: 30 min

CJC-1295 with DAC

CJC-1295 DAC · DAC:GRF

Albumin-binding GHRH analogue that lifts GH and IGF-1 for days from one injection.

Dose: 500–1000 mcg
Frequency: 1-2x weekly
Half-life: 7 days

Dihexa

PNB-0408 · N-hexanoyl-Tyr-Ile-aminohexanoic amide

Angiotensin IV analogue promoted for synapse growth; potent in rodents, unproven in humans.

Dose: 5–20 mg
Frequency: Once daily, or every other day given the long residence time
Half-life: —

Epitalon

Epithalon · Epithalone

Pineal-derived tetrapeptide studied for telomerase activation and circadian regulation.

Dose: 5–10 mg
Frequency: Once daily during a course
Half-life: —

Follistatin 344

FST-344 · FS-344

Activin- and myostatin-binding protein run in short daily courses; data are animal-only.

Dose: 50–200 mcg
Frequency: Once daily
Half-life: 1 h

GHK-Cu

Copper tripeptide-1 · Copper peptide

Copper-carrying tripeptide studied for collagen synthesis, wound repair and skin remodelling.

Dose: 1–3 mg
Frequency: 1x daily
Half-life: —

GHRP-2

Pralmorelin · KP-102

Potent, well-studied GHRP with a bigger pulse than ipamorelin and more cortisol.

Dose: 100–300 mcg
Frequency: 2-3x daily
Half-life: —

GHRP-6

SK&F 110679 · GHRP

The original GHRP: solid GH release and the strongest hunger response of the group.

Dose: 100–300 mcg
Frequency: 2-3x daily
Half-life: 2.5 h

Gonadorelin

GnRH · LHRH

Native GnRH decapeptide, now the usual compounded stand-in for hCG on TRT.

Dose: 100–400 mcg
Frequency: 1-2x daily
Half-life: 4 min

hCG

HCG · Chorionic Gonadotropin

LH-mimic that keeps the testes producing while exogenous androgens shut the axis down.

Dose: 125–4000 IU
Frequency: Every other day, or 2-3x per week
Half-life: 23 h

Hexarelin

Examorelin · Hex

The most potent GHRP, and the fastest to stop working if you run it continuously.

Dose: 50–200 mcg
Frequency: 1-2x daily
Half-life: 55 min

HGH

Somatropin · rhGH

Recombinant human growth hormone, the reference compound every GH peptide tries to imitate.

Dose: 1–6 IU
Frequency: Once daily, split into two injections above about 4 IU
Half-life: 3 h

HGH Fragment 176-191

HGH Frag · Frag 176-191

The C-terminal tail of growth hormone, sold for fat loss on almost entirely rodent evidence.

Dose: 125–500 mcg
Frequency: Once daily, fasted (many split it into two 250 mcg doses)
Half-life: —

hMG

HMG · Menotropin

Urine-derived FSH plus LH activity, added to hCG when sperm counts will not recover.

Dose: 75–150 IU
Frequency: 3x per week
Half-life: —

Humanin

HN · MT-RNR2 peptide

First mitochondrial-derived peptide discovered, studied for cytoprotection and metabolism.

Dose: 0.5–2 mg
Frequency: 3x per week
Half-life: —

IGF-1 DES

DES(1-3)IGF-1 · IGF-1 DES(1-3)

Truncated IGF-1 analogue with roughly 10x potency and a 20-30 minute window of action.

Dose: 50–150 mcg
Frequency: Once daily
Half-life: 24 min

IGF-1 LR3

Long R3 IGF-1 · LR3 IGF-1

Modified IGF-1 that evades its binding proteins, making it far more potent than the native hormone.

Dose: 20–80 mcg
Frequency: Once daily
Half-life: —

Ipamorelin

NNC 26-0161 · Ipam

The selective GHRP: a clean GH pulse with almost no cortisol, prolactin or hunger.

Dose: 100–400 mcg
Frequency: 1-3x daily
Half-life: 2 h

Kisspeptin-10

KP-10 · Kp-10

Upstream GnRH trigger — the switch that makes the hypothalamus fire and the pituitary release LH.

Dose: 10–100 mcg
Frequency: 3x weekly on non-consecutive days
Half-life: 4 min

KPV

Lys-Pro-Val · alpha-MSH (11-13)

Tripeptide tail of alpha-MSH used to damp gut and skin inflammation.

Dose: 250–1000 mcg
Frequency: 1x daily
Half-life: —

Liraglutide

Lira · Victoza

Daily first-generation GLP-1 agonist; weaker and more injection-heavy than the weekly analogues.

Dose: 0.6–3 mg
Frequency: Once daily
Half-life: 13 h

LL-37

Cathelicidin LL-37 · hCAP-18/LL-37

The only human cathelicidin: broad antimicrobial and biofilm-disrupting innate immune peptide.

Dose: 100–500 mcg
Frequency: once daily
Half-life: —

Melanotan I

Sexual Health

MT-1 · MT-I

Tanning-focused melanocortin agonist — the pigment of MT-II with far less nausea or erections.

Dose: 250–1000 mcg
Frequency: Daily during the 10-14 day loading phase, then 1-2x weekly for maintenance
Half-life: 1 h

Melanotan II

Sexual Health

MT-2 · MT-II

Non-selective melanocortin agonist for deep tanning, with libido and nausea along for the ride.

Dose: 100–1000 mcg
Frequency: Daily during the loading phase, then 1-2x weekly for maintenance
Half-life: —

MK-677

Ibutamoren mesylate · MK-0677

Oral ghrelin mimetic that raises GH and IGF-1 for a full 24 hours from one daily dose.

Dose: 5–25 mg
Frequency: Once daily
Half-life: 6 h

MOTS-c

MOTSc · Mitochondrial-derived peptide MOTS-c

Mitochondrial-encoded peptide studied for insulin sensitivity and exercise capacity.

Dose: 2.5–10 mg
Frequency: 3x per week
Half-life: —

PEG-MGF

Pegylated MGF · MGF

PEGylated IGF-1Ec E-peptide used after training to extend satellite-cell signalling.

Dose: 100–400 mcg
Frequency: 2x weekly
Half-life: —

PT-141

Sexual Health

Bremelanotide · Vyleesi

Melanocortin agonist that works on desire in the brain rather than blood flow in the penis.

Dose: 0.5–2 mg
Frequency: As needed, no more than once in 24 hours and no more than 8 doses per month
Half-life: 2.7 h

Retatrutide

Reta · LY3437943

Investigational weekly triple GIP/GLP-1/glucagon agonist with the largest weight loss seen yet.

Dose: 1–12 mg
Frequency: Once weekly
Half-life: 6 days

Selank

TP-7 · Selank 0.15%

Russian anxiolytic heptapeptide used for anxiety without benzo sedation or dependence.

Dose: 150–900 mcg
Frequency: 2x daily (Russian trials used 3x daily)
Half-life: —

Semaglutide

Sema · Ozempic

Long-acting GLP-1 agonist dosed weekly; the reference compound for appetite-driven fat loss.

Dose: 0.25–2.4 mg
Frequency: Once weekly
Half-life: 7 days

Semax

MEHFPGP · ACTH(4-7)-Pro-Gly-Pro

Russian ACTH-fragment peptide dosed intranasally for focus, drive and neuroprotection.

Dose: 200–600 mcg
Frequency: Once daily, occasionally split AM and early afternoon
Half-life: —

Sermorelin

GRF 1-29 · GHRH (1-29)

The first 29 amino acids of human GHRH, once approved as Geref and now compounded.

Dose: 100–500 mcg
Frequency: once nightly, 5-7 nights per week
Half-life: 12 min

SS-31

Elamipretide · MTP-131

Cardiolipin-binding mitochondrial peptide, FDA-approved as elamipretide for Barth syndrome.

Dose: 5–40 mg
Frequency: Once daily
Half-life: 2 h

Survodutide

BI 456906 · BI-456906

Weekly glucagon/GLP-1 dual agonist that raises energy expenditure as well as cutting appetite.

Dose: 0.3–6 mg
Frequency: once weekly
Half-life: 6 days

TB-500

Thymosin β4 · Tβ4

Actin-regulating thymosin peptide used for soft-tissue repair and range of motion.

Dose: 2–5 mg
Frequency: 2x weekly during loading, then once every 1-2 weeks for maintenance
Half-life: 2 h

Tesamorelin

Egrifta · EGRIFTA SV

The only FDA-approved GHRH analogue, proven to shrink visceral abdominal fat.

Dose: 1–2 mg
Frequency: once daily
Half-life: 8 min

Thymosin Alpha-1

Ta1 · TA-1

Thymic peptide that tunes T-cell function; licensed abroad as thymalfasin for hepatitis B.

Dose: 800–1600 mcg
Frequency: 2x weekly, spaced 3-4 days apart
Half-life: 2 h

Thymulin

FTS · Serum thymic factor

Zinc-dependent thymic nonapeptide studied for T-cell maturation and inflammatory pain.

Dose: 100–500 mcg
Frequency: once daily
Half-life: —

Tirzepatide

Tirz · Mounjaro

Weekly dual GIP/GLP-1 agonist; beats semaglutide on total weight loss in head-to-head data.

Dose: 2.5–15 mg
Frequency: Once weekly
Half-life: 4.9 days

Triptorelin

Trelstar · Decapeptyl

Long-acting GnRH agonist taken as one microdose to fire off a large LH and FSH surge.

Dose: 50–100 mcg
Frequency: Single one-off dose
Half-life: 2.8 h