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    § Library60 entries

    The peptide library.

    60 validated RUO peptide protocols — cited reference ranges, reconstitution math, and sources. Free to read, no signup.


    Research Use Only. PeptiJournal supports private research documentation and calculation support. It does not provide medical advice, human-use directions, or claims of safety or effectiveness.

    All library entries

    Weight Loss4 tags

    5-Amino-1MQ

    5-Amino-1-Methylquinolinium

    A small molecule that inhibits NNMT enzyme to enhance cellular metabolism and fat loss.


    Range
    2.5–5 mg
    Freq
    daily
    Cycle
    8 wk
    Weight Loss

    Adipotide

    Adipotide is a synthetic peptidomimetic that targets prohibitin on blood vessels within white adipose tissue and delivers a pro‑apoptotic sequence to destroy those vessels[1][2], resulting in targe...


    Range
    250–1000 mcg
    Freq
    daily
    Cycle
    8 wk
    Weight Loss

    AICAR

    AICAR (5-aminoimidazole-4-carboxamide ribonucleoside) is a research compound that activates AMP-activated protein kinase (AMPK)[1], earning the nickname “exercise pill” after studies showed sedenta...


    Range
    1–5 mg
    Freq
    daily
    Cycle
    12 wk
    Weight Loss3 tags

    AOD-9604

    Modified Growth Hormone Fragment

    A modified fragment of growth hormone that promotes fat loss without affecting blood sugar or growth.


    Range
    250–500 mcg
    Freq
    daily
    Cycle
    8 wk
    Uncategorized

    Ara-290

    Ara-290 (cibinetide) is an 11–amino acid non-erythropoietic peptide derived from erythropoietin’s helix-B domain[1]. It selectively activates the innate repair receptor (IRR), an EPOR/CD131 heterod...


    Range
    2–4 mg
    Freq
    daily
    Cycle
    8 wk
    Healing4 tags

    BPC-157

    Body Protection Compound-157

    A synthetic peptide derived from a protective protein found in the stomach. Known for its healing and regenerative properties.


    Range
    250–500 mcg
    Freq
    daily
    Cycle
    6 wk
    Weight Loss

    Cagrilintide

    Cagrilintide is a long‑acting acylated analogue of the pancreatic hormone amylin, designed for once‑weekly subcutaneous administration[1]. It activates central amylin receptors to promote satiety, ...


    Range
    0.6–4.5 mg
    Freq
    weekly
    Cycle
    16 wk
    Longevity

    Cartalax

    Cartalax is a synthetic tripeptide bioregulator (Ala‑Glu‑Asp; sequence “AED”) developed by Prof. Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology[1]. Preclinical ...


    Range
    2–5 mg
    Freq
    daily
    Cycle
    16 wk
    Cognitive

    Cerebrolysin

    Cerebrolysin is a porcine brain‑derived peptide preparation containing low‑molecular‑weight neuropeptides and free amino acids that crosses the blood–brain barrier to support neuronal survival[1]. ...


    Range
    20–32 mg
    Freq
    daily
    Cycle
    16 wk
    Longevity

    Chonluten

    Chonluten is a short bioregulatory tripeptide (Glu‑Asp‑Gly) studied for its effects on bronchopulmonary tissue and inflammatory pathways in monocyte/macrophage cell models[1]. As a small peptide wi...


    Range
    250–4000 mcg
    Freq
    daily
    Cycle
    16 wk
    Growth Hormone4 tags

    CJC-1295

    Growth Hormone Releasing Hormone Analog

    A long-acting GHRH analog that increases GH and IGF-1 levels with extended half-life.


    Range
    100–300 mcg
    Freq
    daily
    Cycle
    12 wk
    Growth Hormone

    CJC-1295 DAC

    CJC-1295 DAC dosage protocols leverage this long-acting growth hormone-releasing hormone (GHRH) analog’s unique albumin-binding technology, which extends its half-life to approximately 6–8 days[1][...


    Range
    1–2 mg
    Freq
    weekly
    Cycle
    12 wk
    Growth Hormone

    CJC-1295 NO DAC

    CJC-1295 NO DAC dosage protocols leverage this synthetic 29‑amino‑acid GHRH analog (also known as Modified GRF 1–29 or Mod GRF) to stimulate natural, pulsatile growth hormone secretion from the pit...


    Range
    100–300 mcg
    Freq
    daily
    Cycle
    16 wk
    Longevity

    Cortagen

    Cortagen dosage protocols are designed around this synthetic tetrapeptide (Ala-Glu-Asp-Pro) that belongs to the Khavinson bioregulator class, studied for its neuroprotective and neuroregenerative p...


    Range
    1–2 mg
    Freq
    daily
    Cycle
    8 wk
    Cognitive

    DSIP

    Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring nonapeptide (9 amino acids) first isolated from rabbit brain tissue and studied for its effects on sleep architecture and stress modulat...


    Range
    100–300 mcg
    Freq
    daily
    Cycle
    12 wk
    Longevity

    Epitalon (Epithalon)

    Epitalon (Epithalon) dosage protocols center on this synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed from pineal gland research for its geroprotective potential[1]. Epitalon activates telomerase...


    Range
    5–10 mg
    Freq
    daily for cycles
    Cycle
    3 wk
    Longevity

    FOXO4-DRI

    FOXO4-DRI (also known as Proxofim) is a synthetic D-retro-inverso peptide designed to selectively induce apoptosis in senescent cells by disrupting the FOXO4–p53 protein interaction[1][2]. When thi...


    Range
    250–500 mcg
    Freq
    daily
    Cycle
    16 wk
    Healing4 tags

    GHK-Cu

    Copper Peptide

    A naturally occurring copper complex that promotes healing, collagen synthesis, and tissue remodeling.


    Range
    1–3 mg
    Freq
    daily
    Cycle
    8 wk
    Growth Hormone

    GHRP-2

    GHRP-2 (Growth Hormone-Releasing Peptide-2) is a synthetic hexapeptide that stimulates potent, dose-dependent growth hormone release by activating ghrelin receptors[1]. Clinical studies predominant...


    Range
    100–300 mcg
    Freq
    daily
    Cycle
    16 wk
    Growth Hormone

    GHRP-6

    GHRP-6 (Growth Hormone-Releasing Peptide 6) is a synthetic hexapeptide that functions as a potent growth hormone secretagogue by binding to the ghrelin receptor (GHS-R1a)[1][2]. It stimulates pulsa...


    Range
    300–900 mcg
    Freq
    daily
    Cycle
    12 wk
    Longevity

    Glutathione

    Glutathione dosage protocols leverage this master antioxidant tripeptide (γ-L-glutamyl-L-cysteinyl-glycine) to support cellular detoxification, reduce oxidative stress, and maintain redox balance t...


    Range
    100–200 mg
    Freq
    daily for cycles
    Cycle
    8 wk
    Fertility

    Gonadorelin

    Gonadorelin dosage supports the restoration of natural LH and FSH release from the pituitary gland, reactivating the hypothalamic‑pituitary‑gonadal (HPG) axis[1]. As a synthetic form of gonadotropi...


    Range
    50–200 mcg
    Freq
    daily for cycles
    Cycle
    8 wk
    Fertility

    HCG

    Human Chorionic Gonadotropin (HCG) is a glycoprotein hormone that mimics luteinizing hormone (LH) by binding to LH receptors in the gonads[1]. With a 36‑hour half‑life (compared to LH’s 30 minutes)...


    Range
    500–2500 mcg
    Freq
    daily for cycles
    Cycle
    16 wk
    Growth Hormone

    HGH 191AA

    HGH 191AA is recombinant human growth hormone (somatropin) identical to endogenous GH, studied extensively for its effects on body composition, metabolism, and tissue repair[1][7]. Clinical protoco...


    Range
    150–2000 mcg
    Freq
    daily
    Cycle
    16 wk
    Fertility

    HMG

    Human Menopausal Gonadotropin (HMG) is a purified gonadotropin preparation containing equal amounts of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) activity[1][2]. In males, HMG ...


    Range
    75–75 mcg
    Freq
    daily for cycles
    Cycle
    16 wk
    Growth Hormone

    IGF-1 LR3

    IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1) is a modified analog of human IGF-1 with significantly extended half-life, studied for its anabolic and metabolic effects[1]. This synthetic variant...


    Range
    20–50 mcg
    Freq
    daily
    Cycle
    12 wk
    Growth Hormone4 tags

    Ipamorelin

    Growth Hormone Secretagogue

    A selective growth hormone secretagogue that stimulates GH release without affecting cortisol or prolactin.


    Range
    200–300 mcg
    Freq
    daily
    Cycle
    8 wk
    Sexual Health

    Kisspeptin

    Kisspeptin (also known as metastin) is a naturally occurring neuroendocrine peptide that plays a pivotal role in human reproduction by stimulating gonadotropin-releasing hormone (GnRH) secretion[1]...


    Range
    100–200 mcg
    Freq
    daily
    Cycle
    12 wk
    Healing

    KPV

    KPV (Lysine–Proline–Valine) is a C‑terminal tripeptide fragment of α‑melanocyte‑stimulating hormone (α‑MSH) studied for its potent anti‑inflammatory properties without melanotropic side effects[1][...


    Range
    200–500 mcg
    Freq
    daily
    Cycle
    12 wk
    Weight Loss

    L-Carnitine

    L-Carnitine is an amino acid derivative essential for fatty acid transport into mitochondria, where it facilitates β-oxidation and energy production[1]. Subcutaneous administration bypasses intesti...


    Range
    50–100 mg
    Freq
    daily
    Cycle
    12 wk
    Longevity

    Livagen

    Livagen (Lys-Glu-Asp-Ala) is a synthetic tetrapeptide bioregulator studied for its effects on peptidase inhibition and epigenetic modulation in aging tissues[1][4]. Preclinical research demonstrate...


    Range
    0.5–2 mg
    Freq
    daily
    Cycle
    16 wk
    Healing

    LL-37

    LL-37 (also known as CAP-18) is a 37-amino-acid cationic antimicrobial peptide derived from the C-terminal of human cathelicidin (hCAP18)[1]. It is the only known human cathelicidin, exhibiting bro...


    Range
    50–400 mcg
    Freq
    daily
    Cycle
    16 wk
    Weight Loss

    Mazdutide

    Mazdutide (IBI362) is a long‑acting dual GLP‑1/glucagon receptor agonist developed for chronic weight management and type 2 diabetes.[1][2] Phase 2 and 3 clinical trials have demonstrated substanti...


    Range
    2.5–6 mg
    Freq
    weekly
    Cycle
    12 wk
    Sexual Health

    Melanotan II

    Melanotan II is a synthetic analog of α-melanocyte-stimulating hormone studied for its ability to increase skin pigmentation and noted for inducing erectile activity as a side effect[1]. Early huma...


    Range
    500–1000 mcg
    Freq
    twice weekly
    Cycle
    8 wk
    Healing

    MGF

    Mechano Growth Factor (MGF) is a splice variant of IGF‑1 (IGF‑1Ec in humans) produced in response to mechanical stress and tissue damage[1][2]. Research indicates MGF plays a role in muscle repair,...


    Range
    100–300 mcg
    Freq
    daily
    Cycle
    16 wk
    Weight Loss

    MOTS-C

    MOTS-C is a 16‑amino-acid mitochondrial‑derived peptide encoded in the mtDNA 12S rRNA region[1][2]. Discovered in 2015, it enhances metabolic homeostasis through AMPK activation[1][3], increases sh...


    Range
    500–2000 mcg
    Freq
    daily for cycles
    Cycle
    8 wk
    Longevity

    NAD+

    NAD+ (nicotinamide adenine dinucleotide) is a critical coenzyme involved in cellular energy metabolism, DNA repair, and mitochondrial function[1]. Clinical research has primarily employed intraveno...


    Range
    50–100 mg
    Freq
    daily
    Cycle
    16 wk
    Fertility

    Oxytocin

    Oxytocin is a peptide hormone (nonapeptide) known for its role in childbirth and lactation, and it also influences social bonding and behavior[1]. In research settings, synthetic oxytocin is used t...


    Range
    100–500 mcg
    Freq
    daily
    Cycle
    16 wk
    Cognitive

    PE-22-28

    PE-22-28 is a synthetic heptapeptide (sequence: GVSWGLR) derived from the sortilin propeptide, engineered as a potent and selective antagonist of TREK-1 potassium channels[4]. Preclinical studies d...


    Range
    50–200 mcg
    Freq
    daily
    Cycle
    16 wk
    Healing

    PEG MGF

    PEG MGF is a pegylated variant of mechano-growth factor, a muscle-derived IGF-1 splice isoform that is upregulated after mechanical stress or injury[2]. The unique C-terminal E peptide of MGF activ...


    Range
    200–500 mcg
    Freq
    daily
    Cycle
    16 wk
    Cognitive

    Pinealon

    Pinealon is a synthetic tripeptide bioregulator (Glu‑Asp‑Arg) developed as part of Professor Vladimir Khavinson’s extensive peptide research program[1][2]. This neuroprotective peptide is studied f...


    Range
    1–2 mg
    Freq
    daily
    Cycle
    4 wk
    Healing

    PNC-27

    PNC-27 is a synthetic 32‑amino‑acid peptide containing an HDM‑2‑binding domain linked to a membrane‑penetrating sequence, studied preclinically for its selective cytotoxicity toward cancer cells ex...


    Range
    100–500 mcg
    Freq
    daily
    Cycle
    16 wk
    Longevity

    Prostamax

    Prostamax is a synthetic tetrapeptide bioregulator (Lys-Glu-Asp-Pro / KEDP) derived from prostate tissue peptide complex research[1][2]. Short peptides of this class have been studied for their abi...


    Range
    500–1000 mcg
    Freq
    daily
    Cycle
    16 wk
    Sexual Health

    PT-141

    PT-141 (bremelanotide) is a synthetic cyclic heptapeptide and non-selective melanocortin receptor agonist (MC3R/MC4R) derived as an active metabolite of Melanotan II[1]. FDA-approved in 2019 for hy...


    Range
    500–1500 mcg
    Freq
    daily
    Cycle
    16 wk
    Weight Loss

    Retatrutide

    Retatrutide is an investigational triple-receptor agonist peptide (targets GLP-1, GIP, and glucagon receptors) under development for obesity and type 2 diabetes[1][2]. Phase 2 trials demonstrated r...


    Range
    2–12 mg
    Freq
    weekly
    Cycle
    48 wk
    Cognitive4 tags

    Selank

    Modified Tuftsin

    An anxiolytic peptide that reduces anxiety while enhancing cognitive performance without sedation.


    Range
    250–500 mcg
    Freq
    daily
    Cycle
    4 wk
    Weight Loss3 tags

    Semaglutide

    GLP-1 Receptor Agonist

    A glucagon-like peptide-1 (GLP-1) receptor agonist used for weight management and glucose control.


    Range
    0.25–2.4 mg
    Freq
    weekly
    Cycle
    16 wk
    Cognitive4 tags

    Semax

    ACTH Analog

    A synthetic peptide analog of ACTH that enhances cognitive function and provides neuroprotection.


    Range
    300–600 mcg
    Freq
    daily
    Cycle
    4 wk
    Growth Hormone4 tags

    Sermorelin

    Growth Hormone Releasing Hormone Analog

    A synthetic GHRH that stimulates natural GH production from the pituitary gland.


    Range
    200–500 mcg
    Freq
    daily
    Cycle
    12 wk
    Weight Loss

    SLU-PP-332

    PRECLINICAL RESEARCH COMPOUND: SLU-PP-332 is a synthetic pan-agonist of estrogen-related receptors (ERRα/β/γ) studied exclusively in murine models for its ability to activate an aerobic-exercise ge...


    Range
    1.25–2.5 mg
    Freq
    daily
    Cycle
    6 wk
    Longevity

    SNAP-8

    SNAP-8 (Acetyl Octapeptide-3) is a synthetic octapeptide originally developed as a cosmeceutical ingredient for anti-wrinkle effects[1][2]. It is an extended analog of the hexapeptide Argireline, d...


    Range
    330–1000 mcg
    Freq
    daily
    Cycle
    12 wk
    Longevity

    SS-31

    SS‑31 (elamipretide) is a mitochondria‑targeted tetrapeptide that selectively binds cardiolipin in the inner mitochondrial membrane[1], stabilizing electron transport chain complexes and reducing r...


    Range
    5–20 mg
    Freq
    daily
    Cycle
    12 wk
    Weight Loss

    Survodutide

    Survodutide (BI 456906) is an investigational dual GLP‑1/glucagon receptor agonist under development for obesity and metabolic liver disease[1][2]. In phase 2 trials, once‑weekly subcutaneous dosin...


    Range
    0.6–6 mg
    Freq
    weekly
    Cycle
    16 wk
    Healing4 tags

    TB-500

    Thymosin Beta-4

    A naturally occurring peptide present in almost all cells. Promotes healing, recovery, and flexibility.


    Range
    500–1000 mcg
    Freq
    daily
    Cycle
    12 wk
    Growth Hormone3 tags

    Tesamorelin

    Growth Hormone Releasing Hormone Analog

    A GHRH analog that specifically reduces visceral adipose tissue while increasing IGF-1.


    Range
    1–2 mg
    Freq
    daily
    Cycle
    12 wk
    Longevity

    Testagen

    Testagen is a synthetic tetrapeptide with the sequence Lys‑Glu‑Asp‑Gly (KEDG), an anterior pituitary‑derived bioregulator studied for its role in modulating endocrine function, particularly the pit...


    Range
    100–300 mcg
    Freq
    daily
    Cycle
    16 wk
    Immune

    Thymosin Alpha-1

    Thymosin Alpha-1 (Tα1) is a 28–amino acid peptide originally isolated from the thymus gland, recognized for its broad immunomodulatory properties[1]. It has been investigated as an immune enhancer ...


    Range
    300–500 mcg
    Freq
    daily
    Cycle
    16 wk
    Weight Loss3 tags

    Tirzepatide

    Dual GIP/GLP-1 Receptor Agonist

    A dual agonist targeting both GIP and GLP-1 receptors for enhanced metabolic effects.


    Range
    2.5–15 mg
    Freq
    weekly
    Cycle
    16 wk
    Longevity

    Vesugen (Lys-Glu-Asp)

    Vesugen (Lys-Glu-Asp, also known as KED) is a tripeptide bioregulator synthesized at the Saint Petersburg Institute of Bioregulation and Gerontology[1]. Research suggests it may support vascular en...


    Range
    500–2000 mcg
    Freq
    daily
    Cycle
    16 wk
    Longevity

    Vilon

    Vilon (Lys‑Glu) is a synthetic immunoregulatory dipeptide consisting of lysine and glutamic acid residues[1]. Preclinical research indicates it may enhance immune markers including CD5+ lymphocytes...


    Range
    67–667 mcg
    Freq
    daily for cycles
    Cycle
    16 wk