Peptide Library
Research peptides, organized by what they’re studied for
Every profile covers mechanism, literature-referenced protocols, reconstitution math, storage, and Canadian sourcing — written to be readable by a first-time researcher and rigorous enough for an experienced one. Looking for the GLP-1 compounds? Start at the GLP-1 hub.
65 peptides shown
- Healing & Recovery
BPC-157
Body Protection Compound 157 · Bepecin
A synthetic peptide fragment studied for tissue repair, tendon/ligament and gut healing in animal research.
- Healing & Recovery
TB-500
Thymosin Beta-4 fragment
A synthetic version of a region of Thymosin Beta-4, studied for cell migration, angiogenesis and tissue repair.
- Growth Hormone Secretagogue
CJC-1295
CJC-1295 no-DAC · Mod GRF 1-29 (no-DAC variant)
A growth-hormone-releasing hormone analog studied for stimulating GH release; often blended with Ipamorelin.
- Growth Hormone Secretagogue
Ipamorelin
A selective ghrelin-receptor agonist / GH secretagogue studied for stimulating GH with minimal effect on cortisol or prolactin.
- Skin & Longevity
GHK-Cu
Copper Peptide · Copper tripeptide-1
A copper-binding tripeptide studied for skin remodeling, wound healing and anti-aging in topical and research use.
- Nootropic / Neuro
Semax
A synthetic peptide derived from ACTH(4-10), studied in Russia for cognition, focus and neuroprotection.
- Nootropic / Neuro
Selank
A synthetic analog of tuftsin studied for anxiolytic (anti-anxiety) and cognitive effects.
- GLP-1 / Metabolic
Semaglutide
Ozempic (brand) · Wegovy (brand)
A GLP-1 receptor agonist studied and prescribed for glycemic control and weight management.
- GLP-1 / Metabolic
Tirzepatide
Mounjaro (brand) · Zepbound (brand)
A dual GIP/GLP-1 receptor agonist studied and prescribed for glycemic control and weight loss, generally outperforming semaglutide on weight loss in trials.
- GLP-1 / Metabolic
Retatrutide
LY3437943
An investigational triple agonist (GIP/GLP-1/glucagon) showing the largest weight-loss figures of the class in Phase 2 trials (~24% at 48 weeks, 12 mg).
- Growth Hormone Secretagogue
Tesamorelin
Egrifta (brand)
A GHRH analog studied and approved for reduction of visceral adipose tissue; researched for body composition.
- Sexual Health
PT-141
Bremelanotide · Vyleesi (brand)
A melanocortin receptor agonist studied and approved for sexual desire; researched for libido in both sexes.
- Healing & Recovery
KPV
Lys-Pro-Val · α-MSH (11-13)
The three-amino-acid tail of the hormone α-MSH, studied for calming inflammation in the gut and skin.
- Growth Hormone Secretagogue
Sermorelin
GHRH (1-29) · Geref
The shortest fully active fragment of the body's own growth-hormone-releasing hormone; once an approved medicine for paediatric GH deficiency.
- Nootropic / Neuro
DSIP
Delta Sleep-Inducing Peptide
A nine-amino-acid peptide isolated from rabbit brain in the 1970s and named for an apparent sleep effect that later research has struggled to confirm.
- Skin & Longevity
Epitalon
Epithalon · AEDG peptide · Ala-Glu-Asp-Gly
A four-amino-acid peptide based on a pineal-gland extract, studied for effects on telomerase — the enzyme that maintains the caps on chromosomes.
- Skin & Longevity
SS-31
Elamipretide · MTP-131 · Bendavia
A four-amino-acid peptide that concentrates inside mitochondria and binds cardiolipin, studied for restoring energy production in damaged cells.
- Skin & Longevity
NAD+
Nicotinamide adenine dinucleotide
A coenzyme every cell uses to produce energy, whose levels fall with age. Not a peptide, but sold and studied alongside them in longevity research.
- Cosmetic
Melanotan II
MT-II · MT-2 · Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2
A lab-made, longer-lasting version of the tanning hormone α-MSH, studied for skin pigmentation without UV and, separately, for sexual arousal — PT-141 was derived from it.
- Cosmetic
SNAP-8
Acetyl octapeptide-3
A topical 'expression-line' peptide that mimics part of the SNAP-25 protein, studied for softening wrinkles caused by muscle movement. Mixed into creams and serums — never injected.
- Immune / Gut
Thymosin Alpha-1
Tα1 · Thymalfasin · Zadaxin
A 28-amino-acid peptide first isolated from the thymus, studied as an immune regulator. An approved prescription drug in some countries; Research Use Only in Canada.
- Immune / Gut
Glutathione
GSH · L-glutathione · Reduced glutathione
The body's main antioxidant — a three-amino-acid molecule made inside every cell — studied for oxidative stress, immune function and, more controversially, skin lightening.
- Immune / Gut
VIP
Vasoactive intestinal peptide · Aviptadil
A 28-amino-acid signalling peptide found in the gut, lungs, brain and immune system, studied for immune regulation and for relaxing airways and blood vessels. Survives about a minute in blood, so research uses inhaled or intranasal routes.
- Growth Hormone Secretagogue
GHRP-2
Growth Hormone Releasing Peptide 2 · Pralmorelin · KP-102
A growth-hormone-releasing peptide that also raises appetite mildly; often paired with CJC-1295.
- Growth Hormone Secretagogue
GHRP-6
Growth Hormone Releasing Peptide 6 · His-D-Trp-Ala-Trp-D-Phe-Lys-NH2
A growth-hormone-releasing peptide known for strong hunger stimulation; studied for appetite and recovery.
- Growth Hormone Secretagogue
Hexarelin
Examorelin · HEX · His-D-2-methyl-Trp-Ala-Trp-D-Phe-Lys-NH2
The strongest of the GHRP family for GH release, but the quickest to lose effect with continuous use.
- Growth Hormone Secretagogue
HGH 191aa (Somatropin)
Somatropin · Recombinant human growth hormone · rhGH · Growth hormone 191 amino acid
Bio-identical human growth hormone (the full 191-amino-acid molecule), the reference all GH peptides are compared against.
- Growth Factor (IGF/MGF)
IGF-1 DES
IGF-1 DES(1-3) · DES(1-3) IGF-1
A faster, shorter-lived form of IGF-1 studied for localized muscle growth — but with no published human dosing protocol.
- Growth Factor (IGF/MGF)
IGF-1 LR3
Long R3 IGF-1 · Long Arg3 IGF-1
A long-acting version of IGF-1 (the growth factor GH works through), studied for muscle growth and recovery.
- Growth Factor (IGF/MGF)
MGF (Mechano Growth Factor)
Mechano Growth Factor · IGF-1Ec splice variant
Mechano growth factor — a muscle-repair signal your body makes after hard training, studied for local muscle recovery.
- Growth Factor (IGF/MGF)
PEG-MGF
Pegylated MGF · PEGylated Mechano Growth Factor
A longer-lasting version of MGF (pegylation slows its breakdown), studied for whole-body muscle recovery between sessions.
- GLP-1 / Metabolic
Cagrilintide
AM833 · long-acting amylin analog
An amylin analog that adds fullness signalling; often paired with a GLP-1 for stronger appetite control.
- GLP-1 / Metabolic
Mazdutide
IBI362 · LY3305677 · GLP-1/glucagon dual agonist
A GLP-1 + glucagon dual agonist in trials for weight loss with an added energy-burn component.
- GLP-1 / Metabolic
Survodutide
BI 456906 · GLP-1/glucagon dual agonist
A GLP-1 + glucagon dual agonist in phase-3 trials for obesity and fatty liver disease.
- Metabolic & Mitochondrial
Adipotide
FTPP · prohibitin-targeting peptide · CKGGRAKDC-GG-D(KLAKLAK)2
An experimental compound that targets the blood supply of fat tissue. Development stopped over kidney safety — treat with caution.
- Metabolic & Mitochondrial
AOD-9604
AOD9604 · hGH fragment 176-191 analog
The fat-burning fragment of growth hormone without the growth effects, studied for fat loss.
- Metabolic & Mitochondrial
5-Amino-1MQ
5-amino-1-methylquinolinium · NNMT inhibitor
A small molecule (not a true peptide) that blocks an enzyme linked to fat storage and slow metabolism.
- Metabolic & Mitochondrial
AICAR
Acadesine · AICA ribonucleotide · ZMP
An exercise-mimicking molecule that switches on the same energy sensor training does (AMPK). WADA-banned in sport.
- Metabolic & Mitochondrial
L-Carnitine
Levocarnitine · Carnitine
An amino-acid derivative that shuttles fat into cells to be burned; injectable form studied for fat metabolism.
- Metabolic & Mitochondrial
MOTS-C
MOTSc · mitochondrial-derived peptide
A peptide encoded by your mitochondria, studied for exercise capacity, insulin sensitivity, and metabolism.
- Metabolic & Mitochondrial
SLU-PP-332
ERR agonist
An 'exercise mimetic' that activates muscle energy receptors — mouse-data only so far, no human trials.
- Skin & Longevity
FOXO4-DRI
FOXO4 D-Retro-Inverso peptide · Proxofim
An experimental 'senolytic' peptide designed to clear worn-out (senescent) cells — no human safety data yet.
- Bioregulators
Adamax
A synthetic version of a brain-development peptide, studied for cognition and neuroplasticity.
- Bioregulators
Cardiogen
Ala-Glu-Asp-Arg
A heart-tissue bioregulator peptide — lab studies only; no human dosing protocol has been published.
- Bioregulators
Cartalax
AED · Ala-Glu-Asp
A cartilage-and-connective-tissue bioregulator peptide, studied for joint and spine support.
- Bioregulators
Chonluten
EDG · Glu-Asp-Gly
A lung-and-bronchial bioregulator peptide, studied for respiratory tissue support.
- Bioregulators
Cortagen
A brain-cortex bioregulator peptide, studied for cognitive recovery after stress or injury; short cycles.
- Bioregulators
Crystagen
Glu-Asp-Pro
An immune-system bioregulator peptide — patent literature only; no established human dosing.
- Bioregulators
Livagen
Lys-Glu-Asp-Ala
A liver bioregulator peptide, studied for liver-tissue support and healthy aging.
- Bioregulators
Ovagen
A liver-and-digestive bioregulator peptide dosed unusually low; start tiny and build slowly.
- Bioregulators
Pancragen
Lys-Glu-Asp-Trp · Pancragen (KEDW)
A pancreas bioregulator peptide — animal studies only; no human dosing protocol has been published.
- Bioregulators
Pinealon
Glu-Asp-Arg · EDR tripeptide
A brain bioregulator peptide, studied for cognition, sleep rhythm, and stress resilience; short courses.
- Bioregulators
Prostamax
Lys-Glu-Asp-Pro
A prostate bioregulator peptide, studied for prostate-tissue support.
- Bioregulators
Testagen
Lys-Glu-Asp-Gly
A testes bioregulator peptide, studied for male hormonal-axis support.
- Bioregulators
Vesugen
Lys-Glu-Asp · KED tripeptide
A blood-vessel bioregulator peptide, studied for vascular health and circulation.
- Bioregulators
Vilon
Lys-Glu · KE dipeptide
An immune-and-aging bioregulator peptide run in short 5-day pulses rather than continuous cycles.
- Nootropic / Neuro
Cerebrolysin
FPF-1070
A mix of brain-derived growth factors used clinically abroad for stroke and cognition research.
- Nootropic / Neuro
PE-22-28
Spadin analog
A fragment of the brain peptide spadin, studied as a fast-acting research antidepressant.
- Sexual Health
Kisspeptin-10
KP-10 · Metastin fragment
The upstream trigger of the reproductive hormone axis, studied for natural testosterone and fertility signalling.
- Sexual Health
Oxytocin
The bonding hormone, studied for social connection, mood, and intimacy.
- Immune / Gut
ARA-290 (Cibinetide)
Cibinetide · Helix B surface peptide
A small peptide derived from EPO (without the blood-cell effects), studied for nerve pain and small-fiber nerve repair.
- Immune / Gut
LL-37
Cathelicidin fragment
The body's own antimicrobial peptide, studied for stubborn infections, biofilms, and immune balance.
- Reproductive & Hormonal
Gonadorelin
GnRH · Gonadotropin-releasing hormone
Bio-identical GnRH — pulses the pituitary to keep natural testosterone signalling alive (common alongside TRT).
- Reproductive & Hormonal
HCG (Human Chorionic Gonadotropin)
Human Chorionic Gonadotropin
A pregnancy hormone that mimics LH, used in research on testicular function and fertility preservation.
- Reproductive & Hormonal
HMG (Human Menopausal Gonadotropin)
Human Menopausal Gonadotropin · Menotropin
A menopausal-derived hormone mix (FSH + LH activity), studied for sperm production and fertility recovery.
Run the numbers before anything else
The free reconstitution calculator at My Peptide Protocol converts vial size, BAC water volume, and target dose into exact syringe units — no math errors.
Frequently asked questions
What is a research peptide?
A peptide — a short chain of amino acids — sold as a Research Use Only chemical for laboratory study. Research peptides are not approved drugs and are not sold for human use.
How are peptides categorized on this site?
By primary research area: healing and recovery, GLP-1/metabolic, growth hormone axis, nootropic/neuro, skin and longevity, and sexual health. Categories reflect what the research literature investigates each compound for.
Where does the dosing information come from?
From published research literature and clinical trial protocols, presented as 'commonly referenced ranges.' Nothing on this site is a dosing recommendation.