Explore our comprehensive collection of research peptide guides. Each entry includes detailed information on mechanisms, research applications, and scientific references.
An FDA-approved synthetic analog of parathyroid hormone-related protein (PTHrP) that promotes bone formation and reduces fracture risk in postmenopausal osteoporosis.
Half-Life
~1 hour
Purity
≥98% (pharmaceutical grade)
Mol. Weight
3,960.7 Da
Form
Clear, colorless solution in prefilled pen (3,120 mcg/1.56 mL)
A chimeric proapoptotic peptide that selectively targets the vasculature of white adipose tissue, inducing fat cell death through blood supply disruption.
Half-Life
Not formally characterized; D-amino acid proapoptotic domain confers protease resistance
Purity
≥95% (research-grade synthesis)
Mol. Weight
~2,700 Da (estimated from composite sequence)
Form
Lyophilized powder (white)
Key Research Areas
Obesity and weight managementWhite adipose tissue vascular biologyProhibitin-mediated vascular targeting
A topical cosmetic peptide marketed as 'Botox in a jar' that reduces wrinkle appearance by inhibiting muscle contraction at the neuromuscular junction.
Half-Life
Variable (topical penetration dependent)
Purity
≥95% (cosmetic grade)
Mol. Weight
888.92 Da
Form
Powder for formulation or in finished cosmetic products
A long-acting amylin analog that suppresses appetite and enhances satiety—being developed by Novo Nordisk as a complement to GLP-1 drugs for superior weight loss.
A neuropeptide preparation derived from pig brain that mimics neurotrophic factors—used clinically in many countries for stroke, dementia, and traumatic brain injury.
Half-Life
Variable due to mixture composition; effects persist beyond clearance
Purity
Pharmaceutical grade (standardized to biological activity)
Mol. Weight
Complex mixture; peptides <10 kDa
Form
Injectable solution (IV or IM) | Ampoules of 1mL, 5mL, 10mL
A neuropeptide with potent anti-inflammatory and immunomodulatory properties, closely related to somatostatin but with distinct receptors and therapeutic potential.
Half-Life
~2-4 minutes (plasma), extended in tissue compartments
Purity
≥95%
Mol. Weight
1,634.9 Da (CST-14)
Form
Lyophilized powder (white to off-white)
Key Research Areas
Rheumatoid arthritis and autoimmune joint diseasesInflammatory bowel disease (IBD) and Crohn's diseaseMultiple sclerosis and neuroinflammation
An extremely potent cognitive-enhancing compound derived from angiotensin IV, studied for memory enhancement and potential neurodegenerative disease applications.
Half-Life
~12 hours (estimated)
Purity
≥98%
Mol. Weight
505.65 Da
Form
Lyophilized powder or solution
Key Research Areas
Alzheimer's disease and dementiaAge-related cognitive declineTraumatic brain injury recovery
A tetrapeptide that activates telomerase, the enzyme responsible for maintaining telomere length, potentially addressing one of the fundamental mechanisms of cellular aging.
Half-Life
~2-3 hours
Purity
≥98%
Mol. Weight
390.35 Da
Form
Lyophilized powder (white)
Key Research Areas
Telomere biology and cellular agingLongevity and lifespan extensionPineal gland function
A potent growth hormone secretagogue that balances strong GH release with more moderate appetite stimulation than GHRP-6, making it a middle-ground option.
A potent growth hormone secretagogue known for robust GH release and significant appetite stimulation—the original GH-releasing peptide that started the secretagogue era.
Half-Life
~15-60 minutes
Purity
≥98%
Mol. Weight
873.01 Da
Form
Lyophilized powder (white)
Key Research Areas
Growth hormone deficiencyMuscle wasting conditionsAppetite stimulation in cachexia
The natural gonadotropin-releasing hormone used to stimulate LH and FSH production, commonly used in fertility treatment and post-cycle therapy research.
Half-Life
~2-4 minutes (very short)
Purity
≥98%
Mol. Weight
1,182.29 Da
Form
Lyophilized powder
Key Research Areas
Post-cycle therapy (PCT)Male fertility preservation during TRTFemale fertility treatment
A potent synthetic growth hormone releasing hexapeptide with unique cardioprotective properties and the strongest GH release among GHRP family peptides.
The C-terminal fragment of human growth hormone responsible for fat metabolism, studied for its lipolytic activity without the growth-promoting effects of full-length HGH.
Half-Life
~15-30 minutes (estimated; rapid clearance typical of short peptide fragments)
Purity
≥98%
Mol. Weight
1,817.12 Da
Form
Lyophilized powder (white to off-white)
Key Research Areas
Obesity and body compositionLipolysis and fat metabolismAdipose tissue biology
A mitochondrial-derived peptide with cytoprotective and neuroprotective properties, showing promise in aging, Alzheimer's research, and metabolic health.
Half-Life
~30 minutes (native form); HNG analogs show extended half-life
Purity
≥95%
Mol. Weight
2,687.18 Da
Form
Lyophilized powder (white to off-white)
Key Research Areas
Alzheimer's disease and neurodegenerationAging and longevity researchType 2 diabetes and metabolic syndrome
A master regulator of the reproductive hormone system that triggers natural LH and testosterone release, with potential applications in fertility, hormone optimization, and PCT.
Half-Life
~28 minutes (relatively short)
Purity
≥98%
Mol. Weight
1,302.41 Da
Form
Lyophilized powder
Key Research Areas
Fertility and reproductive medicineTestosterone optimizationHypogonadism treatment
A naturally-occurring dipeptide with potent anti-glycation, antioxidant, and anti-aging properties found in high concentrations in muscle and brain tissue.
Half-Life
~20 minutes to several hours (tissue-dependent; rapidly degraded by carnosinase in plasma)
Purity
≥99%
Mol. Weight
226.23 Da
Form
Crystalline powder (white) | Capsules and tablets widely available
Key Research Areas
Aging and longevityGlycation and AGE formationNeuroprotection and cognitive decline
An FDA-approved 14-amino acid peptide that activates guanylate cyclase-C receptors to treat irritable bowel syndrome with constipation (IBS-C) and chronic idiopathic constipation.
Half-Life
3-4 minutes (rapidly degraded in GI tract; minimal systemic exposure)
Purity
Pharmaceutical grade
Mol. Weight
1,526.8 Da
Form
Oral capsules (72 mcg, 145 mcg, 290 mcg)
Key Research Areas
Irritable bowel syndrome with constipation (IBS-C)Chronic idiopathic constipation (CIC)Functional constipation in pediatric patients
An FDA-approved GLP-1 receptor agonist used for type 2 diabetes and chronic weight management, with extensive clinical trial evidence supporting its metabolic benefits.
Half-Life
~13 hours (enabling once-daily dosing)
Purity
≥98%
Mol. Weight
3,751.2 Da
Form
Solution for subcutaneous injection (6 mg/mL in pre-filled pen)
Key Research Areas
Type 2 diabetes managementChronic weight management and obesityCardiovascular risk reduction
A human host defense peptide with broad-spectrum antimicrobial activity and powerful immunomodulatory properties for wound healing and infection control.
Half-Life
~15-30 minutes (serum); longer in tissue compartments
An FDA-approved synthetic melanocortin peptide analog that stimulates melanogenesis for photoprotection, with clinical applications in erythropoietic protoporphyria and vitiligo research.
Half-Life
~30 minutes (IV); sustained release over 10 days via subcutaneous implant
Purity
≥98%
Mol. Weight
1,646.85 Da
Form
Lyophilized powder (white) or subcutaneous implant (Scenesse 16 mg)
A synthetic melanocortin peptide that stimulates melanin production, developed for photoprotection and approved for treating erythropoietic protoporphyria (EPP).
A 36-amino acid neuropeptide that serves as one of the most abundant signaling molecules in the brain, regulating appetite, stress response, anxiety, and circadian rhythms.
Half-Life
20-30 minutes (plasma); varies by route and form
Purity
≥95%
Mol. Weight
4,253.69 Da
Form
Lyophilized powder (white to off-white)
Key Research Areas
Obesity and metabolic syndromeAnxiety disorders and PTSDStress resilience mechanisms
A synthetic somatostatin analog used to treat acromegaly, carcinoid tumors, and severe diarrhea—one of the most clinically important peptide drugs in endocrinology.
Half-Life
90 minutes (immediate release) | 28 days between LAR injections
A neuropeptide critical for wakefulness, appetite regulation, and energy homeostasis with therapeutic implications for narcolepsy and metabolic disorders.
Half-Life
~30 minutes (plasma)
Purity
≥95%
Mol. Weight
3,562 Da
Form
Lyophilized powder (white)
Key Research Areas
Narcolepsy and sleep disordersObesity and metabolic syndromeDrug addiction and reward circuits
A synthetic bioregulatory tripeptide that targets pineal gland and central nervous system function, with neuroprotective and geroprotective properties.
Half-Life
~2–5 minutes (estimated; rapidly internalized into target cells)
Purity
≥95%
Mol. Weight
404.37 Da
Form
Lyophilized powder (white) or oral capsules
Key Research Areas
Neuroprotection and neurodegenerationPineal gland function and melatonin regulationAging and geroprotection
An FDA-approved synthetic amylin analog that complements insulin therapy by slowing gastric emptying, reducing glucagon secretion, and enhancing satiety in diabetes management.
Half-Life
~48 minutes
Purity
Pharmaceutical grade
Mol. Weight
3,949.4 Da
Form
Solution in pre-filled pen (Symlin, SymlinPen)
Key Research Areas
Type 1 diabetes as adjunct to insulinType 2 diabetes with mealtime insulin usePostprandial hyperglycemia management
A groundbreaking triple receptor agonist achieving unprecedented 24.2% weight loss in clinical trials, representing the next evolution in obesity pharmacotherapy.
Half-Life
~6 days (approximately 144 hours)
Purity
≥98% (pharmaceutical grade in clinical trials)
Mol. Weight
~4,800 Da
Form
Lyophilized powder for reconstitution
Key Research Areas
Obesity and chronic weight managementType 2 diabetes mellitus and glycemic controlMetabolic dysfunction-associated steatohepatitis (MASH/NASH)
A mitochondria-targeting peptide that protects cells from oxidative damage and restores energy production—in clinical trials for heart failure and mitochondrial diseases.
Half-Life
~1-2 hours in plasma (but concentrates in mitochondria for prolonged effect)
Purity
≥98% for research applications
Mol. Weight
639.8 Da
Form
Lyophilized powder | Subcutaneous injection in clinical trials
Key Research Areas
Primary mitochondrial myopathiesHeart failure with preserved ejection fraction (HFpEF)Ischemia-reperfusion injury
A dual GLP-1 and glucagon receptor agonist showing significant weight loss and liver fat reduction in clinical trials, positioned as a next-generation obesity and MASH therapeutic.
Half-Life
~6-7 days (supporting once-weekly dosing)
Purity
Pharmaceutical grade (clinical-stage compound)
Mol. Weight
~4,200 Da (estimated)
Form
Solution for subcutaneous injection (pre-filled pen in clinical trials)
A thymic polypeptide bioregulator with immunomodulatory and geroprotective properties, developed from decades of Russian peptide bioregulation research.
Half-Life
~30 minutes (dipeptide component); biological effects persist 24–72 hours due to gene expression modulation
Thymosin Alpha 1 is a synthetic 28–amino acid peptide studied for its immunomodulatory effects, supporting host defense, tissue recovery, and immune balance in diverse experimental models.
Half-Life
~2 hours (route- and species-dependent)
Purity
≥98%
Mol. Weight
3,108 Da
Form
Lyophilized powder
Key Research Areas
Immune modulation and host defenseChronic viral hepatitis and other persistent infectionsOncology and immunotherapy adjuvant research
A 28-amino acid neuropeptide with potent anti-inflammatory, immunomodulatory, and neuroprotective properties being researched for autoimmune conditions and gut disorders.
Half-Life
~1-2 minutes (native form); stabilized analogs extend to hours
Purity
≥95%
Mol. Weight
3,326.26 Da
Form
Lyophilized powder (white)
Key Research Areas
Inflammatory bowel disease (Crohn's, ulcerative colitis)Multiple sclerosis and neuroinflammationRheumatoid arthritis and joint inflammation
Vosoritide (Voxzogo) — C-Type Natriuretic Peptide Analog
An FDA-approved modified C-type natriuretic peptide (CNP) analog that promotes bone growth by counteracting FGFR3 signaling in children with achondroplasia.
Half-Life
~25-30 minutes (extended vs native CNP: 2-3 min)
Purity
Pharmaceutical grade (Voxzogo)
Mol. Weight
4,105 Da (39 amino acids)
Form
Lyophilized powder for reconstitution (solution for injection)
Key Research Areas
Achondroplasia treatment in childrenEndochondral ossification and bone growthFGFR3 signaling modulation
Research peptides are short chains of amino acids that play crucial roles in biological research. They are used extensively in scientific studies to understand cellular mechanisms, develop new therapies, and explore potential applications in various fields of medicine.
Our database includes detailed information on the most researched peptides, including healing peptides like TB-500 and BPC-157, growth hormone secretagogues like CJC-1295 and Ipamorelin, and many more. Each entry provides comprehensive data on molecular properties, research applications, and scientific references.
Categories of Research Peptides
Healing & Recovery: Peptides studied for tissue repair, wound healing, and regeneration.
Growth Hormone: Secretagogues and analogs that influence GH pathways.
Cognitive: Peptides researched for neurological and cognitive effects.
Metabolic: Compounds studied for their effects on metabolism and body composition.