Peptide Research Library

A slow-acting drug of natural origin that modulates interleukin-1 and promotes cartilage repair. Used in osteoarthritis treatment with anti-inflammatory effects.

PPS, Elmiron (oral formulation), Cartrophen (veterinary formulation)

A semi-synthetic polysulfated xylan with anti-inflammatory, anti-thrombotic, and chondroprotective properties. FDA-approved for interstitial cystitis (oral form, Elmiron) and widely used for osteoarthritis in veterinary medicine. Research suggests potential benefits for joint cartilage preservation and synovial fluid enhancement.

Elmiron, Fibrogamone

A sulfated polysaccharide that inhibits cartilage-degrading enzymes, promotes synovial fluid production, and reduces inflammatory mediators in joint tissue for osteoarthritis management.

PTH(1-34), Forteo

A recombinant PTH(1-34) peptide that stimulates bone formation; FDA-approved for osteoporosis and used to accelerate fracture healing.

A cardioprotective and tissue repair peptide with anti-inflammatory properties. Currently in experimental research for cardiovascular and regenerative applications.

Peptide ARBs, Angiotensin receptor blocker peptides

Peptide-based angiotensin II receptor blockers that regulate blood pressure and reduce cardiovascular inflammation through selective AT1 receptor antagonism.

An endogenous peptide hormone that regulates blood pressure, cardiac contractility, and fluid homeostasis through APJ receptor signaling.

B-type Natriuretic Peptide (BNP), Atrial Natriuretic Peptide (ANP), N-terminal pro-BNP (NT-proBNP)

Endogenous peptides that regulate blood pressure, fluid balance, and cardiac function. Researched for heart failure and hypertension management.

Rutoside, Hydroxyethylrutosid

A flavonoid-derived peptide compound that improves venous tone and microcirculation through endothelial function enhancement.

FPF-1070, Brain-derived peptides

Cerebrolysin is a mixture of neurotrophic peptides derived from pig brain. It mimics the effects of neurotrophic factors and shows promise for neurodegenerative diseases and traumatic brain injury.

A hexapeptide that enhances neuroplasticity and cognitive function by potentiating brain-derived neurotrophic factor (BDNF) signaling and improving synaptic density.

FGL peptide, NCAM mimetic

Fibroblast Growth Factor-Like peptide, an NCAM (Neural Cell Adhesion Molecule) mimetic that enhances neural plasticity. Promotes learning, memory, and neuroprotection.

NA-Selank-Amidate

Enhanced formulation of Selank with N-Acetyl modification and amidation. Provides improved stability, longer-lasting anxiolytic effects, and enhanced nootropic properties.

NA-Semax-Amidate, N-Acetyl Semax Amide

Enhanced version of Semax with N-Acetyl modification and C-terminal amidation. Provides stronger nootropic effects with better bioavailability and stability than standard Semax.

Semax-A, N-Acetyl Semax

An enhanced version of Semax with N-Acetyl modification and C-terminal amidation for improved stability and potency. Stronger nootropic and neuroprotective effects compared to standard Semax.

NPY

A stress-response neuropeptide that modulates anxiety, appetite, and circadian rhythm. Researched for anxiety reduction and stress resilience.

GVS-111, Noopeptide

A potent nootropic peptide that enhances memory, learning, and cognitive function. Increases NGF and BDNF expression. Significantly more potent than piracetam on a per-milligram basis.

DTHFPIC Dipeptide

P21 is a nootropic peptide derived from CNTF (Ciliary Neurotrophic Factor). It promotes neurogenesis, especially in the hippocampus, and may improve learning and memory.

Selank peptide, Tuftsin analog

A synthetic heptapeptide analog of tuftsin that modulates immune function and reduces anxiety while enhancing cognitive performance through GABA and dopamine pathways.

Semax-Amidate, ACTH(4-10)

A synthetic heptapeptide that enhances cognitive function, stress resilience, and neuroprotection by modulating ACTH and endorphin pathways.

SP, Tachykinin

A neuropeptide involved in pain transmission and neuroinflammation. Researched for neuroprotection and cognitive function through NK1 receptor modulation.

NSI-189 phosphate

NSI-189 is a benzylpiperazine-aminopyridine small-molecule compound that promotes hippocampal neurogenesis and increases hippocampal volume. Originally developed as a potential antidepressant, it has demonstrated cognitive enhancement and neuroprotective properties in clinical research. NSI-189 is not a peptide but a small-molecule compound; however, it is commonly tracked in research compound databases. It is administered orally and has completed Phase 2 clinical trials.

Acetyl Hexapeptide-3, Ac-EEMQRR

Acetyl Hexapeptide-3 is a synthetic topical peptide that mimics the N-terminal sequence of SNAP-25 (soluble NSF attachment protein receptor), a protein involved in neuromuscular acetylcholine release. By competing with endogenous SNAP-25, Argireline reduces the frequency and intensity of muscle contractions in facial muscles, thereby diminishing the appearance of dynamic expression lines, particularly on the forehead and around the eyes. It is marketed as a non-invasive, topical alternative to botulinum toxin injections.

A melanin synthesis inhibitor peptide used in topical skincare formulations for skin brightening and hyperpigmentation reduction. Functions as a gentler alternative to hydroquinone by modulating tyrosinase activity and melanin production pathways.

Pentapeptide-18

Leuphasyl is a neurotransmitter-inhibiting peptide that reduces muscle contraction by mimicking enkephalins. It decreases acetylcholine secretion and is synergistic with Argireline for anti-wrinkle effects.

Palmitoyl Pentapeptide-4, Pal-KTTKS

Palmitoyl Pentapeptide-4, a signal peptide that stimulates collagen and fibronectin production. One of the most well-studied cosmetic peptides for anti-aging skincare. Acts as a fragment of collagen I that signals fibroblasts to increase extracellular matrix synthesis.

A melanin synthesis inhibitor for skin brightening. Reduces hyperpigmentation with a gentle, long-term safety profile.

Melanostatine

A potent melanin inhibitor that reduces tyrosinase activity for skin lightening. Used in brightening products for long-term pigmentation treatment.

Palmitoyl Tripeptide-1, Pal-GHK

Fatty acid-conjugated tripeptide with enhanced skin penetration for collagen stimulation and anti-aging effects. The palmitoyl group increases lipophilicity and transdermal bioavailability.

Palmitoyl tripeptide-1, Copper peptide GHK-Cu (palmitoylated form)

Palmitoylated copper peptide designed for topical skincare. Pal-GHK is a lipid-conjugated form of the copper tripeptide GHK, which enhances skin penetration and stability. Used in anti-aging formulations to stimulate collagen synthesis and reduce visible signs of aging.

A synthetic dipeptide conjugate with a palmitic acid chain that stimulates collagen synthesis and improves skin barrier function for anti-aging and skin elasticity applications. Used topically in cosmetic formulations.

Pal-GQPR, Palmitoyl Tetrapeptide-7 (Matrixyl 3000 component)

A synthetic tetrapeptide conjugated to palmitic acid (a 16-carbon fatty acid) that penetrates the skin barrier and reduces pro-inflammatory cytokine production, particularly interleukin-6 (IL-6). Commonly used as a component of Matrixyl 3000 formulations to improve skin elasticity, reduce fine lines, and support dermal matrix remodeling through fibroblast stimulation.

Acetyl Octapeptide-3, SNAP-8

An octapeptide extension of Argireline (Acetyl Octapeptide-3) that provides enhanced anti-wrinkle effects by inhibiting SNARE complex formation. More potent than Argireline for reducing expression lines.

Dipeptide Diaminobutyroyl Benzylamide Diacetate

Syn-Ake is a synthetic peptide mimicking snake venom that relaxes facial muscles and reduces wrinkle depth. It is a safe, topical alternative to Botox for smoothing expression lines.

Palmitoyl Tripeptide-5

Stimulates collagen synthesis by mimicking the body's own mechanism for triggering collagen production. Improves skin firmness, elasticity, and reduces fine lines.

Collagen Peptide

Mimics the natural collagen structure to stimulate collagen production. Improves skin firmness, reduces fine lines, and enhances hydration.

AHK tripeptide, Copper-free AHK

Basic form of AHK peptide without copper. Promotes wound healing, collagen production, and tissue regeneration for skin rejuvenation.

Pentapeptide-3

An anti-wrinkle peptide with muscle relaxation properties that reduces expression lines. A safe alternative to injectable treatments for smoother skin texture.

A ghrelin mimetic that stimulates GH release. Research compound with appetite-stimulating effects.

RC-1291, Anavex

An oral ghrelin receptor agonist approved in Japan for cancer cachexia. Stimulates appetite and increases lean body mass in wasting conditions.

A modified GHRH analog similar to CJC-1295. Stimulates growth hormone release for research purposes.

CJC-1295 with DAC, CJC-1295 no DAC, Modified GRF 1-29

CJC-1295 is a synthetic analog of growth hormone-releasing hormone (GHRH) that stimulates the release of growth hormone from the pituitary gland. It comes in two forms: with DAC (Drug Affinity Complex) for longer action, and without DAC for shorter, more frequent dosing.

First-generation growth hormone releasing peptide that stimulates GH secretion through ghrelin receptor agonism. Moderate potency compared to later GHRPs. Used primarily in research settings to investigate GH dynamics and metabolic effects.

Growth Hormone Releasing Peptide-2

GHRP-2 is a potent growth hormone secretagogue that increases appetite and promotes muscle growth. It enhances recovery and stimulates GH release more strongly than GHRP-6.

Growth hormone releasing peptide that stimulates GH and prolactin. Similar to GHRP-6 but with a different side effect profile.

Growth hormone secretagogue (GHS) in the research stage. GHRP-4 is a synthetic hexapeptide that stimulates growth hormone (GH) release from the anterior pituitary gland. Limited clinical data available; primarily used in research settings.

Experimental growth hormone releasing peptide (GHRP) with limited clinical data. Research compound used to investigate growth hormone secretion pathways and metabolic effects. Not approved for human use.

Growth Hormone Releasing Peptide-6

GHRP-6 is a potent stimulator of natural growth hormone secretion. It also increases appetite and aids in energy metabolism, making it popular for building muscle mass and strength.

HEX, Examorelin

Hexarelin is one of the strongest GH-releasing peptides, also showing cardioprotective effects. It increases GH, IGF-1, and may protect against heart damage.

IPA, NNC 26-0161

Ipamorelin is a selective growth hormone secretagogue that mimics ghrelin and stimulates the release of growth hormone from the pituitary gland. It is one of the cleanest GH-releasing peptides with minimal effect on cortisol and prolactin levels.

RC-1291, Ghrelin mimetic

Synthetic form of the native ghrelin peptide. A potent appetite stimulant that regulates energy balance and stimulates growth hormone release. Research compound for metabolic studies.

Macrilen®

An oral ghrelin receptor agonist FDA-approved as a diagnostic test for adult growth hormone deficiency. Macimorelin (Macrilen®) is the only approved oral GH stimulation test. It acts as a selective agonist of the ghrelin receptor (GHSR-1a), stimulating growth hormone release from the anterior pituitary gland. Administered as a single oral dose in a clinical setting after overnight fasting, with blood samples collected at baseline and 30, 45, and 60 minutes post-administration to assess GH secretory capacity.

GRF 1-29, GHRH

Sermorelin is a synthetic version of growth hormone-releasing hormone (GHRH) consisting of the first 29 amino acids. It stimulates natural GH production from the pituitary.

An oral ghrelin mimetic that stimulates GH release and appetite. Research stage with potential for cachexia treatment.

Egrifta, TH9507

Tesamorelin is a GHRH analog that specifically reduces visceral adipose tissue. It is FDA-approved for HIV-associated lipodystrophy and has cognitive and metabolic benefits.