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BPC-157 Arginate

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BPC-157 Arginate is an advanced oral peptide proven for tissue-repair, gastrointestinal integrity, angiogenic modulation, and cellular recovery.

$76.00

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Form
Lyophilized
Molecular Formula
See COA
Molecular Weight
See COA
CAS Number
See COA
PubChem CID
See COA
Research Data
Primary Effect Over Time
Literature
Cellular Ratio
Comparative Metric
Activity Profile
Activity Profile
Mechanism
Cellular Pathway
01
VEGFR2 / VEGF Angiogenesis
02
Egr-1 / ERK1/2 Wound Cascade
03
Nitric Oxide Pathway Normalization
04
Acute Multi-Gene Wound Cascade (Akt1 / Src / FAK)
Metabolic Network
Biosynthesis Map
VEGFR2 / VEGF Angiogenesis
Egr-1 / ERK1/2 Wound Cascade
Nitric Oxide Pathway Normalization
Acute Multi-Gene Wound Cascade (Akt1 / Src / FAK)
Repair Systems
Stress
Mitochondria
Energy
BPC-157 Arginate CENTRAL HUB
Sequence Analysis
Amino Acid Sequence
Single-letter residue map colored by physicochemical property class. Hover any residue for full name and position.
G E P P P G K P A D D A G L V
15Residues
See COAMol. Weight
-2Net Charge
1Basic
3Acidic
■ Hydrophobic ■ Polar ■ Positively Charged ■ Negatively Charged ■ Glycine
Research Focus
Research Coverage
Product Data
Compound Identity
Product NameBPC-157 Arginate
Functional ClassPeptidics
FormLyophilized
Purity99%+
Content5mg
Count1 vial
Research UseResearch Grade
Specifications
Technical Specs
CAS NumberSee COA
Molecular WeightSee COA
Molecular FormulaSee COA
PubChem CIDSee COA
AppearanceWhite to off-white powder
Storage2-8C preferred
Formulation Reference
Anatomy of a Peptide
A reference guide to the components of a lyophilized research peptide — from the active sequence to the excipients, solvents, buffers, and stabilizers used in formulation.
Active Peptide 2 items
Synthetic Amino Acid Sequence
The primary chain of amino acids synthesized via solid-phase peptide synthesis (SPPS). Defined by sequence length and molecular weight.
Peptide Modifications
Acetylation (N-terminus), amidation (C-terminus), PEGylation, or cyclization applied to improve stability, receptor binding, or half-life.
Excipients 4 items
Mannitol
Sugar alcohol bulking agent that forms an elegant lyophilized cake, aids reconstitution, and provides structural matrix during freeze-drying.
Trehalose
Non-reducing disaccharide that stabilizes peptide secondary structure by replacing water molecules through hydrogen bonding during dehydration.
Sucrose
Disaccharide used as a lyoprotectant and tonicity agent. Forms an amorphous glassy matrix that immobilizes the peptide and prevents aggregation.
Glycine
Amino acid bulking agent used in lyophilization. Crystallizes to provide mechanical strength to the freeze-dried cake structure.
Reconstitution Solvents 4 items
Bacteriostatic Water (BAC Water)
Sterile water containing 0.9% benzyl alcohol as a preservative. Preferred for multi-dose vials — inhibits microbial growth after initial puncture.
Sterile Water for Injection
USP-grade water, pyrogen-free, without preservatives. Used for single-dose preparations or when benzyl alcohol sensitivity is a concern.
Acetic Acid Solution (0.1–1%)
Dilute acid used for peptides with poor aqueous solubility at neutral pH. Protonates basic residues to improve dissolution.
Sodium Chloride 0.9%
Isotonic saline diluent. Provides physiological osmolality (~308 mOsm/L) and can improve stability of certain charged peptides.
Buffer Systems 4 items
Phosphate Buffered Saline (PBS)
Maintains pH 7.2–7.4. Composed of sodium phosphate dibasic, potassium phosphate monobasic, NaCl, and KCl. Mimics physiological ionic strength.
Acetate Buffer
Effective pH range 3.7–5.6. Composed of acetic acid and sodium acetate. Ideal for acidic peptides and those requiring lower pH for solubility.
Citrate Buffer
Effective pH range 3.0–6.2. Offers strong buffering capacity and metal-chelating properties. Used when oxidation-sensitive residues (Met, Cys) are present.
Histidine Buffer
Effective pH range 5.5–7.0. Low ionic strength, minimal interaction with peptides. Increasingly preferred in modern biopharmaceutical formulations.
Lyoprotectants & Cryoprotectants 3 items
Trehalose / Sucrose (Lyoprotectant)
Protect peptide conformation during the drying phase of lyophilization by forming hydrogen bonds that substitute for water molecules around the peptide.
Glycerol (Cryoprotectant)
Polyol that depresses the freezing point and reduces ice crystal formation, preventing mechanical damage to peptide structure during freezing steps.
Polyethylene Glycol (PEG)
Hydrophilic polymer that provides steric stabilization, reduces aggregation, and can serve as both cryoprotectant and solubility enhancer.
Preservatives & Antimicrobials 3 items
Benzyl Alcohol (0.9%)
Aromatic alcohol preservative in bacteriostatic water. Acts as antimicrobial agent by disrupting microbial cell membranes. Standard for multi-use vials.
Methyl / Propyl Parabens
Broad-spectrum antimicrobial preservatives effective against fungi and bacteria. Used in some peptide formulations where benzyl alcohol is incompatible.
Phenol (0.5%)
Bacteriostatic preservative used in certain injectable peptide formulations. Also acts as a conformational stabilizer for some peptide structures.
Counter Ions & Salt Forms 3 items
Trifluoroacetate (TFA)
Most common counter ion from RP-HPLC purification. Forms TFA salt with basic residues (Lys, Arg, His). May affect bioassay results and cell toxicity.
Acetate
Milder alternative to TFA obtained via ion exchange. Lower cytotoxicity, preferred for cell-based research assays and in vivo studies.
Hydrochloride (HCl)
Chloride salt form, sometimes used for improved stability or specific solubility profiles. Common in pharmaceutical-grade peptide preparations.
Chelating Agents 2 items
EDTA (Disodium)
Chelates divalent metal ions (Cu²⁺, Fe²⁺, Zn²⁺) that catalyze oxidative degradation of methionine and cysteine residues in peptides.
Citric Acid
Natural chelator with moderate metal-binding capacity. Dual function as buffer component and oxidation inhibitor in peptide formulations.
Antioxidants & Stabilizers 3 items
L-Methionine
Free methionine added as a sacrificial antioxidant. Preferentially oxidizes before methionine residues within the peptide chain.
Ascorbic Acid
Water-soluble antioxidant that scavenges reactive oxygen species. Used at low concentrations to prevent oxidative peptide degradation.
Polysorbate 20 / 80
Non-ionic surfactants that prevent surface adsorption and aggregation of peptides at air-liquid and container-liquid interfaces.
Preparation Tool
Reconstitution Calculator
Enter your target working concentration to calculate the exact solvent volume needed for this vial.
mg
Recommended solvents
Bacteriostatic Water Sterile Water for Injection Acetic Acid 0.1% Sodium Chloride 0.9%
Product Specs
Solubility Profile
WaterHighly soluble
Acidified WaterHighly soluble
DMSOHighly soluble
EthanolModerate
Lipid solventsPoor compatibility
Product Specs
Storage Specs
Lyophilized2–8°C preferred
Long-term−20°C recommended
Light SensitivityModerate
MoistureHigh sensitivity
StabilityStable when dry
ContainerSterile sealed vial
Literature
Research Citations
Catalogue Pathway
Related Systems
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Important Notice
Research Use Only

AminoBox products are supplied for research, analytical, and laboratory use only. Product information is provided for educational and technical reference and does not constitute medical advice. Products are not intended to diagnose, treat, cure, or prevent any disease.

Product Composition

Property Specification
Product Name BPC-157 Arginate
Alternate Names Body Protection Compound-157 (Arginate salt), Pentadecapeptide BPC-157 Arginate
Capsule Content 1000 mcg (1 mg)
Package Size 30 Capsules
Compound Class Synthetic gastric pentadecapeptide (arginine-stabilized salt form)
Physical Form Encapsulated powder
Appearance White to off-white powder
Purity Typically ≥98% (research grade, supplier dependent)
Research Category Tissue repair / gut protection / regenerative signaling research compound

Molecular Information

Property Specification
Molecular Formula C62H98N16O22 (parent peptide BPC-157)
Molecular Weight ~1419.6 g/mol
CAS Number 137525-51-0
PubChem CID 9941957
Compound Type Pentadecapeptide (15 amino acids)
Salt Form Arginate (stabilized oral delivery variant)
Stereochemistry All-L amino acid peptide sequence

Structural Classification

Category Description
Compound Type Gastric-derived synthetic peptide
Functional Class Cytoprotective / angiogenic signaling peptide
Biological Focus Tissue repair and gastrointestinal integrity pathways
Mechanistic Focus Angiogenesis, fibroblast migration, nitric oxide modulation
Chemical Family Pentadecapeptide (protein fragment derivative)

Mechanism Research Profile

Research Focus Description
Tissue Repair Signaling Studied for acceleration of tendon, muscle, and ligament repair in preclinical models
Angiogenesis Promotes formation of new blood vessels for tissue recovery
Gastrointestinal Protection Investigated for protective effects on gastric and intestinal lining
Fibroblast Activity Supports collagen synthesis and extracellular matrix remodeling
Nitric Oxide Modulation Influences NO signaling pathways in vascular repair models

Research Areas Commonly Associated

Research Area Focus
Regenerative Biology Soft tissue and musculoskeletal repair
Gastrointestinal Research Ulcer and mucosal healing models
Vascular Biology Angiogenesis and microcirculation
Inflammation Research Cytokine modulation and tissue stress response
Wound Healing Science Fibroblast and collagen repair pathways

Solubility Profile

Solvent Solubility
Sterile Water Highly soluble
Bacteriostatic Water Compatible
Saline Soluble
DMSO Limited compatibility
Organic solvents Not soluble

Storage Specifications

Parameter Recommendation
Capsule Storage 2–8°C preferred
Long-term Storage -20°C recommended for stability
Light Sensitivity Moderate
Moisture Sensitivity High
Stability Stable in dry encapsulated form
Container Type Sealed opaque capsule bottle

Technical Characteristics

Feature Notes
Delivery Format Encapsulated powder (1000 mcg per capsule, 30-count bottle)
Structural Advantage Arginate salt improves stability and oral resilience compared to acetate form
Bioactivity Profile Cytoprotective peptide signaling molecule
Configuration Linear 15-amino-acid peptide
Stability Profile Higher stability in arginate oral formulations
Research Use Laboratory research only

BPC-157 Arginate | 1000mcg

Originally derived from a protective protein sequence identified in human gastric juice, BPC-157 has become one of the most widely studied experimental regenerative peptides in modern peptide literature. Research interest surrounding the compound has expanded considerably due to its unusually broad range of activity observed across musculoskeletal, gastrointestinal, vascular, neurological, and connective-tissue models in preclinical settings.

Unlike many peptide compounds that demonstrate poor oral survivability due to rapid enzymatic degradation, BPC-157 exhibits an unusual resistance to gastric acid and digestive enzymatic breakdown. This property has made oral administration—particularly in the arginate form—a major area of investigation within peptide formulation science.

What Is BPC-157?

BPC-157 (Body Protection Compound-157) is a synthetic peptide consisting of 15 amino acids:

Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val

The compound was first investigated by researchers studying endogenous protective compounds found within gastric secretions. Early experimental work observed that fragments derived from gastric proteins appeared to participate in cytoprotective and tissue-preserving mechanisms within the gastrointestinal system. Subsequent research expanded into broader regenerative and recovery-focused applications.

The peptide’s unusually stable structure is believed to be partially attributable to its proline-rich amino acid sequence, particularly the triple-proline motif located near the N-terminal region. These structural characteristics appear to provide resistance against enzymatic cleavage and acidic degradation pathways that typically destroy orally administered peptides.


The Significance of the Arginate Salt Form

BPC-157 Arginate differs from traditional BPC-157 acetate preparations through the use of an L-arginine counterion rather than acetate. While the active peptide sequence itself remains identical, the arginate form was developed specifically to improve physicochemical stability and oral compatibility.

Research discussions surrounding the arginate formulation suggest several theoretical formulation advantages:

  • Improved pH buffering characteristics
  • Enhanced aqueous stability
  • Reduced peptide aggregation
  • Improved resistance to acid-catalyzed degradation
  • Greater stability during storage and reconstitution
  • Enhanced compatibility with oral delivery systems

The arginine counterion produces a more neutral microenvironment compared to acetate-based forms, potentially minimizing peptide degradation pathways such as hydrolysis and aspartate isomerization.

Within peptide formulation science, salt selection can significantly affect peptide integrity, shelf stability, and oral survivability—particularly for compounds exposed to gastric conditions. The arginate format is therefore viewed primarily as a formulation optimization strategy rather than a pharmacological alteration of the peptide itself.


Mechanism of Research Interest

BPC-157 is studied as a highly pleiotropic peptide, meaning it appears to influence multiple biological systems simultaneously within experimental models. Although its complete mechanism remains incompletely characterized, preclinical investigations suggest involvement in several interconnected signaling pathways associated with tissue protection and repair.

Angiogenesis & Vascular Signaling

One of the most significant areas of research surrounding BPC-157 involves angiogenic regulation—the biological process responsible for formation and remodeling of blood vessels.

Experimental data suggests BPC-157 may influence pathways associated with:

  • VEGF (Vascular Endothelial Growth Factor) signaling
  • Nitric oxide modulation
  • Endothelial repair activity
  • Microvascular circulation
  • Tissue perfusion dynamics

These pathways are critically important in tissue remodeling and recovery environments because adequate vascularization is essential for nutrient transport, oxygen delivery, and extracellular matrix regeneration.


Gastrointestinal Research Applications

BPC-157’s origins within gastric-protective research remain one of its defining characteristics. Unlike most peptides, BPC-157 demonstrates remarkable stability in gastric environments, with research literature noting functional persistence within human gastric juice for extended periods.

This has made oral BPC-157 Arginate particularly interesting within gastrointestinal research environments focused on:

  • Gastric mucosal integrity
  • Intestinal barrier function
  • Epithelial recovery pathways
  • Gut-lining protection mechanisms
  • Experimental inflammatory models
  • Gastrointestinal tissue repair signaling

Because orally administered BPC-157 directly contacts gastrointestinal tissue surfaces prior to systemic absorption, many researchers theorize that localized GI interaction may represent one of the most important mechanisms associated with oral formulations.


Musculoskeletal & Connective Tissue Research

BPC-157 has also attracted considerable attention in experimental models involving connective tissue and musculoskeletal recovery pathways.

Preclinical investigations have explored its relationship to:

  • Tendon remodeling pathways
  • Ligament recovery signaling
  • Skeletal muscle regeneration
  • Fibroblast migration activity
  • Collagen organization processes
  • Musculoskeletal vascularization

Research models involving tendon-to-bone healing, muscle trauma, ligament injury, and connective tissue stress have contributed substantially to BPC-157’s growing presence within regenerative peptide research discussions.


Neuroprotective & Cellular Research Interest

Emerging literature has additionally explored BPC-157’s interaction with neurological and cellular signaling systems.

Areas of ongoing investigation include:

  • Dopaminergic signaling pathways
  • Nitric oxide regulation
  • Neurovascular integrity
  • Cellular oxidative stress modulation
  • Experimental neuroprotection models
  • Brain-gut axis signaling

Although these mechanisms remain preliminary and incompletely understood, the peptide’s apparent multi-system activity profile continues to generate significant scientific interest.


Advanced Peptide Stability Characteristics

BPC-157 possesses several unusual physicochemical properties that distinguish it from many conventional peptides:

  • Resistance to gastric acid degradation
  • Resistance to pepsin cleavage
  • Stability within low-pH environments
  • Polyproline-associated protease resistance
  • Absence of oxidation-sensitive amino acids such as cysteine and methionine

These structural properties have made BPC-157 one of the rare peptide compounds considered potentially suitable for oral administration without highly specialized protective encapsulation technologies.


Research Community Discussion

Within peptide research communities and anecdotal experimental discussions, oral BPC-157 Arginate is frequently referenced in relation to gastrointestinal-focused peptide protocols and long-duration recovery research approaches. Community discussions often highlight the distinction between oral GI-targeted applications and injectable systemic delivery strategies, though these observations remain anecdotal and not clinically validated.


Important Research Disclaimer

This product is supplied strictly for laboratory, analytical, and research purposes only. Not intended to diagnose, treat, cure, or prevent any disease. Not approved for human consumption. BPC-157 remains an investigational research compound with limited human clinical data available. All references to biological activity are derived primarily from preclinical and experimental research environments.

Scientific References – BPC-157 arginate (Stable Gastric Pentadecapeptide)

Ref # Title Journal Focus Link
1 Stable Gastric Pentadecapeptide BPC-157: Prompt Particular Activation of Collateral Pathways Current Medical Chemistry Mechanisms of action, vascular and systemic signaling pathways https://pubmed.ncbi.nlm.nih.gov/36200148/
2 Regeneration or Risk? A Narrative Review of BPC-157 for Musculoskeletal Healing Journal of Clinical Medicine / Review Literature Musculoskeletal regeneration, safety concerns, preclinical evidence https://pubmed.ncbi.nlm.nih.gov/40789979/
3 Gastric pentadecapeptide BPC 157 and its role in accelerating musculoskeletal soft tissue healing Cell & Tissue Research Tendon/ligament repair, soft tissue healing models https://pubmed.ncbi.nlm.nih.gov/30915550/
4 Occluded Superior Mesenteric Artery and Vein: Therapy with BPC-157 Biomedicines Vascular protection, ischemia models, systemic circulation effects https://pubmed.ncbi.nlm.nih.gov/34356860/
5 Counteraction of perforated cecum lesions in rats using BPC-157 World Journal of Gastroenterology Gastrointestinal protection, NO-system involvement https://pubmed.ncbi.nlm.nih.gov/30622376/
6 Pentadecapeptide BPC-157 in experimental inflammatory bowel disease and fistula healing Journal of Pharmacological Sciences GI repair models, wound/fistula healing https://pubmed.ncbi.nlm.nih.gov/18818478/
7 Multifunctionality and Possible Medical Application of BPC-157: Literature & Patent Review Pharmaceuticals (Basel) Broad review of mechanisms, patents, and applications https://pubmed.ncbi.nlm.nih.gov/40005999/