GI Peptide Blend

GI Peptide Blend 4 — Oral Administration Studies (RUO)

CAS Number: Mixture (see component specs)
Molecular Formula / Weight: Mixture (see component specs)
Synonyms: GHK-Cu (Copper Tripeptide-1); BPC-157; KPV (Lys-Pro-Val); Larazotide

Description
GI Peptide Blend 4 is a research-grade, four-peptide capsule supplied for oral administration studies and GI model research. The blend contains GHK-Cu (Copper Tripeptide-1), BPC-157, KPV (Lys-Pro-Val), and Larazotide (free base). Researchers use this product to support method development, oral dosing workflow simulations, and peptide handling/compatibility studies in GI-relevant models.

Form: Oral capsule (size #2)
Amount (per capsule):

GHK-Cu: 2.5 mg

BPC-157: 1.0 mg

KPV (Lys-Pro-Val): 500 mcg

Larazotide (free base): 500 mcg
Net Fill: ~200 mg total powder per capsule (research excipients only; no additional actives)
Purity: Each peptide ≥95% (HPLC)
Storage: Store sealed in a cool, dry place. Protect from light and moisture.
Solubility: Capsule form; not intended for reconstitution

Component Specifications (per peptide)

GHK-Cu (Copper Tripeptide-1)

CAS: 89030-95-5 (Cu complex)

Molecular formula: C14H22CuN6O4

Molecular weight: ≈401.9 g/mol.
MedChemExpress
+1

BPC-157

CAS: 137525-51-0

Molecular formula: C62H98N16O22

Molecular weight: ≈1419.5 g/mol.
PubChem
+1

KPV (Lys-Pro-Val)

CAS: 67727-97-3

Molecular formula: C16H30N4O4

Molecular weight: ≈342.43 g/mol.
PubChem
+2
ChemicalBook
+2

Larazotide (free base)

CAS: 258818-34-7

Molecular formula: C32H55N9O10

Molecular weight: ≈725.8 g/mol.
medkoo.com
+2
ChemSpider
+2

(For reference: Larazotide acetate uses CAS 881851-50-9, formula C34H59N9O12, MW ≈785.9 g/mol—but your stock is free base, listed above.
medkoo.com
)

Applications
For laboratory research use only (RUO). Suitable for oral administration studies, GI model workflows, dose preparation exercises, and handling/compatibility evaluations. Not for human consumption, diagnostic, or therapeutic use.

Disclaimer
All products sold by SP Biolabs are intended for laboratory research use only. Not for human or veterinary use. Not for diagnostic, therapeutic, or cosmetic purposes. By purchasing, you confirm that you are a qualified professional or entity using these materials for lawful scientific research only.