Preformed Fibrils

Available now – ready to ship

Welcome to rPeptide | Peptide and Protien Company USA | Biotech Supplier USA

We provide high quality recombinant, reagents, peptides, protiens, antibodies, custom services, and more for Alzheimer’s, Parkinson’s and other neurodegenerative research worldwide.

Your R & D Partner

We specialize in hard to express protien synthesis – rPeptide offers a wide ange of custom services, including molecular biology, protien expression and purification, and uniform C13 and N15 labeling of peptide and protiens.

Featured Categories

Beta-Amyloid Peptides

BA(1-40),NH4OH, BA(1-42),HFIP N15 BA(1-42)

Synuclein Proteins

A-Syn, N15 A-Syn, A-Syn, Mouse A-Syn Mutants

Tau Proteins

Tau-441, Tau-352, C13 Tau-441, FITC Tau-441

Contract Services

Custom Peptides & Proteins Lab Services

Featured Preformed Fibrils

view all Preformed Fibrils

Tau-441 Preformef Fibrils

$225.00 – $1,500.00

Alpha-Synuclein Preformed Fibrils

$300.00 – $3,500.00

Beta-Amyloid(1-42)Preformed

$200.00 – $2,240.00

Market leading biotechnology supplier

rPeptide is a leading peptide and protein company in the USA, supplying high-quality reagents for Alzheimer’s, Parkinson’s, and neurodegenerative disease research worldwide. As a trusted biotech supplier, we provide recombinant peptides, proteins, antibodies, fibrils, and custom services to support academic and industry laboratories.

In addition, rPeptide offers a wide range of custom services, including molecular biology, protein expression and purification, and uniform C13 and N15 labeling of peptides and proteins.

Researchers looking to buy recombinant peptides, proteins, and research-grade reagents rely on rPeptide for purity, batch-to-batch consistency, and dependable long-term supply.

rPeptide is your trusted R&D partner.