PEPDOO® Bovine Spleen Peptide
PEPDOO® delivers a proprietary, low-molecular-weight bovine spleen peptide designed to support immune health and functional nutrition. Direct from our GMP-certified factory.
Why Leading Brands Choose PEPDOO® as Their Manufacturer

Source Manufacturer
PEPDOO® is a vertically integrated functional peptide manufacturer. From organ sourcing to peptide extraction, everything is done in-house under GMP and ISO standards.
Clinically Validated Function
Our bovine spleen peptide is scientifically proven to support immune regulation, including nitric oxide scavenging and macrophage activation.
Patent & Standard Leadership
Backed by patent CN120138094A and recognized as a core drafter of the T/UNP 661—2025 "Bovine Spleen Peptide" standard, PEPDOO® sets the benchmark for the industry
What Is Bovine Spleen Peptide?
PEPDOO® Bovine Spleen Peptide is a premium-grade functional peptide ingredient derived from high-quality bovine spleen tissue through a patented multi-enzyme hydrolysis process. This advanced enzymatic technique breaks down spleen proteins into bioactive peptide fractions with high bioavailability, excellent water solubility, and outstanding formulation versatility. The resulting bovine spleen peptide complex is scientifically designed to enhance both innate and adaptive immune responses, playing a critical role in immune modulation, inflammation control, and overall immune balance.
As a trusted peptide manufacturer with vertically integrated capabilities, PEPDOO® oversees the entire production process—from raw material sourcing and organ selection to enzymatic hydrolysis and final quality testing. We maintain full traceability and strict control over every batch to ensure consistent purity, safety, and performance. Our bovine spleen peptides are neutral in taste and stable across various formulation environments, making them ideal for immune-support supplements, functional foods, and nutraceutical innovations.
With our commitment to R&D, GMP-level production, and global regulatory support, PEPDOO® is your reliable partner in delivering high-performance immune health peptide solutions for forward-thinking brands and manufacturers worldwide.

Key Functional Benefits of PEPDOO® Bovine Spleen Peptide
With its clinically supported immune-enhancing effects, excellent formulation flexibility, and clean-label profile, PEPDOO® Bovine Spleen Peptide stands out as a next-generation functional ingredient for health-focused formulations. Whether you’re developing advanced nutraceuticals, functional beverages, or veterinary solutions, our spleen-derived peptide offers proven efficacy, safety, and scalability — backed by a trusted peptide manufacturer with full vertical integration and global technical support.
Immune Regulation
Supports both innate and adaptive immunity by modulating key immune pathwa
NO• Scavenging
Demonstrates powerful antioxidant and immune-regulatory activity.
Gut–Immune Axis
Supports mucosal immunity and systemic immune balance through gut–immune interaction.
High Bioavailability
Small peptide size ensures efficient absorption and targeted functionality.
Clean Label
Clean-label raw material suitable for sensitive formulations.
Versatile Use
Ideal for use in capsules, sachets, beverages, and veterinary immune formulations.
Validated Immune Mechanisms
In vitro & in vivo studies have demonstrated multiple immune-modulating effects of PEPDOO® Bovine Spleen Peptide.
- 🧪 NO Scavenging: >92% clearance at 0.5 mg/mL
- 🦠 Macrophage Activation: ↑ Phagocytosis Index
- 🔄 Cytokine Modulation: TNF-α ↓ / IL-6 ↔
- 🧫 Cell Viability: ↑ via CCK-8 assay
- 🔬 Receptor Targeting: Docking with TLR2 / TLR4
📊 Request full technical deck or whitepaper via our team.
PEPDOO®
Bovine Spleen Peptide
Application Scenarios & Delivery Formats
Immunity Sachet Drink
Daily‑dose powder format (3–5 g/day) for instant functional beverages.
Capsules / Tablets
250–500 mg finished dosage forms for immune health supplements.
RTD Functional Dairy
Seamless integration into yogurt, milk, or probiotic dairy drinks.
Veterinary & Pet Nutrition
Ideal for soft chews, snacks, and granules supporting pet immunity.
Whether you’re formulating sachet drinks, capsules, functional dairy, or pet nutrition products, PEPDOO® Bovine Spleen Peptide adapts seamlessly across delivery formats. We offer full support for prototyping, dosage optimisation, and OEM/ODM customisation — empowering your team to innovate faster, from concept to commercialisation.
Your Trusted Source Manufacturer for Bovine Spleen Peptide
With an annual production capacity exceeding 6,000 metric tons, PEPDOO® is a vertically integrated manufacturer specializing in bovine spleen peptide. We control the entire process—from raw bovine spleen sourcing and enzymatic hydrolysis to spray drying and quality assurance release—all done in-house with no outsourcing. This ensures consistent, high-purity bovine spleen peptide with reliable performance, trusted by global brands and formulators seeking factory-direct quality and full traceability.




3-stage In-house QC
Every batch verified through enzymatic, microbial & functional tests
Exported to 35+ Countries
Trusted by brands in EU, US, and Asia-Pacific
0 Recalls Since 2015
Proven safety & traceability
6,000 MT Capacity
Fully vertical peptide manufacturing process
Your Trusted Global Partner in Peptide Innovation
PEPDOO® offers a full spectrum of animal- and plant-based peptides with a commitment to innovation, purity, and B2B excellence. With proprietary patents in enzymatic hydrolysis and nano purification, we’re the bulk Bovine Spleen Peptide manufacturer of choice for companies seeking science-backed, scalable peptide ingredients.






Let’s Create Something Powerful Together
Ready to formulate your next liver-support innovation? PEPDOO® offers private label, custom peptide blends, and R&D partnership options tailored for your target market.