China Undefatted Beef Liver Powder Manufacturer & Factory

Premium Grade Nutrient-Dense Ingredients for Global Pet Nutrition & Human Health Supplements

The Scientific Paradigm of Undefatted Beef Liver Powder

Why raw, whole-matrix, unstripped bovine liver serves as the gold standard in metabolic and cellular nutrition.

In the fields of global functional nutraceuticals and premium biological pet food, the demand for Undefatted Beef Liver Powder has surged. Unlike its defatted counterpart—which undergoes chemical solvent extraction to strip lipids—undefatted bovine liver preserves the complete, natural cellular matrix of the organ. This means that essential fat-soluble vitamins (such as bioavailable Retinol Vitamin A, Vitamin D3, Vitamin E, and Vitamin K2), vital fatty acids (including arachidonic, EPA, and DHA), and membrane-bound phospholipids (phosphatidylcholine, phosphatidylserine) remain entirely intact and bioactive.

From an evolutionary and biological standpoint, the animal liver is recognized as nature's most concentrated source of micronutrients. Stripping these lipids via industrial defatting processes degrades the structural integrity of these crucial complexes, reducing the absorption efficiency of the nutrients. Our state-of-the-art manufacturing facility in China preserves this organic configuration, delivering raw, unadulterated nourishment directly to formulations around the world.

Nutritional Marker Undefatted Beef Liver Powder (Whole-Matrix) Defatted Beef Liver Powder (Solvent-Stripped) Biological Benefit of Undefatted Profile
Retinol (Active Vitamin A) High (Naturally conserved in lipids) Significantly Depleted Supports cellular vision, robust immunity, and healthy gene expression.
Essential Fatty Acids Full spectrum (Omega-3 & Omega-6) Trace levels (<0.5%) Maintains cell membrane integrity, glossy coats (pets), and brain health.
Heme Iron Extremely High & Highly Bioavailable Moderate (Partially oxidized during processing) Prevents anemia, optimizes red blood cell count and cellular oxygenation.
B-Complex Vitamins (B12, Folate) 100% Retained Partially Degraded Supports mitochondrial energy production and nervous system functionality.

Global B2B Sourcing & Supply Chain Integration

Meeting the complex requirements of pet nutrition manufacturers and human supplement brands across the globe.

Premium Pet Food Ingredients

We supply freeze-dried, raw-ingredient grade undefatted liver powder to high-end freeze-dried pet food brands, ensuring clean-label, ancestral diets for dogs and cats.

Human Nutraceuticals

Ideal for formulation into capsules, tablets, and protein powders targeting the carnivore diet market, fatigue management, bodybuilding, and natural multi-vitamin solutions.

Strict BSE/TSE Compliance

Rigorous veterinarian-approved sourcing of raw ingredients from verified pasture-raised, BSE-free regions to guarantee absolute safety and regulatory clearance at international customs.

Technical Manufacturing Architecture & Advanced Roadmap

A look at how we utilize advanced technologies to manufacture clean, potent bio-nutrients.

Phase 1: Traceable Sourcing & Inspection

We source fresh bovine liver exclusively from certified pasture-raised cattle. Each batch must pass rigorous pre-processing controls, verifying BSE-free status and low microbiological baselines.

Phase 2: Cold-Chain Transport & Processing

Fresh livers are flash-frozen within hours of harvest and transported in temperature-controlled environments to protect structural protein integrity and prevent lipolysis.

Phase 3: Lyophilization (Freeze-Drying)

Using low-temperature vacuum freeze-drying, moisture is sublimated directly from the tissue without heat, keeping vitamins, enzymes, and delicate fat compounds structurally active.

Phase 4: Cryogenic Jet Milling

Our mills process the freeze-dried liver under cryogenic conditions, achieving target particle sizes (60 to 120 mesh) while avoiding friction-generated heat that could degrade nutrition.

About Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB)

Over two decades of experience in biotechnology, manufacturing, and global commercial trade.

TRB Production facility inside view TRB Industrial machinery TRB Laboratory quality control testing TRB Industrial extraction systems

Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) is China's leading manufacturer and exporter of herbal extracts, animal-derived nutritional ingredients, and biological derivatives, serving global markets for more than 20 years.

As a technology-based enterprise, TRB integrates research and development, state-of-the-art production lines, and international sales. Our diverse product portfolio spans Herbal extracts, Sweeteners, Nootropics, Vegetable & Fruit Juice powder, Essential oils, and Bee Products.

Driven by rapid development and dedicated service in the plant and animal extract industries over the years, TRB is honored to receive the 2026 Global Biotechnology and Life Sciences Award — "Best Global Herbal Extract Provider 2026".

We currently operate three specialized factories: a herbal extract facility, a bee product factory, and a modern animal extraction plant. These facilities hold a comprehensive series of international certifications, including GMP, ISO, HACCP, ORGANIC, FDA, HALAL, and KOSHER.

In recent years, TRB has focused on research and development of nootropics, brain health herb extracts, anti-aging solutions, and longevity compounds, receiving outstanding feedback from customers in over 60 countries.

20+
Years Experience
3
Dedicated Factories
60+
Export Countries
GMP/ISO
Certified Quality

Global Regulatory Compliance & Safety Protocols

How we ensure our Undefatted Beef Liver Powder meets strict import standards globally.

Working with animal-derived proteins requires strict supply chain transparency and safety guarantees. At TRB, each batch of Undefatted Beef Liver Powder undergoes a validation process to ensure absolute compliance with FDA, EU, and Asian health regulations. We understand the specific regulatory concerns of global importers, and address them with the following protocols:

  • BSE/TSE-Free Certificates: We source solely from verified disease-free cattle regions. Traceability documents accompany every shipment, from pasture to final powder.
  • Heavy Metal Safeguards: Our production line utilizes advanced magnetic filtration and ICP-MS testing to confirm Lead (Pb), Arsenic (As), Cadmium (Cd), and Mercury (Hg) levels are well within international food and dietary supplement limits.
  • Microbiological Clearness: Each batch is sterilized through low-heat methods that do not degrade vital enzymes but ensure complete absence of pathogens, including Salmonella, E. coli, and Listeria.
  • No Additives or Carrier Agents: Our Undefatted Beef Liver Powder contains 100% pure bovine liver, without silica, maltodextrin, flow agents, or chemical preservatives.

Frequently Asked Questions

Everything you need to know about sourcing, shelf life, and shipping logistics.

What makes Undefatted Beef Liver Powder different from standard defatted powder?
Defatted beef liver powder undergoes chemical solvent extraction (often using hexane) to strip out fats. While this increases the relative protein density, it strips away fat-soluble vitamins (Retinol Vitamin A, Vitamin D3, E, and K2), phospholipids, and essential fatty acids. Undefatted beef liver powder retains this entire biological lipid matrix, ensuring a complete, bioavailable, and natural nutrient profile.
How is the raw material sourced, and is it BSE-free?
Yes, our raw bovine livers are sourced from pasture-raised cattle in certified disease-free regions. Every batch is veterinary-inspected and tested, ensuring it is 100% BSE/TSE-free before moving to our processing line.
What is the shelf life and ideal storage conditions?
Due to the presence of natural lipids, undefatted liver powder should be stored in a cool, dry place away from direct sunlight, sealed in its original moisture-barrier packaging. Under these conditions, the shelf life is typically 24 months. For extended shelf life, storage in temperature-controlled spaces (<20°C) is recommended.
What certifications does the TRB factory hold?
Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) operates factories certified under GMP, ISO, HACCP, ORGANIC, FDA, HALAL, and KOSHER, allowing us to support international regulatory filings and clearances.
Can you customize particle sizes (mesh size) for specific applications?
Yes, we offer custom grinding options ranging from 60 mesh (ideal for pet food blending and toppers) to 120 mesh (optimized for capsule filling or drink mixes).

Start Sourcing with TRB

Get in touch with our commercial sales team today for bulk pricing, technical specifications, and regulatory documentation.

Visit Us

Pioneer Bio-Park, No 127 North Road Xishan Bridge, Yu Hua Tai District, Nanjing, China 210012

Call Us

86-25-52863298
86-13770771528

Fax & Connect

86-25-52867040

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