Wholesale Weight Gain Supplier & Factory

Premium Plant-Based High-Protein Elements and Dietary Carbohydrates for Weight Gain Formulations and Sports Nutrition Solutions

Industrial Weight Gain Formulations & Raw Ingredients

Direct supply of plant proteins and high-density macronutrients engineered to support calorie density, cellular synthesis, and structural mass gains.

Wholesale VWG-PS Wheat Gluten Pellets

Wholesale VWG-PS Wheat Gluten Pellets Manufacturer, Supplier

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High-Quality Isolated Soy Protein

High-Quality 9001BW/9001B-Y/9000 Meat & Emulsion Type, Isolated Soy Protein Supplier, Factory

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Wholesale Isolated Soy Protein

Wholesale 9007B-C Meat & Emulsion Type, Isolated Soy Protein Manufacturer, Factory

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Wholesale Functional Soy Protein Concentrate

Wholesale Functional Soy Protein Concentrate (NON GMO) Supplier, Factory

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High-Quality Tofu Vegetarian Protein

High-Quality Tofu & Vegetarian Type, Isolated Soy Protein: 9005B Manufacturer, Supplier

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Wholesale Isolated Soy Protein

Wholesale 9007B-C Meat & Emulsion Type, Isolated Soy Protein Supplier, Factory

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Wholesale Soy Dietary Fiber

Wholesale SDF - Soy Dietary Fiber Manufacturer, Supplier

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High-Quality Soy Protein

High-Quality 9007B-A Meat & Emulsion Type, Isolated Soy Protein Supplier, Factory

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The Science of Formulating Weight Gain & Muscle Rebuilding Products

How clean-label plant protein isolates and complex carbohydrates drive weight gain, lean muscle accretion, and industrial food efficiency.

Developing effective mass gainers, clinical weight-recovery formulas, and highly nutritious foods requires high-performance plant protein ingredients and robust carbohydrate bases. In B2B formulations, Isolated Soy Protein (ISP) and Vital Wheat Gluten (VWG) are foundational elements. They provide a complete amino acid profile, high digestibility, and excellent functional properties such as gelation, water absorption, and emulsion stability.

For individuals needing weight gain—whether for clinical recovery, sports nutrition, or healthy metabolic development—the calorie density must be matched with quality protein sources. Plant-based ingredients offer clean-label compliance, lower allergen risks compared to dairy, and high bioavailability. They serve as the structural backbone of weight-gain powders, high-protein energy bars, ready-to-drink (RTD) nutritional shakes, and animal feed formulas designed for optimal growth.

As a leading supplier, our industrial production processes isolate soy proteins and extract starch matrices. This ensures that every metric ton of vital wheat gluten or soy isolate provides consistent nitrogen solubility, heat-induced gelation capacity, and high caloric support. These properties make it easy to incorporate into your custom recipes.

Scientific Formulation Analysis

China Factory Operations: Scalability, Technology & Supply Chain Integration

A look at Xinrui Group’s industrial scale, processing 500,000 tons of wheat and 180,000 tons of soybeans annually.

High Capacity Processing Factory in China

Xinrui Group, founded in May 2003, operates a massive industrial complex covering over 1,000 mu. The group runs integrated facilities, including GUANXIAN XINRUI INDUSTRIAL CO., LTD. (established in 2007, registered capital of 100 million Yuan) and SHANDONG KAWAH OILS CO., LTD. (established in 2014, registered capital of 120 million Yuan).

Our wheat processing division processes 500,000 tons of wheat flour annually. We utilize advanced tri-canter separation technology to extract high-purity vital wheat gluten and starch matrices. The byproduct, Starch B, along with pentosan, is channeled into alcohol distillation and animal feed production, forming a highly sustainable circular economy. This clean, closed production loop guarantees high quality and keeps output at the top of the industry.

Our soybean division, Shandong Kawah Oils Co., Ltd., processes 180,000 tons of locally sourced, non-GMO soybeans annually. Our facility features China’s largest single production line for isolated soy protein, powered by the advanced Dachuanyuan spray-drying tower system. This allows us to extract non-GMO soybean oil, food-grade soy meal, isolated soy proteins, and dietary fibers in a streamlined process.

500K Tons
Annual Wheat Processing
180K Tons
Annual Non-GMO Soybean Capacity
100M+ Yuan
Registered Capital Invested
70%+
Direct Global Export Capacity

Global Trends: The Rise of Plant-Based Weight Gain & Clinical Nutrition

Evolving global regulations and shifts in consumer intent demand high-efficiency, clean-label plant protein products.

Clean-Label Non-GMO Sourcing

Buyers want traceably certified non-GMO weight gain ingredients. Using Kawah Oils' IP Non-GMO soy meal ensures clean certifications for international formulations.

Geriatric & Recovery Nutrition

Aging populations require digestible proteins to combat muscle wastage. Custom soy isolates (9003B/9005B) offer the needed gelation and solubility for easy-to-consume foods.

Eco-friendly Production

Xinrui Group uses its circular economy model to reduce waste. This matches the carbon footprint goals of major global food brands.

Formulators face challenges matching the amino acid profiles of dairy with plant bases. Soy Protein Isolate has a PDCAAS of 1.0, matching whey or casein. This makes it an ideal alternative for allergen-friendly mass gainer products.

Additionally, wheat gluten provides high structural integrity, helping to bind proteins in meat replacements and textured foods. It also acts as a binder in high-performance aquafeeds, ensuring fish and livestock absorb nutrients efficiently for optimal weight gain.

Soy protein extraction lab testing

Custom Formulations: Plant Protein Solutions for Target Markets

Explore how our raw ingredients are tailored for sports performance, clinical nutrition, and agricultural applications.

Industrial packaging and logistics warehouse

1. Sports Nutrition & Energy Bars

For high-calorie weight gain powders, our dispersion-type soy protein isolate (9030/9032) mixes smoothly into liquids without clumping. Its clean flavor profile blends well with various flavorings.

2. Vegetarian Foods & Muscle Recovery

Our meat and emulsion type soy protein isolates (9007B-C/9001BW) provide high water-binding and fat-emulsifying properties. These are ideal for structured vegetarian foods that support mass gain through daily nutrition.

3. Aquaculture and Animal Nutrition

Wheat gluten pellets (VWG-PS) and wheat starch act as functional binders in aquafeeds. Their viscoelastic properties hold feed pellets together in water, preventing nutrient loss and ensuring fish receive the necessary nutrition for weight gain.

4. Clinical Nutrition & Dietary Supplements

High-purity soy protein isolates (such as 9005B and 9003B) are used in clinical weight gain formulas to assist patients recovering from muscle loss or chronic conditions. They are easy to digest and gentle on the stomach.

5. Industrial Ethanol Production

We process Wheat Starch B and pentosan to produce high-grade ethyl alcohol (95% and 96% Superior Grade). This supports operations across various industries, including pharmaceuticals and food processing.

Fully integrated factory plant layout

Specialized Product Center Catalog

A comprehensive range of non-GMO soy protein isolates, vital wheat glutens, and starches designed for global formulation needs.

9007B-C Meat & Emulsion Type

9007B-C Meat & Emulsion Type, Isolated Soy Protein

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9007B-C Meat & Emulsion Type Variant

9007B-C Meat & Emulsion Type, Isolated Soy Protein

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9007B-A Meat & Emulsion Type

9007B-A Meat & Emulsion Type, Isolated Soy Protein

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9001BW/9001B-Y/9000 Meat & Emulsion Type

9001BW/9001B-Y/9000 Meat & Emulsion Type, Isolated Soy Protein

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Beverage & Dispersion Type 9030/9032

Beverage & Dispersion Type, Isolated Soy Protein 9030/9032

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Meat & Injection Type 9020/9026/9028

Meat & Injection Type, Isolated Soy Protein 9020/9026/9028

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Tofu & Vegetarian Type 9005B

Tofu & Vegetarian Type, Isolated Soy Protein: 9005B

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Tofu & Vegetarian Type 9003B

Tofu & Vegetarian Type, Isolated Soy Protein: 9003B

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9500 Meat & Emulsion Type

9500 Meat & Emulsion Type, Isolated Soy Protein

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Soy Dietary Fiber

Soy Dietary Fiber

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SDF - Soy Dietary Fiber

SDF – Soy Dietary Fiber

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VWG-PS Wheat Gluten Pellets

VWG-PS Wheat Gluten Pellets

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VWG-P Wheat Gluten Powder

VWG-P Wheat Gluten Powder

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VWG-PS Wheat Gluten Pellets Variant

VWG-PS Wheat Gluten Pellets

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VWG-P Wheat Gluten Powder Variant

VWG-P Wheat Gluten Powder

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Functional Soy Protein Concentrate (NON GMO)

Functional Soy Protein Concentrate (NON GMO)

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Wheat Starch

Wheat starch

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Video Audits: Tour Our Industrial Plants Virtually

Transparency through video. Review our automated processing zones, raw material storage, and quality control labs.

Global Standards & Quality Compliance

Our facilities are fully certified to meet safety and dietary regulations for international markets.

Xinrui Group Certification 1

Xinrui Group Certificate (1)

Xinrui Group Certification 2

Xinrui Group Certificate (2)

Xinrui Group Certification 3

Xinrui Group Certificate (3)

Xinrui Group Certification 4

Xinrui Group Certificate (4)

Xinrui Group Certification 5

Xinrui Group Certificate (5)

FAQ: Answers for Formulation & Procurement Specialists

Get answers to common questions about sourcing plant proteins and dietary carbohydrates for weight gain applications.

Are you a trader or a manufacturer?
We are a fully integrated group company named Xinrui Group, handling both manufacturing and export operations. Our soy protein isolate is produced by Shandong Kawah Oils Co., Ltd, which has an annual capacity of 50,000 tons. Our wheat gluten is manufactured by Guanxian Xinrui Industrial Co., Ltd, producing 30,000 tons of vital wheat gluten per year. Export operations are managed by Guanxian Ruichang Trading Co., Ltd.
What certifications do your materials hold?
Our facilities and products hold certifications including HACCP, ISO9001, ISO22000, BRC, HALAL, KOSHER, IP-NON GMO, and SGS. Additional documentation can be provided to meet specific regional requirements.
How does isolated soy protein support weight gain formulation?
Isolated Soy Protein contains over 90% protein on a dry basis and has a PDCAAS of 1.0. This makes it highly bioavailable and equivalent to milk protein. It serves as an excellent base for high-protein weight gain formulas, helping to rebuild muscle and support weight recovery.
What are the MOQ and packaging specifications?
Standard packaging is 20kg or 25kg multi-layer paper bags with inner PE liners. We also offer bulk super-sacks for large-scale operations. Our standard minimum order quantity (MOQ) is 1x20GP container. Please contact our sales team to discuss trial order options.
Why use vital wheat gluten in aquaculture weight gain programs?
Vital wheat gluten acts as a natural binder in aquaculture feeds. Its viscoelastic properties improve pellet stability in water, ensuring fish receive full nutritional intake for optimal growth while reducing feed waste.

Additional Industrial Products & Specifications

A selection of plant-based starches, fibers, and specialized protein blends for food production and industrial applications.

Wholesale 9002B Chopping Type Soy Protein

Wholesale 9002B Chopping Type, Isolated Soy Protein Supplier, Factory

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Wholesale 9005B Vegetarian Type Soy Protein

Wholesale 9005B Vegetarian Type, Isolated Soy Protein Supplier, Factory

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Wholesale VWG-P Wheat Gluten Powder

Wholesale VWG-P Wheat Gluten Powder Manufacturer, Supplier

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Wholesale Meat Injection Type Soy Protein

Wholesale Meat & Injection Type, Isolated Soy Protein 9020/9026/9028 Manufacturer, Factory

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High-Quality 9003B Vegetarian Type Soy Protein

High-Quality 9003B Vegetarian Type, Isolated Soy Protein Supplier, Factory

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Wholesale 9001BH Meat Type Soy Protein

Wholesale 9001BH Meat Type, Isolated Soy Protein Manufacturer, Factory

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Wholesale Tofu Vegetarian Protein 9003B

Wholesale Tofu & Vegetarian Type, Isolated Soy Protein: 9003B Supplier, Factory

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Wholesale 9500 Meat Emulsion Type Soy Protein

Wholesale 9500 Meat & Emulsion Type, Isolated Soy Protein Manufacturer, Supplier

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