China has become one of the world’s largest production hubs for dietary supplements, nutraceutical ingredients, and private label health products. From softgel capsules to tablets, powders, gummies, and functional ingredients, Chinese supplement manufacturers supply brands across North America, Europe, South America, Southeast Asia, and the Middle East.

For importers, brand owners, wholesalers, and Amazon sellers, choosing the right bulk supplement manufacturer is critical for product quality, compliance, scalability, and long-term business growth.

In this guide, we introduce the top 10 bulk supplement manufacturers in China and explain why Shandong Health Source is becoming a preferred partner for global supplement brands.

Why China Leads the Global Bulk Supplement Industry

China’s supplement manufacturing industry offers several advantages:

• Competitive production costs

• Large-scale manufacturing capacity

• Mature supply chains for raw materials

• Advanced encapsulation and tableting technologies

• Flexible OEM/ODM services

• International certifications such as GMP, HACCP, ISO, BRC, and FDA registration

Today, many international supplement brands source:

• Softgel capsules

• Hard capsules

• Tablets

• Sachet powders

• Gummies

• Functional ingredients

• Herbal extracts

• Sports nutrition products

from Chinese manufacturers.

Top 10 Bulk Supplement Manufacturers in China

1. Shandong Health Source

Shandong Health Source is a professional dietary supplement contract manufacturer specializing in bulk supplements and finished dosage forms for global markets.

The company provides comprehensive OEM and ODM services for customers looking to develop private label supplement brands or source semi-finished bulk products.

Main Products

• Softgel capsules

• Hard capsules

• Tablets

• Sachet powders

• Fish oil supplements

• Vitamins and minerals

• Herbal supplements

• Sports nutrition products

Key Advantages

• Strong export experience worldwide

• GMP-compliant manufacturing facilities

• Flexible custom formulation services

• Support for private label projects

• Competitive MOQ options

• Professional international sales support

Why Shandong Health Source Stands Out

Compared with many traditional factories, Shandong Health Source focuses heavily on customized solutions and international business communication. This makes the company especially suitable for:

• Supplement startups

• Importers

• Amazon supplement sellers

• Pharmacy brands

• Nutraceutical distributors

The company also offers both bulk packaging and finished retail packaging solutions, helping customers simplify their supply chain.

2. BY-HEALTH Manufacturing

BY-HEALTH is one of China’s most recognized nutraceutical companies with advanced production technologies and strong R&D capabilities.

Strengths

• Large-scale production

• Advanced testing laboratories

• Strong domestic and international reputation

• Wide supplement portfolio

3. Sirio Pharma

Sirio Pharma is a well-known global nutraceutical CDMO specializing in softgels, gummies, and functional dosage forms.

Strengths

• Advanced gummy technologies

• Global compliance standards

• Strong innovation capability

• International customer base

4. CSPC Pharmaceutical Group Nutraceutical Division

CSPC is a major pharmaceutical company with expanding nutraceutical manufacturing operations.

Strengths

• Pharmaceutical-grade quality systems

• Strong R&D support

• Large production capacity

5. Weihai Baihe Biology Technological

Weihai Baihe is one of China’s leading dietary supplement OEM manufacturers.

Strengths

• Multiple dosage forms

• Export-oriented production

• Mature OEM/ODM capabilities

6. Zhejiang NHU Company

NHU is widely known for producing vitamins, nutritional ingredients, and functional raw materials.

Strengths

• Strong raw material manufacturing

• Global ingredient supply chain

• Large-scale vitamin production

7. Kingdomway Group

Kingdomway focuses on nutritional ingredients including coenzyme Q10, probiotics, and sports nutrition ingredients.

Strengths

• Ingredient innovation

• International market presence

• Strong scientific research background

8. Gensei Global Industries

Gensei Global Industries

Gensei supplies botanical extracts, amino acids, vitamins, and sports nutrition ingredients.

Strengths

• Diverse ingredient catalog

• Export-focused services

• Strong customization support

9. ShineHerb Biotech

ShineHerb specializes in herbal extracts and natural nutritional ingredients.

Strengths

• Botanical extraction expertise

• Natural ingredient focus

• International quality certifications

10. NuoPharm

NuoPharm

NuoPharm provides private label supplement manufacturing services for international brands.

Strengths

• Flexible OEM services

• Broad dosage form capabilities

• Export compliance experience

How to Choose the Right Bulk Supplement Manufacturer in China

When selecting a supplement manufacturer, buyers should evaluate several critical factors.

1. Certifications

Look for manufacturers with certifications such as:

• GMP

• HACCP

• ISO

• FDA registration

• Halal

• Kosher

• BRC

These certifications help ensure quality and regulatory compliance.

2. Dosage Form Capabilities

A strong manufacturer should support multiple formats, including:

• Softgels

• Capsules

• Tablets

• Powders

• Gummies

• Liquids

This flexibility helps brands expand their product lines efficiently.

3. R&D and Custom Formulation

OEM and ODM services are important for brands seeking differentiated products.

Choose manufacturers that can assist with:

• Formula development

• Flavor customization

• Packaging design

• Stability testing

4. International Export Experience

Manufacturers with export experience better understand:

• International regulations

• Documentation requirements

• Shipping logistics

• Label compliance

Why More Global Brands Choose Shandong Health Source

Shandong Health Source continues to grow as a trusted partner for international supplement brands because of its balance between quality, customization, pricing, and service.

The company offers:

• One-stop supplement manufacturing

• Bulk and finished product solutions

• Professional export support

• Flexible OEM/ODM services

• Stable production quality

• Efficient communication

For businesses looking to launch or expand supplement brands, Shandong Health Source provides reliable manufacturing support from formulation to final packaging.

Final Thoughts

China remains one of the most important global sourcing destinations for dietary supplements and nutraceutical products. The country offers advanced manufacturing infrastructure, cost advantages, and scalable production capabilities for international brands.

Among the top bulk supplement manufacturers in China, Shandong Health Source stands out for its strong OEM/ODM services, export experience, flexible customization, and comprehensive dosage form capabilities.

Whether you are building a new supplement brand or expanding an existing product line, partnering with the right manufacturer can significantly impact your success in the global nutraceutical market.