8 Best Dietary Supplement Suppliers in the World (2025 Edition)

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Introduction: Why Choosing the Right Dietary Supplement Suppliers

Dietary Supplement Suppliers

The global dietary supplement market continues to grow rapidly, driven by increasing demand for health, wellness, and preventive nutrition solutions. Whether you are a startup brand or an established company, selecting the right supplier is crucial for product quality, compliance, and long-term business success.

The best suppliers not only provide high-quality raw materials but also offer services such as custom formulation, private labeling, and regulatory support. Below, we list the 8 best dietary supplement suppliers in the world for 2025, including a detailed look at their product lines and capabilities.

1. ENZ Pharmtech (Global)

ENZ Pharmtech is a leading contract dietary supplement manufacturer under ENZ Biotech Center, with an overseas branch called ENZ Wellness. The company specializes in manufacturing cutting-edge supplements focused on personal health, lifestyle, wellness, beauty, sports nutrition, and even pet nutrition.

Products

Why They Stand Out

  • Global Reach: Supplies products to multiple continents, ensuring reliable international logistics.
  • R&D Strength: Decades of experience in supplement formulation and advanced production facilities.
  • Custom Development: Offers full-service solutions from idea to market launch.

2. NutraScience Labs (USA)

NutraScience Labs is one of the most recognized dietary supplement manufacturers in the U.S. offering GMP-certified facilities and complete turn-key solutions.

  • Custom vitamin & supplement formulation
  • Blister packaging and bottling
  • Label design and marketing support

3. Makers Nutrition (USA)

Makers Nutrition is known for its ability to scale from small-batch to mass production. They provide gummies, softgels, powders, and capsules and have a strong reputation for rapid lead times.

  • Private label supplements
  • FDA-registered facility
  • Third-party testing for quality assurance

4. BioCeuticals (Australia)

BioCeuticals is one of Australia’s leading providers of practitioner-only nutritional supplements. They focus heavily on scientific research and clinical evidence.

  • Therapeutic-grade vitamins and minerals
  • Functional supplements for immune and gut health
  • Clinical education and support for healthcare professionals

5. Lonza Capsules & Health Ingredients (Switzerland)

Lonza is a global leader in capsule technology, producing vegetarian and specialty capsules as well as key health ingredients.

  • Patented vegetarian capsules (Plantcaps®, Licaps®)
  • Probiotic and nutraceutical ingredients
  • High scalability for global brands

6. Vitaquest International (USA)

Vitaquest offers custom manufacturing services for dietary supplements, nutraceuticals, and functional foods. Their solutions include formulation, manufacturing, and packaging.

  • Powders, capsules, and softgels
  • Flexible production for both small and large brands
  • Strong regulatory compliance support

7. Aenova Group (Germany)

Aenova is a leading European CDMO (Contract Development and Manufacturing Organization) for pharmaceuticals and nutraceuticals.

  • Advanced manufacturing for tablets, capsules, and softgels
  • Strict European GMP compliance
  • Focus on innovation and sustainability

8. Sirio Pharma (China)

Sirio Pharma is one of China’s top nutraceutical manufacturers with a global export presence. They specialize in functional gummies, softgels, and powders.

  • State-of-the-art facilities with international certifications
  • Strong R&D team for custom formulation
  • Affordable pricing and bulk production capability

Key Considerations When Selecting a Supplier

  • GMP Certification: Ensures quality and safety compliance.
  • Scalability: Choose a supplier that can grow with your business.
  • Regulatory Knowledge: Must be familiar with FDA, EFSA, or TGA guidelines.
  • Lead Times: Fast turnaround is critical for competitive markets.
  • Product Variety: Ability to produce gummies, softgels, and powders for brand expansion.

Summary Table

SupplierHeadquartersSpecialtiesKey Strength
ENZ PharmtechChina (Global Branches)Gummies, capsules, powdersFull-service custom development
NutraScience LabsUSACustom formulations, bottlingTurn-key supplement solutions
Makers NutritionUSAGummies, powders, softgelsFast production and scalability
BioCeuticalsAustraliaTherapeutic supplementsScience-backed formulations
LonzaSwitzerlandCapsule technology, probioticsInnovative delivery systems
VitaquestUSACapsules, powdersRegulatory support & flexibility
Aenova GroupGermanyTablets, capsules, softgelsStrict GMP compliance
Sirio PharmaChinaGummies, softgelsAffordable bulk production

References

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