In today's global health supplement market, private label vitamin brands face increasing pressure to deliver high-quality, differentiated products that meet regulatory standards and consumer expectations. From bioavailability and ingredient stability to formulation complexity and clean-label demands, the technical and regulatory burdens are significant.

Partnering with the right manufacturer is no longer optional — it’s a strategic imperative. Below, we introduce 10 of the world's most reputable and capable private label vitamin manufacturers, highlighting their unique strengths in technology, compliance, capacity, and service. Among them,ZOOMSHEAL Healthstands out as a technically driven OEM/ODM partner based in China.

1.ZOOMSHEAL Health (Guangzhou, China)– Customization-Focused Specialist

• Founded: 2003

• Expertise: 22+ years in OEM/ODM supplement production; strong in softgels, tablets, powders, capsules, gummies, and liquids.

• Core Technologies:

  • Precision Temperature Encapsulation: Protects oxidation-prone vitamins (C, E) by encapsulating them at low temperatures to ensure stability.

  • Seamless & Multilayer Encapsulation: Enables complex oil-and-water ingredient systems without cross-contamination, improving bioavailability and shelf life.

• Facilities:

  • 10-class GMP cleanrooms, 7+ automated production lines;

  • Annual capacity: 1 billion+ softgels, 300+ tons of powder.

• Certifications: GMP, ISO22000, HACCP, NSF, Halal.

• Ideal For: Medium to large global brands seeking custom formulas and export-ready products with advanced delivery systems.

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2.Glanbia Nutritionals (Ireland/USA)– Global Nutrient Ingredient Giant

• Parent Group: Glanbia PLC (Revenue: $5.4 billion in 2023); 30+ global operations.

• Core Strengths:

  • 17 global R&D centers;

  • Offers custom premixes for sports nutrition and functional health;

  • Owns brands like Optimum Nutrition and BSN.

• Compliance: ISO-certified facilities with strong supply chain governance.

• Ideal For: Established brands needing robust raw material access and contract manufacturing for powder-based vitamins.

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3.Lonza / Capsugel (Switzerland/USA)– Advanced Capsule Technologies Leader

• Output: Over 250–2600 billion capsules annually.

• Innovations:

  • DUOCAP®(capsule-in-capsule systems for staged delivery),

  • Enprotect®(enteric-coated capsules for gut targeting),

  • Plantcaps®(vegetarian, clean-label capsules).

• Certifications: ISO9001, ISO22000, EXCiPACT, non-GMO.

• Ideal For: Brands focused on clean-label, vegan, pharmaceutical-grade, or timed-release capsule formulations.

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4.NutraScience Labs (USA)– Entry-Level, Speed-Oriented Manufacturing

• Focus: Private label services for startups and small brands;

• Strengths:

  • 24–48h sample turnaround;

  • Integrated services: formulation, packaging, labeling.

• Compliance: FDA-registered, cGMP-compliant facilities.

• Ideal For: Emerging DTC brands needing low MOQ and fast launches.

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5.AIE Pharmaceuticals (USA)– Natural & Organic Focused Formulator

• Positioning: Clean-label, USDA Organic, Non-GMO certified contract manufacturing.

• Specialties:

  • Natural extract handling;

  • Allergen-free and minimalist formulations.

• Form Capabilities: Capsules, tablets, powders.

• Ideal For: Brands prioritizing natural, sustainable, and organic formulations.

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6.NHU (Xinhua Pharma, China)– Raw Material Giant Turning to OEM

• Strength: One of the world’s largest producers of vitamin A and E APIs;

• OEM Capability: Integrated vertical model from raw materials to finished supplements.

• Advantage: Competitive pricing and consistency for large-scale orders.

• Ideal For: Brands needing cost-effective high-volume production with secure raw material sourcing.

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7.Sirio Pharma (China, Global)– Smart Manufacturing with Multinational Reach

• Founded: 1993, publicly listed.

• Global Sites: China, Germany, USA – with EU and US regulatory alignment.

• Form Capabilities: Softgels, gummies, tablets, powders, liquids.

• Certifications: TGA-GMP, NSF, BRCGS, Halal, Kosher.

• Ideal For: High-volume clients requiring global certifications and advanced automation.

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8.Vitaquest International (USA)– North America Private Label Expert

• Positioning: Specializes in full-service private label production for U.S. brands.

• Strengths:

  • Expertise in retail and e-commerce-ready packaging;

  • Smooth logistics and product compliance in North America.

• Ideal For: U.S.-focused brands seeking end-to-end production support.

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9.Nutrilo GmbH (Germany)– Stability-Focused Liquid & Effervescent Formulations

• Founded: 1984; Part of PHW Group.

• Core Strengths:

  • Liquid vitamins, effervescent tablets, soluble powders;

  • High standards for ingredient purity and bioavailability.

• Certifications: EU-compliant, ISO-certified.

• Ideal For: European brands emphasizing convenience and advanced oral delivery.

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10.Paragon Laboratories (USA)– SOP-Driven, eCommerce-Friendly Partner

• Founded: 1971.

• Strengths:

  • Over 200 SOPs and full traceability in manufacturing;

  • Amazon-ready, clean-label compliant production lines.

• Compliance: FDA-registered, cGMP certified.

• Ideal For: Brands selling via eCommerce platforms requiring turnkey, high-quality production.

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Summary Table: Manufacturer Comparison (Key Technical & Service Capabilities)

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Conclusion: Why ZOOMSHEAL Health Stands Out

In a global market filled with giants and specialists,ZOOMSHEAL Healthoffers a unique blend of:

• Technical innovation(e.g., multilayer softgel systems);

• Custom formulation agility;

• Flexible capacity for growing brands;

• Stringent quality control & global certifications;

• Export readinessacross Europe, the U.S., Southeast Asia, and the Middle East.

Whether you’re launching a new vitamin line, scaling production, or seeking better bioavailability and shelf life in your formulations — ZOOMSHEAL Health is a manufacturer that delivers both precision and partnership.

📩Contact us todayto explore our private label capabilities and get a free consultation on formulation strategies.