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Capsule Filling Machine Technology in Supplement OEM: Choosing the Right Equipment

April 9, 2026
Capsule Filling Machine Technology in Supplement OEM: Choosing the Right Equipment

A deep dive into capsule filling machines used in supplement OEM manufacturing, from manual to fully automated systems, and how to choose the right technology.

The Importance of Capsule Filling in Supplement Production

Capsules remain one of the most popular delivery formats for health supplements due to their convenience, taste-masking properties, and professional appearance. The capsule filling process directly impacts product quality, consistency, and consumer satisfaction.

Types of Capsule Filling Machines

Manual Capsule Fillers

Suitable for small-scale production and R&D, manual fillers can produce 100-500 capsules per hour. Useful for initial product development and small batch testing.

Semi-Automatic Capsule Fillers

These machines combine manual loading with automatic filling and capping, producing 5,000-25,000 capsules per hour. Ideal for medium-volume OEM production runs.

Fully Automatic Capsule Fillers

Modern automatic fillers can produce 100,000-200,000 capsules per hour with minimal human intervention. They feature advanced weight control, defect rejection, and integration with downstream packaging.

Hard Capsule vs. Softgel Production

Hard Capsule Filling

Hard capsules (typically gelatin or HPMC) are filled with powders, granules, pellets, or even mini-tablets. Modern dosator and tamping pin systems ensure precise dosing across all formulation types.

Softgel Manufacturing

Softgels require specialized rotary die encapsulation equipment that simultaneously forms the gelatin shell and fills it with the liquid or semi-solid contents. Softgels are particularly suitable for oil-based supplements.

Quality Control Features

  • 100% weight checking with statistical process control
  • Automatic rejection of underweight or overweight capsules
  • Empty capsule detection systems
  • Vision inspection for cosmetic defects
  • Capsule polishing for clean, shiny appearance
  • Metal detection and X-ray inspection

Cleaning and Changeover Considerations

For OEM manufacturing serving multiple clients, fast cleaning and changeover capabilities are essential. Modern fillers feature toolless changeover, easy-to-clean designs, and rapid validation procedures to maximize equipment utilization.

Capsule Material Compatibility

Different capsule materials (gelatin, HPMC, pullulan) require different machine settings and considerations. Vegetarian capsules made from HPMC are increasingly popular and require specific handling parameters.

ACC Biotech's Capsule Manufacturing Capabilities

ACC Biotech (www.accbiotech.com) operates state-of-the-art capsule filling lines capable of producing both hard capsules and softgels at scale. Our facilities feature multiple production lines for different capsule sizes and types, advanced quality control systems, and flexible changeover capabilities. Whether you need 10,000 or 10 million capsules, ACC Biotech delivers consistent quality. Contact us to discuss your capsule supplement OEM requirements.

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More from ACC Biotech: visit our international certifications, production equipment page, or contact us to discuss your project.