custom capsule

When sourcing custom capsules, the primary choice is between Gelatin (Bovine or Porcine) and HPMC (Vegetarian/Vegan). You must ensure the raw materials are pharmaceutical grade (USP/EP standards). For specific markets, verify Halal or Kosher certifications. Additionally, consider the moisture content; HPMC is better for moisture-sensitive ingredients as it has a lower water content (4-7%) compared to gelatin (13-16%).

Capsules come in standard sizes ranging from 000 (largest) to 5 (smallest). You must confirm that the locking mechanism (e.g., ring-lock or dimple-lock) is compatible with your high-speed filling machines to prevent 'telescoping' or splitting. Request a technical data sheet specifying the external diameter, length, and weight tolerances to ensure a rejection rate of less than 0.01% during production.

Customization includes axial or radial printing using food-grade edible inks. You can choose between transparent, opaque, or pearlescent colors. Beyond aesthetics, consider functional customization such as enteric coating for acid-sensitive ingredients or delayed-release profiles. Ensure the supplier provides a Color Masterbatch report to prove all pigments used are FDA or EFSA approved.

A reputable supplier must hold GMP (Good Manufacturing Practice) certification and ISO 9001/22000. For the US market, ensure the facility is FDA registered. For the European market, compliance with REACH and the absence of Titanium Dioxide (TiO2) in certain food supplements is increasingly critical. Always ask for a Certificate of Analysis (CoA) for every batch produced.

Capsules are highly sensitive to temperature and humidity. For cross-border shipping, use reefer containers (refrigerated) maintained at 15-25°C and 35-65% relative humidity. Ensure the packaging includes heavy-duty corrugated boxes with antistatic plastic liners. It is highly recommended to include data loggers in the shipment to monitor environmental conditions throughout the transit.

Focus on Total Cost of Ownership (TCO) rather than just the unit price. Negotiate based on annual volume commitments to secure lower pricing, even if shipments are staggered. Ask for free samples (usually 1,000-5,000 pieces) to test on your machines before placing a bulk order. On Made-in-China.com, prioritize Diamond Members or Audited Suppliers who have undergone third-party onsite inspections.

Utilize secured payment terms and consider third-party pre-shipment inspections (PSI) to verify quantity, color matching, and printing quality. Ensure the Incoterms (e.g., CIF vs. DDP) are clearly defined in the contract. To protect your brand, sign a Quality Assurance Agreement (QAA) that specifies the procedures for handling non-conforming batches and the timeline for replacements.