Frequently Asked Questions

StellarCaps manufactures empty hard gelatin capsules and empty HPMC / hypromellose capsules as its core product lines. Pullulan capsules and starch capsules are also available for projects that require additional plant-derived capsule options.

Selection depends on target fill weight, bulk density, flowability, formulation behavior, and filling-equipment compatibility. Standard sizes range from 00 to 4; the Capsule Sizes page provides dimensional and estimated fill-weight references for initial evaluation.

HPMC capsules use a plant-derived hypromellose shell and are often evaluated for vegetarian positioning or lower-moisture requirements. Hard gelatin capsules use gelatin and remain a widely used two-piece format with broad formulation and filling-machine compatibility.

HPMC capsules are commonly considered when a product requires a plant-derived shell, vegetarian positioning, or a lower-moisture capsule option. The final choice should be confirmed through formulation review, sample evaluation, filling trials, packaging selection, and target-market requirements.

Yes. StellarCaps offers transparent, translucent, standard-color, two-tone, and project-specific capsule color options. Custom colors are reviewed against the confirmed capsule material, target appearance, order quantity, and applicable market requirements.

Yes. Capsule printing can be discussed for text, logos, product codes, and other approved artwork. Buyers should provide the artwork, printing position, color, capsule material, quantity, and target market before sampling.

Yes. StellarCaps provides custom empty capsule solutions for pharmaceutical, nutraceutical, and dietary supplement manufacturers. Options include capsule material, size, color, printing, packaging requirements, and project-specific specifications. A confirmed project can progress from sample evaluation and filling trials to quality-document review and commercial supply, with the final scope, quantity, packaging, and schedule agreed for the specific order.

Please provide capsule material, size, color, printing requirements, estimated quantity, filling-equipment information, application, and target market through the contact page. Our team will review the requirements and respond with suitable product recommendations, sample arrangements, and quotation details.

StellarCaps supports supplier qualification reviews with relevant product specifications, Certificates of Analysis (COA), quality statements, material-related declarations, traceability information, and other applicable documents. Document scope is confirmed according to the selected capsule product, order, and target-market requirements.

MOQ depends on capsule material, size, color, printing, packaging, and production planning. Standard products may support lower starting quantities than customized capsules; please share the exact specification so the sales team can confirm a practical order quantity.

Shelf life and storage conditions are stated in the applicable product specification and order documents. Buyers should follow the confirmed requirements for temperature, relative humidity, packaging integrity, and warehouse handling, and verify them for the selected capsule material.

StellarCaps is the global brand and short name of StellarCaps (Jilin) Co., Ltd., a China-based empty hard capsule manufacturer serving pharmaceutical, nutraceutical, and dietary supplement customers.

StellarCaps is based in Tonghua, Jilin Province, China. Its core manufacturing focuses on hard gelatin and HPMC capsules, with pullulan and starch capsule solutions also available.

Both names refer to the same company. StellarCaps (Jilin) Co., Ltd. is the English company name used for international business, while 吉林星源胶囊有限公司 is the company’s registered Chinese name.