Ergothioneine Capsules for Cellular Protection Contract Manufacturer Nutritional Supplements Capsule Supplement Manufacturer
Each capsule contains 200mg of high - quality ergothioneine. This antioxidant - rich supplement helps safeguard cells from oxidative damage and promotes overall health.
Custom Formulas, Flavors & Packaging
Tailor your products to stand out in the market. We offer flexible customization for formulas, dosage forms, flavors, and packaging, ensuring your brand delivers unique and effective solutions.
Safety first
Passed FDA certification, HACCP certification, ISO9001 quality management system certification, holds the "Food Production License", "Cosmetics Production License" and multiple GMP certifications.
Product overview
CSK Biotech Ergothioneine Capsules deliver a high-quality source of ergothioneine, a naturally occurring antioxidant amino acid known for supporting cellular antioxidant defenses, mitochondrial health, and overall wellbeing. Formulated for stability and bioavailability, our capsules are ideal for nutraceutical brands and consumers seeking advanced antioxidant protection in a convenient daily format.
Why choose CSK Biotech Ergothioneine Capsules
- Potent antioxidant support: Ergothioneine helps protect cells from oxidative stress and supports natural repair processes, making it a valuable ingredient for formulations focused on healthy aging, skin vitality, and cognitive wellness.
- High-quality manufacturing: Produced in CSK Biotech’s GMP-certified 2,000㎡ facility with seven advanced production lines and rigorous quality control. We adhere to GMPC, FDA, HACCP, and ISO standards to ensure purity, consistency, and safety.
- Customizable formulations: Available in tailored dosages and capsule sizes to meet brand and regulatory needs. CSK Biotech offers ODM, CDM, and OEM models — from market-driven product innovation to precise formula replication and scale manufacturing.
- Science-driven development: Backed by professional R&D, pilot testing, and stability verification to deliver robust, shelf-stable products. Third-party testing and full documentation are available to support regulatory registration and market claims.
- Consumer-friendly: Designed for easy swallowing and compatibility with vegetarian and allergen-free options upon request. We provide free packaging design and end-to-end support for branding and market launch.
CSK Biotech advantage
Founded in 2008, CSK Biotech is a leading CDMO in dietary supplements, offering annual capacities exceeding 4.5 billion softgels and 1.5 billion tablets. Our integrated services — from concept and formulation to production, regulatory assistance, and marketing support — empower global partners to bring competitive, science-backed ergothioneine supplements to market quickly and confidently.
Contact us
Partner with CSK Biotech to develop or private-label high-performance Ergothioneine Capsules that stand out for quality, safety, and efficacy. Reach out for samples, formulation consultation, or OEM/ODM quotes.
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Get a Quote for Dietary Supplement Contract Manufacturing
If you need CDMO services for health foods, nutritional supplements, or cosmetics, our team of experts is ready to provide you with customized solutions and quotes.

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CSK Biotech Dietary Supplements