Vitamin C Solutions by CSK Biotech

Vitamin C Solutions by CSK Biotech

Why Choose CSK Biotech for Vitamin C

Founded in 2008, CSK Biotech is a trusted partner for Vitamin C manufacturers. Certified by GMPC, FDA, HACCP, and ISO, we combine strict quality systems with deep supplement expertise to deliver stable, efficacious Vitamin C formulations for global brands. Our customer-focused approach ensures product safety, ingredient traceability, and consistent batch-to-batch quality.

Comprehensive Manufacturing Capabilities

Our GMP-certified 2,000㎡ factory and seven advanced production lines support an annual capacity exceeding 4.5 billion softgels and 1.5 billion tablets. We produce Vitamin C across multiple formats—capsules, tablets, powders, gummies, and liquids—tailoring dosage, release profiles, and flavor systems to market demands while maintaining high throughput and on-time delivery.

Tailored CDMO Services: ODM, CDM, OEM

As a full-service CDMO, CSK Biotech offers three cooperation models: ODM for market-driven product innovation, CDM for customized formulation design, and OEM for precise formula manufacturing. Our end-to-end services include concept development, formulation research, pilot testing, stability verification, regulatory registration, and marketing support—ensuring your Vitamin C product is compliant and competitive.

Product Innovation & Quality Control

We innovate with multiple Vitamin C forms—ascorbic acid, buffered ascorbates, esterified derivatives and sustained-release matrices—optimizing bioavailability and consumer experience. Robust QC protocols, in-process testing, and long-term stability studies safeguard potency and shelf life. Dedicated sourcing and supply-chain management ensure raw material integrity for every batch.

Bring Your Vitamin C Product to Market Faster

From pilot samples to large-scale production and global registration, CSK Biotech accelerates time-to-market for Vitamin C products. Our packaging solutions, regulatory know-how, and commercial-scale manufacturing reduce risk and cost while delivering high-quality supplements that meet consumer demand. Contact CSK Biotech to develop your next bestselling Vitamin C product.