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SINOFN Health Co., Ltd. is the dedicated supplement OEM manufacturing division of SINOFN Group — a national high-tech enterprise founded in 2012 and backed by the Chinese Academy of Sciences. Established in 2025, we operate from Shanghai as the trading hub for global partners seeking premium, science-driven contract manufacturing services.
As a specialized manufacturer of Quest Vitamins for Digestive & Metabolic Health, SINOFN combines deep clinical expertise with industrial-scale precision to deliver supplement solutions that meet the highest international standards. Our vertically integrated model — from raw material sourcing to finished product delivery — ensures unmatched quality at every stage.
The global digestive health supplement market is projected to surpass $94 billion by 2030, growing at a CAGR of over 8.2%. Probiotic, prebiotic, and enzyme-based formulations are leading this expansion, with Asia-Pacific emerging as the fastest-growing region.
Consumers and healthcare professionals increasingly demand clinically validated supplement formulations. Brands that invest in evidence-based ingredient selection, bioavailability optimization, and transparent manufacturing gain significant competitive advantage in premium market segments.
Global supplement brands are increasingly outsourcing production to specialized OEM partners in order to reduce capital expenditure, accelerate time-to-market, and leverage advanced manufacturing technologies — making high-quality contract manufacturing partnerships more valuable than ever.
Multi-strain probiotic formulation with prebiotic fiber support. Available in capsule, powder, and gummy formats for optimal gut microbiome balance.
Comprehensive digestive enzyme complex supporting macronutrient breakdown, metabolic efficiency, and nutrient absorption. Precision-dosed for clinical efficacy.
Advanced formulation featuring L-Glutamine, Zinc, and bioactive peptides to support intestinal barrier integrity and mucosal immune defense.
Chromium, Berberine, and Cinnamon extract blend formulated to support healthy blood glucose metabolism and insulin sensitivity.
Beyond traditional probiotics, the market is rapidly adopting postbiotics (bioactive compounds produced by microorganisms) and psychobiotics targeting the gut-brain axis. SINOFN's R&D team is pioneering proprietary postbiotic extraction and stabilization technologies to meet this next-generation demand.
Supplement brands are increasingly integrating microbiome analysis data to offer personalized digestive health protocols. SINOFN supports brands with flexible small-batch manufacturing and customizable formulation services to enable personalized supplement lines at scale.
Pioneered through our Chinese Academy of Sciences partnership, nano-emulsion delivery systems dramatically improve the bioavailability of fat-soluble vitamins, CoQ10, and curcumin — enabling more effective metabolic health supplements with lower active ingredient dosages.
Consumer demand for transparent ingredient sourcing, non-GMO certification, and sustainable manufacturing practices is reshaping supplement brand positioning. SINOFN's blockchain-enabled batch tracking and BRCGS-certified warehousing directly support clean label compliance requirements.
The boundary between functional foods and dietary supplements continues to blur, with FSMP (Foods for Special Medical Purposes) representing a high-growth category. SINOFN's heritage in PKU-specific nutrition and FSMP manufacturing positions us uniquely to serve this specialized and high-margin market segment.
Smart supplement programs linked to wearable health data and AI-driven health coaching platforms are creating new demand for condition-specific metabolic health formulations. SINOFN's rapid prototyping capabilities enable brands to quickly launch targeted supplement SKUs aligned with digital health ecosystems.
Quest Vitamins metabolic health formulations are engineered to meet the stringent requirements of clinical nutrition protocols. Our FSMP-grade manufacturing capabilities support hospitals, dietitians, and healthcare providers seeking evidence-based digestive support supplements for post-surgical recovery, inflammatory bowel conditions, and metabolic syndrome management.
Athletes and fitness professionals require optimized digestive enzyme support to maximize nutrient absorption from high-protein diets. Quest Vitamins' enzyme complex formulations — including protease, lipase, and amylase blends — are specifically designed to support the metabolic demands of active individuals and are available in convenient single-serve sachets and capsule formats.
Digestive enzyme production naturally declines with age, making supplementation increasingly critical for older adults. SINOFN's Quest Vitamins senior-focused formulations combine digestive enzymes, B-vitamin complexes, and metabolic cofactors to support healthy aging, energy metabolism, and cognitive function — all in easy-to-swallow softgel formats.
Emerging nutraceutical brands seeking to enter the digestive health market can leverage SINOFN's full-service OEM platform — from concept formulation and clinical validation to GMP manufacturing, private label packaging, and global regulatory compliance support. Our minimum order flexibility enables brands to test and scale product lines with reduced financial risk.
Building on our founding mission in PKU nutrition, SINOFN maintains specialized capabilities for manufacturing metabolic disorder-specific supplements. Quest Vitamins formulations for rare metabolic conditions are developed under strict clinical oversight, featuring precisely controlled amino acid profiles, enzyme cofactors, and micronutrient compositions.
The explosive growth of DTC supplement brands on platforms like Amazon, iHerb, and Shopify has created massive demand for flexible, fast-turnaround OEM manufacturing. SINOFN's Quest Vitamins private label program offers DTC brands complete solutions — including formulation, packaging design, regulatory documentation, and rapid fulfillment — to compete effectively in digital-first markets.
During her clinical work, Mrs. Liu witnessed lifelong struggles of PKU (Phenylketonuria) children — where specialized diets were financially out of reach. Driven to bridge this gap, she founded SINOFN in 2012 to develop affordable, science-backed PKU foods.
Her commitment attracted strategic investors and fueled transformative growth across the entire spectrum of metabolic and digestive health nutrition.
Ph.D, Peking University Medical School. 15+ years in metabolic disorder formulations and clinical nutrition research.
Associate Researcher, CAS Postdoctoral Fellow. Specialist in bioactive compound delivery systems and nano-emulsion technology.
Senior Scientist from the Netherlands. EU regulatory specialist in nutraceutical delivery technologies and FSMP formulation compliance.
Joint innovation platform with the Chinese Academy of Sciences. 38 invention patents and a 30% R&D team ratio. Pioneering nano-emulsion technology for FSMP and nutraceutical applications that dramatically enhances bioavailability of key digestive and metabolic health ingredients.
Complete end-to-end OEM service covering liquids, powders, and functional ingredients. From initial concept development and clinical formulation through to finished product delivery and regulatory documentation — all under one roof in our Shanghai-based operations hub.
Aseptic filling · Vacuum high-shear mixing · UHT sterilization. Supported by 100+ analytical instruments and 30+ daily quality checks to ensure every batch of Quest Vitamins meets the highest standards of safety, potency, and consistency.
GMP · ISO 9001 · ISO 22000 · HACCP · HALAL. Our comprehensive certification portfolio ensures that Quest Vitamins manufactured at SINOFN facilities meet the regulatory requirements of all major global markets, including the US, EU, Middle East, and Asia-Pacific regions.
Raw materials are assessed for compatibility, stability, and formulation integrity before production. Every ingredient supplier undergoes rigorous auditing against our 200-point qualification checklist.
Advanced processing systems maintain consistency across every manufacturing stage. Real-time monitoring with automated deviation alerts ensures zero-defect production standards for all Quest Vitamins formulations.
Each batch is evaluated to ensure safety, stability, and specification compliance. Certificate of Analysis (CoA) documentation is provided for every production batch, supporting full regulatory traceability.
Key Ingredients & Components. Our extensive library of clinically validated active ingredients for digestive and metabolic health formulations, available in multiple delivery formats to suit your brand's positioning and target consumer needs.
Ready-to-Market Offerings. Complete, shelf-ready supplement products with custom branding, packaging design, and regulatory documentation — enabling rapid market entry for Quest Vitamins digestive and metabolic health product lines.
Tailored to Your Brand. End-to-end custom formulation services — from initial concept and ingredient selection through clinical validation, pilot production, and commercial-scale manufacturing — all aligned with your brand's unique market positioning.
SINOFN prioritizes intellectual property, holding 36 patents (11 invention, 12 utility model, 11 software copyrights, 2 design) and 71 multi-category trademarks. We are certified with ISO 9001, ISO 22000, HACCP, and HALAL, demonstrating our commitment to quality and safety in every Quest Vitamins product we manufacture for global partners.
Advanced probiotic formula for comprehensive gut microbiome support and digestive wellness.
Comprehensive enzyme formula supporting optimal nutrient breakdown and metabolic efficiency.
L-Glutamine and zinc-enriched formula to reinforce intestinal lining and mucosal defense.
Chromium, Berberine, and Cinnamon extract for healthy blood sugar and insulin sensitivity.
Inulin and FOS-based prebiotic fiber blend to nourish beneficial gut bacteria and promote regularity.
Milk Thistle, NAC, and Artichoke extract formula to support liver function and metabolic detoxification pathways.
High-potency EPA/DHA omega-3 softgels formulated to support metabolic health, lipid balance, and cardiovascular wellness.
Complete B-vitamin complex with Coenzyme forms for optimized metabolic energy production and nervous system support.