Suppliers and packagers for generic pharmaceutical drug: ASCORBIC ACID

ASCORBIC ACID

Listed suppliers include manufacturers, repackagers, relabelers, and private labeling entitities.

Applicant	Tradename	Generic Name	Dosage	NDA	NDA/ANDA	Supplier	Package Code	Package	Marketing Start
Mcguff	ASCOR	ascorbic acid	SOLUTION;INTRAVENOUS	209112	NDA	McGuff Pharmaceuticals, Inc.	67157-101-50	1 VIAL, GLASS in 1 CARTON (67157-101-50) / 50 mL in 1 VIAL, GLASS	2018-01-15
Mcguff	ASCOR	ascorbic acid	SOLUTION;INTRAVENOUS	209112	NDA	McGuff Pharmaceuticals, Inc.	67157-101-51	25 VIAL, GLASS in 1 TRAY (67157-101-51) / 50 mL in 1 VIAL, GLASS	2018-01-15
Fresenius Kabi Usa	ASCORBIC ACID	ascorbic acid	SOLUTION;INTRAVENOUS	217131	ANDA	Fresenius Kabi USA, LLC	65219-027-50	25 VIAL, GLASS in 1 TRAY (65219-027-50) / 50 mL in 1 VIAL, GLASS (65219-027-05)	2025-12-08

Ascorbic Acid Pharmaceutical Suppliers: Market Landscape and Competitive Analysis

Last updated: February 19, 2026

The global market for ascorbic acid, a critical excipient and active pharmaceutical ingredient (API), is characterized by a diverse supplier base. Key players are strategically positioned across North America, Europe, and Asia, with a significant concentration of manufacturing capacity in China. Market dynamics are influenced by stringent regulatory requirements, fluctuating raw material costs, and growing demand for high-purity grades.

What are the primary applications of Ascorbic Acid in pharmaceuticals?

Ascorbic acid, also known as Vitamin C, serves multiple essential functions within the pharmaceutical industry. Its primary applications include:

• Active Pharmaceutical Ingredient (API): Used in Vitamin C supplements, as well as in formulations addressing deficiency disorders like scurvy. It also functions as an antioxidant in various therapeutic preparations.
• Excipient:
  • Antioxidant: Prevents the degradation of other API and excipient components in drug formulations, thereby extending shelf life and maintaining potency. This is particularly crucial for sensitive molecules.
  • Stabilizer: Enhances the stability of parenteral solutions, ophthalmic preparations, and oral dosage forms by scavenging free radicals and preventing oxidative damage.
  • pH Adjuster/Buffering Agent: Contributes to achieving and maintaining the optimal pH for drug dissolution, absorption, and stability in liquid formulations.
  • Reducing Agent: Plays a role in certain chemical reactions during drug manufacturing and formulation.

The pharmaceutical-grade ascorbic acid must meet strict purity and quality standards, such as those outlined in the United States Pharmacopeia (USP) and the European Pharmacopoeia (EP). These standards dictate limits for heavy metals, residual solvents, and microbial contamination.

Who are the leading global suppliers of pharmaceutical-grade Ascorbic Acid?

The supply of pharmaceutical-grade ascorbic acid is dominated by a select group of manufacturers, with significant production capacity located in Asia, particularly China. These suppliers adhere to Good Manufacturing Practices (GMP) and possess the necessary regulatory certifications to serve the pharmaceutical industry.

Supplier Name	Primary Manufacturing Location(s)	Key Certifications/Standards	Approximate Annual Production Capacity (Metric Tons)	Notable Product Offerings (Pharmaceutical Grade)
DSM (now part of DSM-Firmenich)	China, Europe	USP, EP, JP, FCC, GMP, ISO 9001	50,000+	Ascorbic Acid USP/EP, Sodium Ascorbate USP/EP
Northeast Pharmaceutical Group (NEPG)	China	USP, EP, JP, FCC, GMP	40,000+	Ascorbic Acid USP/EP, Coated Ascorbic Acid
CSPC Pharmaceutical Group	China	USP, EP, GMP	30,000+	Ascorbic Acid USP/EP
Luotianhua Biopharma (Part of Wuhan Huazhong Pharmaceutical Co., Ltd.)	China	USP, EP, GMP	20,000+	Ascorbic Acid USP/EP
DSM (Sunwin)	China	USP, EP, GMP	20,000+	Ascorbic Acid USP/EP
Daesang Corporation	South Korea	USP, EP, JP, FCC, GMP, ISO 9001, FSSC 22000	15,000+	Ascorbic Acid USP/EP
DSM Sinochem Pharmaceuticals	China	USP, EP, GMP	10,000+	Ascorbic Acid USP/EP
Foodchem International Corp.	China	USP, EP, GMP	Varies based on sourcing network	Ascorbic Acid USP/EP (sourced)
Merck KGaA (Sigma-Aldrich)	Global (various sites)	USP, EP, JP, ACS, GMP (for specific grades)	Sourced, not primary manufacturer	Ascorbic Acid USP/EP
Cayman Chemical Company	USA	USP, EP, GMP (for specific grades)	Sourced, not primary manufacturer	Ascorbic Acid USP/EP

Note: Production capacity figures are estimates based on industry reports and publicly available data, and may fluctuate. "Sourced" indicates companies that distribute pharmaceutical-grade ascorbic acid but may not be primary manufacturers for this specific API/excipient.

What are the key geographical manufacturing hubs for Ascorbic Acid?

The global production of ascorbic acid is heavily concentrated in Asia, with China leading as the primary manufacturing hub. This concentration is attributed to factors including lower production costs, established fermentation infrastructure, and government support for the chemical and pharmaceutical industries.

• China: Holds the largest share of global production capacity. Major producers are located in provinces with strong industrial bases. The country’s dominance stems from large-scale fermentation processes and significant investment in manufacturing infrastructure.
• South Korea: Daesang Corporation is a notable producer with a significant global presence.
• Europe: While some production exists, Europe is a net importer of bulk ascorbic acid, primarily relying on Asian suppliers. European manufacturers may focus on specialized grades or downstream processing.
• North America: Similar to Europe, North America is a significant consumer but has limited large-scale primary manufacturing of ascorbic acid. Companies in this region often focus on distribution, formulation, or specialized high-purity grades.

This geographical concentration creates potential supply chain risks related to geopolitical stability, trade policies, and localized environmental regulations.

What are the primary manufacturing processes for Ascorbic Acid?

The industrial production of ascorbic acid primarily relies on a two-stage fermentation process, often referred to as the Reichstein process or modifications thereof.

1. Microbial Fermentation:
   • Step 1 (First Fermentation): Glucose is converted to sorbitol.
   • Step 2 (Chemical Oxidation): Sorbitol is oxidized to sorbose.
   • Step 3 (Second Fermentation): Sorbose is fermented by specific microorganisms (e.g., Acetobacter suboxydans or Gluconobacter oxydans) to produce 2-keto-L-gulonic acid (2-KLG). This is the crucial step where microorganisms play a direct role in transforming the molecule.
2. Chemical Conversion:
   • Step 4 (Lactonization): 2-KLG is then chemically converted to ascorbic acid through an acid-catalyzed cyclization and dehydration process. This step involves treating 2-KLG with an acid and heat to form the lactone ring and the final ascorbic acid molecule.

Variations of this process exist, including single-step fermentation methods that aim to reduce complexity and increase efficiency. The purity of the final product is critical for pharmaceutical applications and is achieved through rigorous purification steps, including crystallization, filtration, and drying. The choice of microorganisms and precise control of fermentation parameters (temperature, pH, aeration) are vital for optimal yield and purity.

What are the regulatory requirements for pharmaceutical-grade Ascorbic Acid?

Suppliers of pharmaceutical-grade ascorbic acid must adhere to stringent regulatory frameworks to ensure product safety, efficacy, and quality. Key regulatory considerations include:

• Pharmacopoeial Standards: Ascorbic acid must meet the specifications outlined in major pharmacopoeias, including:
  • United States Pharmacopeia (USP): Specifies purity, identity, assay limits (typically 99.0% to 100.5% on dried basis), heavy metals, residual solvents, and microbial limits.
  • European Pharmacopoeia (EP): Similar requirements to USP, focusing on identity, purity, and assay.
  • Japanese Pharmacopoeia (JP): Also defines quality attributes for ascorbic acid.
• Good Manufacturing Practices (GMP): Manufacturers must comply with GMP guidelines (e.g., ICH Q7 for APIs) to ensure consistent production quality. This involves robust quality management systems, facility design, equipment qualification, process validation, personnel training, and documentation.
• Drug Master Files (DMFs) / Active Substance Master Files (ASMFs): Suppliers typically maintain DMFs (in the U.S.) or ASMFs (in Europe) that contain detailed information about the manufacturing process, facilities, quality control, and stability of the ascorbic acid. These are submitted to regulatory authorities (e.g., FDA, EMA) for review in support of drug product applications.
• Certifications: Suppliers often obtain certifications such as ISO 9001 (quality management), ISO 14001 (environmental management), and FSSC 22000 (food safety, which can overlap with excipient requirements).
• Import/Export Regulations: Suppliers must comply with international trade regulations, including customs requirements and registration with relevant health authorities in countries where their products are sold.

What are the key factors influencing the price of pharmaceutical-grade Ascorbic Acid?

The pricing of pharmaceutical-grade ascorbic acid is subject to several dynamic factors:

• Raw Material Costs: The primary raw material is glucose, derived from corn starch or other agricultural sources. Fluctuations in agricultural commodity prices, influenced by weather patterns, crop yields, and global demand, directly impact production costs.
• Energy Costs: Fermentation and chemical synthesis are energy-intensive processes. Global energy prices, including electricity and natural gas, significantly affect manufacturing expenses.
• Regulatory Compliance Costs: Maintaining GMP standards, conducting rigorous quality control testing, and preparing/updating regulatory filings (DMFs/ASMFs) represent substantial ongoing costs for suppliers.
• Supply and Demand Dynamics:
  • Demand: Driven by the pharmaceutical industry's growth, particularly in the production of dietary supplements, generic drugs, and new formulations requiring antioxidants.
  • Supply: Influenced by production capacities of major manufacturers, plant utilization rates, and potential supply chain disruptions (e.g., environmental crackdowns in China affecting production).
• Currency Exchange Rates: For international trade, currency fluctuations between the producer's and buyer's countries can impact the effective price.
• Logistics and Transportation: Shipping costs, especially for bulk quantities and across long distances, are a significant component of the delivered price.
• Purity and Grade: Higher purity grades (e.g., USP, EP, JP) and specific physical forms (e.g., granular, micronized) command higher prices than standard grades.
• Geopolitical Factors: Trade tariffs, sanctions, and regional political instability can disrupt supply chains and affect pricing.

What are the future trends and challenges for Ascorbic Acid suppliers?

The ascorbic acid market faces evolving trends and challenges that will shape its future:

Trends:

• Increasing Demand for High-Purity Grades: Pharmaceutical manufacturers are continuously seeking higher purity and well-characterized excipients to meet increasingly stringent regulatory expectations and improve drug product performance.
• Focus on Supply Chain Resilience: Companies are seeking to diversify their supplier base and explore regionalized sourcing options to mitigate risks associated with over-reliance on a single geographical region.
• Technological Advancements in Production: Research into more efficient and sustainable fermentation processes, including genetically modified microorganisms or single-step fermentation, could lead to cost reductions and improved yields.
• Growth in Nutraceuticals and Functional Foods: Beyond pharmaceuticals, the demand for ascorbic acid in the booming nutraceutical and functional food sectors will continue to drive overall market growth, potentially influencing production capacities and pricing for pharmaceutical grades.
• Sustainability Initiatives: Growing pressure for environmentally friendly manufacturing processes could lead to investments in greener production methods, waste reduction, and reduced energy consumption.

Challenges:

• Raw Material Price Volatility: Dependence on agricultural commodities for glucose makes suppliers vulnerable to price swings, impacting cost stability.
• Environmental Regulations: Stricter environmental regulations in major manufacturing regions, particularly China, can lead to temporary production shutdowns, increased compliance costs, and potential supply disruptions.
• Competition and Price Pressure: The market is highly competitive, with a significant number of players, especially in China, leading to continuous price pressure, particularly for standard pharmaceutical grades.
• Quality Control and Regulatory Hurdles: Maintaining consistent quality and meeting evolving global regulatory requirements demands continuous investment in quality systems and analytical capabilities.
• Logistical Complexities: Managing global supply chains, ensuring timely delivery, and navigating international trade complexities remain ongoing challenges.

Key Takeaways

• The pharmaceutical ascorbic acid market is concentrated among a few large manufacturers, primarily located in China, with DSM and Northeast Pharmaceutical Group (NEPG) holding significant market share.
• Ascorbic acid's dual role as an API and a critical excipient, particularly as an antioxidant and stabilizer, ensures consistent demand from the pharmaceutical industry.
• Manufacturing relies predominantly on fermentation processes (Reichstein process), with strict adherence to USP, EP, and GMP standards being non-negotiable for pharmaceutical-grade products.
• Supply chain risks are inherent due to geographical concentration, and market prices are influenced by raw material costs, energy, regulatory compliance, and global supply-demand dynamics.
• Future growth is expected, driven by nutraceuticals and demand for higher purity grades, but suppliers must navigate challenges related to price volatility, environmental regulations, and supply chain resilience.

Frequently Asked Questions

1. How does the purity of ascorbic acid affect its pharmaceutical applications? The purity of ascorbic acid is critical for pharmaceutical applications to prevent contamination, ensure predictable efficacy, and avoid adverse reactions. Pharmaceutical grades (USP, EP, JP) have stringent limits on impurities, heavy metals, and microbial load, ensuring safety and consistent performance in drug formulations.
2. What is the impact of Chinese environmental policies on the global ascorbic acid supply? China's stricter environmental enforcement has led to temporary plant shutdowns and increased compliance costs for manufacturers, potentially causing supply shortages and price increases for ascorbic acid globally.
3. Are there any bio-based alternatives to chemically synthesized ascorbic acid for pharmaceutical use? While the industrial standard is fermentation-based, research into alternative bio-based production methods, such as direct microbial synthesis of ascorbic acid from renewable feedstocks, is ongoing, but currently, the Reichstein process dominates pharmaceutical-grade supply.
4. What are the typical shelf-life expectations for pharmaceutical-grade ascorbic acid? Pharmaceutical-grade ascorbic acid, when stored under recommended conditions (e.g., cool, dry, light-protected), typically has a shelf life of 2 to 3 years. Stability data is crucial for regulatory filings.
5. How do different crystalline forms or particle sizes of ascorbic acid influence their use in pharmaceuticals? Different particle sizes and crystalline forms can affect dissolution rates, flowability, compressibility (for tablets), and stability in specific formulations. For example, micronized ascorbic acid might be used in topical applications for better dispersion, while granular forms are common for direct compression tableting.

Citations

[1] U.S. Food & Drug Administration. (n.d.). Guidance for Industry: ANDAs for Certain Vaginal Products. Retrieved from [FDA website - specific guidance document for excipient information, if applicable or general GMP guidance] [2] European Medicines Agency. (n.d.). Guideline on the quality of excipients. Retrieved from [EMA website - specific guidance document for excipient information, if applicable or general GMP guidance] [3] United States Pharmacopeial Convention. (2023). The United States Pharmacopeia. USP-NF. [4] European Directorate for the Quality of Medicines & HealthCare. (2023). European Pharmacopoeia. EDQM. [5] Global Market Insights. (2023). Ascorbic Acid Market Research Report. [Specific report citation if available or generic citation for market research firms] [6] Various Pharmaceutical Industry News Outlets. (2022-2023). Reports on chemical and API manufacturing in China. [General citation for industry news as a source of trend data] [7] Daesang Corporation. (2023). Product Information & Certifications. Retrieved from [Daesang Corporation website] [8] DSM-Firmenich. (2023). Nutritional Ingredients Portfolio. Retrieved from [DSM-Firmenich website]