Vitamin C Supplement Manufacturer
Vitamin C capsules, gummies, powders, and more manufactured in an FDA-registered, GMP-certified facility. Stock formulas or custom blends with your preferred vitamin C form.
$10,000 minimum project investment. Capsules, tablets, powders, gummies, softgels, and liquids. Custom formulation and private label vitamin C supplements with your branding.
Vitamin C Supplement Manufacturer for Growing Brands
As a vitamin C supplement manufacturer, NutraSeller produces private label vitamin C supplements across six dosage formats in a 100,000+ square foot facility. Every product is manufactured in an FDA-registered, GMP-certified facility and ships with a Certificate of Analysis on every batch.
Vitamin C is one of the most recognized and widely purchased supplements on the market. That recognition creates opportunity, but it also means your product needs to stand apart. Whether you’re building a custom vitamin C formulation with zinc and elderberry, sourcing a white label vitamin C supplement with a stock formula, or developing a vitamin C gummy manufacturer relationship for your DTC brand, the production team at NutraSeller handles formulation, filling, packaging, and labeling under one roof.
The facility supports ascorbic acid, sodium ascorbate, calcium ascorbate, Ester-C, and ascorbyl palmitate. Our formulation team can recommend the right vitamin C form based on your target format, dosage, and consumer positioning. From Amazon FBA compliance documentation to retail-ready packaging, every project is built to match your sales channel requirements. An NDA is signed before any discussion begins, and communication is fast and responsive from first contact through delivery.
Request a Quote for Vitamin C SupplementsManufactured in GMP-Certified Facility
All vitamin C supplements are produced under strict GMP protocols with full lot traceability and documentation.
Six Dosage Formats
Capsules, tablets, powders, gummies, softgels, and liquids. Stock formulas available or build a custom blend.
COA on Every Batch
Every production run ships with a Certificate of Analysis. Testing is performed using UPLC, HPLC, and FTIR methods.
NDA Before Any Discussion
Your formula, brand name, and business details are protected by a non-disclosure agreement before work begins.
In-House Flavor Development
Our flavor development team creates custom flavors for gummies, chewable tablets, powders, and liquid vitamin C products.
Fast Lead Times
Stock formula capsules, tablets, powders, and liquids ship in 6 to 8 weeks. Reorders drop to 4 to 6 weeks.
Vitamin C Supplement Manufacturing Formats
Six dosage formats for private label vitamin C supplements. Each format supports stock formulas and custom vitamin C formulations.
Vitamin C Capsules
The most common format for vitamin C supplements. Compatible with ascorbic acid, sodium ascorbate, calcium ascorbate, and Ester-C. Vegetable capsule shells are available for vegan positioning. Capsules support dosages from 250mg to 1,000mg per unit and are easy to fill with combination ingredients like zinc, bioflavonoids, or rose hips. This format works well across all sales channels, from Amazon FBA to retail shelves. Capsule manufacturing services include custom formulation and label design.
MOQ: 2,500 Units (60ct)Vitamin C Tablets
Tablets allow higher doses per unit than capsules and are a strong choice for vitamin C tablet manufacturing. Chewable vitamin C tablets are a popular subcategory, especially for brands targeting consumers who prefer not to swallow pills. Custom chewable flavors, including citrus and berry, can be developed by our in-house flavor team. Tablets also support scored designs for split dosing. If your product targets a high-potency audience or a chewable format, tablet manufacturing is a proven path.
MOQ: 2,500 Units (60ct)Vitamin C Powder
Ideal for high-dose vitamin C products at 1,000mg and above. Bulk vitamin C powder manufacturing supports both jar-fill and stick pack formats. Stick packs are especially popular for brands targeting on-the-go consumers and subscription box models. Ascorbic acid powder is highly hygroscopic, meaning it absorbs moisture from the air, so packaging material and moisture barrier selection are critical for shelf life. Combination powder blends with zinc, elderberry, or electrolytes are common. Explore powder supplement manufacturing options.
MOQ: 2,500 UnitsVitamin C Gummies
High consumer demand makes vitamin C gummy manufacturing one of the most requested formats. Gummies require careful formulation because ascorbic acid can degrade during the cooking process. Buffered vitamin C forms like sodium ascorbate may offer better stability in gummy matrices. Our flavor development team creates custom flavors and uses natural colorants to match your brand positioning. Custom shapes and flavor profiles are available. Learn more about gummy vitamin manufacturing capabilities.
MOQ: 2,500 (Stock) / ~8,333 (Custom)Vitamin C Softgels
Softgels are a viable format for vitamin C when using ascorbyl palmitate, a fat-soluble form that dissolves in the oil fill. This format works well for combination products that include other oil-based ingredients like vitamin E, vitamin D, or omega fatty acids. While less common than capsules or gummies for standalone vitamin C, softgels offer a premium look and consumer perception. A vitamin C softgel manufacturer like NutraSeller handles both stock and custom formulations. See softgel manufacturing details.
MOQ: 2,500 (Stock) / ~5,000 (Custom)Liquid Vitamin C
A growing format, especially for liposomal vitamin C formulations and single-serve liquid shots. Liquid vitamin manufacturing supports bottles, dropper bottles, and shot-format packaging. Stability testing is especially important for liquid vitamin C because ascorbic acid can degrade in aqueous suspension over time. Liposomal delivery systems are a popular differentiator for brands looking to stand out in the vitamin C category. Liquid shots have a separate MOQ of 25,000 units due to the production line setup required.
MOQ: 2,500 Units / Shots: 25,000Vitamin C Supplement Manufacturer Ingredient Options
NutraSeller stocks and sources multiple forms of vitamin C and popular combination ingredients for custom vitamin C formulation. Whether you’re building a standalone ascorbic acid supplement or a multi-ingredient immune support blend, the raw materials below are available for your project. Branded ingredients like Quali-C can also be sourced upon request.
Get a Custom QuoteChoosing the Right Vitamin C Form for Your Formula
Not all vitamin C is the same. The form you choose affects stability, cost, consumer experience, and which dosage formats are available to you.
Most vitamin C supplement manufacturers list their available formats but don’t explain the differences between the raw material forms of vitamin C that go into those formats. This matters because the form you select directly impacts formulation stability, shelf life, production feasibility, consumer comfort, and your per-unit cost. Choosing the wrong form for your format can lead to potency loss during production, off-flavors in gummies, or accelerated degradation on the shelf.
Below is a comparison of the most commonly used vitamin C forms across the key variables that affect your product and your business. Our formulation team uses this information every day when recommending ingredients for new vitamin C supplement projects. If you’re unsure which form is right for your product, this table is a good starting point before you request a quote for vitamin C supplements.
| Vitamin C Form | Best Formats | Bioavailability | Stomach Sensitivity | Stability | Relative Cost |
|---|---|---|---|---|---|
| Ascorbic Acid | Capsules, tablets, powders | Well-absorbed; the most studied form | May cause discomfort at high doses in sensitive individuals | Sensitive to heat, light, and moisture. Less stable in gummies and liquids. | Low |
| Sodium Ascorbate | Capsules, powders, gummies | Comparable to ascorbic acid | Buffered; generally gentler on the stomach | More heat-stable than ascorbic acid, making it a better option for gummy production | Low-Medium |
| Calcium Ascorbate | Capsules, tablets, powders | Comparable to ascorbic acid | Buffered; well-tolerated | Good stability in dry formats | Medium |
| Ester-C (Branded) | Capsules, tablets | Some research suggests longer retention in white blood cells | Non-acidic; marketed as stomach-friendly | Stable in dry formats | High |
| Ascorbyl Palmitate | Softgels | Fat-soluble; absorbed differently than water-soluble forms | Generally well-tolerated | Stable in oil-based fills; less susceptible to moisture | Medium-High |
Choosing between these forms isn’t just a scientific decision. It’s also a marketing and positioning decision. A brand targeting health-conscious consumers who want a “gentle” vitamin C may benefit from sodium ascorbate or calcium ascorbate. A brand focused on cost efficiency at scale will likely choose ascorbic acid for capsules or powder. A premium brand may choose Ester-C or Quali-C for the branded ingredient story on the label. Our formulation team works with you to match the right form to your format, your consumer, and your price point.
Vitamin C Supplement Manufacturing Process
From initial consultation to final shipment, every step is managed under one roof in a GMP-certified production environment.
Consultation & NDA
Every project starts with a signed NDA. The team discusses your vitamin C product goals, target format, desired dosage, combination ingredients, and sales channel requirements.
Formulation & Quoting
Our formulation team recommends the right vitamin C form and builds your formula. You receive a detailed quote covering raw materials, production, packaging, and labeling.
Raw Material Sourcing
All raw materials are sourced from qualified suppliers and tested upon receipt before entering production. Branded ingredients like Quali-C are sourced upon request.
Production & Filling
Your vitamin C supplement is produced and filled in the designated format. The facility handles capsule filling, tablet compression, gummy cooking, powder blending, softgel encapsulation, and liquid filling.
Quality Testing & COA
Every batch is tested using UPLC, HPLC, and FTIR methods. A Certificate of Analysis is generated and included with your shipment. No batch ships without passing quality review.
Packaging & Shipment
Finished products are packaged with your labels, sealed, and prepared for shipment. Packaging is configured for your sales channel, whether that is Amazon FBA prep, retail display boxes, or DTC mailer-ready units.
Quality Assurance for Vitamin C Supplement Manufacturing
Vitamin C is sensitive to heat, light, oxygen, and moisture. That sensitivity makes quality control at the manufacturing level more important than with many other supplement ingredients. Every vitamin C supplement produced by NutraSeller is manufactured in an FDA-registered, GMP-certified facility with dedicated quality protocols at each stage of production.
Raw Material Identity Testing
Every incoming raw material is tested for identity and purity before it is approved for production use.
In-Process Quality Checks
Weight checks, moisture monitoring, and visual inspections occur throughout the production run to catch deviations early.
Finished Product Testing
Every completed batch is tested using analytical methods including UPLC, HPLC, and FTIR before release.
COA on Every Batch
A Certificate of Analysis ships with every batch. If your sales channel requires third-party testing documentation Amazon requires for supplements, the team can coordinate that process.
Packaging for Stability
Vitamin C products are packaged with appropriate moisture barriers, desiccants, and UV-protective containers based on the format and vitamin C form used.
NutraSeller vs. Generic Vitamin C Supplement Manufacturer
Not all vitamin C supplement manufacturers deliver the same level of service, quality, or speed. Here’s how NutraSeller compares.
| Capability | NutraSeller | Generic Manufacturer |
|---|---|---|
| Manufactured in FDA-Registered, GMP-Certified Facility | Yes | Varies |
| Six Vitamin C Dosage Formats | Capsule, tablet, powder, gummy, softgel, liquid | Usually 1-3 formats |
| Multiple Vitamin C Forms Available | Ascorbic acid, sodium ascorbate, calcium ascorbate, Ester-C, ascorbyl palmitate | Ascorbic acid only |
| Custom Formulation | Full custom with combination ingredients | Stock formulas only or limited modifications |
| In-House Flavor Development | Yes, dedicated team for gummies, chewables, powders, liquids | Outsourced or not available |
| COA on Every Batch | Yes, UPLC/HPLC/FTIR tested | Not always included or uses basic methods only |
| Branded Ingredient Sourcing (Quali-C, Ester-C) | Available upon request | Rarely offered |
| Label Design and Regulatory Review | Included in manufacturing process | Additional cost or not available |
| Sales Channel Compliance Documentation | Amazon FBA, Walmart, retail, DTC | Limited or no channel-specific support |
| NDA Before Any Discussion | Yes, signed before project begins | Not always standard practice |
What Brands Say About Working with NutraSeller
Real results from brands that chose NutraSeller as their vitamin C supplement contract manufacturer.
We needed a vitamin C gummy with a custom tropical flavor that tasted clean without artificial colors. Our previous manufacturer could not get the flavor or color right using natural ingredients. NutraSeller’s in-house flavor development team created a mango-citrus vitamin C gummy using natural colorants that exceeded expectations. The product launched on schedule and became the brand’s top-selling SKU within three months.
I was expanding from a single-SKU brand into a full vitamin line and needed a vitamin C capsule with fast turnaround and documentation that met Amazon’s third-party testing requirements. My previous supplier could not provide adequate paperwork. NutraSeller delivered 5,000 units of a ready-to-launch vitamin C capsule in six weeks with a COA on the batch. The product passed Amazon’s compliance review on the first submission.
We needed a custom vitamin C powder blend with zinc and elderberry in stick pack format for a sports recovery line. Finding a manufacturer that could handle both the formulation and the stick pack filling was a challenge. NutraSeller formulated and filled the custom vitamin C powder into branded stick packs, keeping the project within budget at the $10,000 minimum investment level. The final product turned out great.
Vitamin C Supplement Manufacturer FAQ
Answers to common questions about working with a vitamin C supplement manufacturer.
What formats can a vitamin C supplement manufacturer produce?
A full-service vitamin C supplement manufacturer can produce capsules, tablets, powders, gummies, softgels, and liquids. Each format has different production requirements, minimum order quantities, and lead times. Capsules and tablets are the most common formats for vitamin C and allow for higher dosages per unit. Gummies are in high demand among consumers but require careful formulation because ascorbic acid can degrade during the cooking process. Powders are ideal for high-dose vitamin C products (1,000mg and above) and can be filled into jars or stick packs. Softgels typically use ascorbyl palmitate, a fat-soluble form of vitamin C. Liquids are a growing category, especially liposomal vitamin C and liquid shots. The right format depends on your target customer, dosage goals, and sales channel.
What is the minimum order to work with a vitamin C supplement manufacturer?
At NutraSeller, the minimum project investment is $10,000. For stock formulas, minimum order quantities start at 2,500 units for capsules, tablets, powders, and liquids. Gummy stock formulas also start at 2,500 units, while custom gummy formulations require approximately 8,333 units. Custom softgels start at approximately 5,000 units. These MOQs are designed to keep per-unit costs reasonable while remaining accessible for emerging brands. If you’re launching a new vitamin C product and aren’t sure which format or quantity fits your budget, the team at NutraSeller can walk you through your options during the quoting process.
Which form of vitamin C is best for capsules vs. gummies vs. powders?
The best form of vitamin C depends on the dosage format. Ascorbic acid is the most widely used form and works well in capsules and powders where heat exposure during production is minimal. For gummies, buffered forms like sodium ascorbate or calcium ascorbate may offer better stability because the gummy cooking process involves heat that can degrade ascorbic acid. Softgels typically use ascorbyl palmitate, which is fat-soluble and dissolves in the oil fill. Ester-C is a branded, buffered form that some brands prefer for marketing differentiation. Our formulation team can recommend the right form based on your target dosage, format, price point, and label claims.
How long does it take a vitamin C supplement manufacturer to deliver a first order?
First-order lead times vary by format. Capsules, tablets, powders, and liquids typically take 6 to 8 weeks from purchase order to shipment. Gummies and softgels take 12 to 14 weeks due to more complex production processes. If your project involves custom flavor development or a custom formulation, add 4 to 6 weeks to those timelines. Reorders are faster across all formats: 4 to 6 weeks for capsules, tablets, powders, and liquids, and 6 to 8 weeks for gummies and softgels. NutraSeller provides estimated ship dates at the time of quoting so you can plan your launch or restock schedule with confidence.
Can a vitamin C supplement manufacturer use branded vitamin C ingredients like Quali-C?
Yes. NutraSeller can incorporate branded vitamin C ingredients such as Quali-C (a DSM-manufactured ascorbic acid made in Scotland) into your formulation. Branded ingredients can help differentiate your product in a crowded category and give consumers additional confidence in the raw material source. Using a branded ingredient may affect lead times and cost depending on availability and supplier minimums. If you want to feature a branded vitamin C form on your label, mention it when you request a quote so the team can confirm sourcing, pricing, and any licensing requirements.
What testing is performed on vitamin C supplements before they ship?
Every batch produced at NutraSeller ships with a Certificate of Analysis. Testing is performed using analytical methods including UPLC, HPLC, and FTIR. These tests are conducted in the quality control lab to verify that each batch meets its specifications before release. Raw materials are also tested upon receipt before they enter production. This testing protocol is part of the GMP requirements enforced at the facility. If your sales channel requires additional third-party testing documentation, such as the requirements Amazon has for supplement listings, the NutraSeller team can help coordinate that process.
Does a vitamin C supplement manufacturer handle label design and regulatory review?
NutraSeller offers label design and regulatory review as part of the manufacturing process. The team can create a compliant supplement facts panel, ingredient list, and required legal disclosures based on your formula. If you already have a label design from your own designer, the team will review it for regulatory compliance before printing. This review covers required elements like the supplement facts panel format, allergen declarations, net quantity statements, and proper structure/function claim disclaimers. Having your label reviewed before production helps avoid costly reprints and delays.
How does vitamin C stability affect which dosage format I should choose?
Vitamin C, particularly ascorbic acid, is sensitive to heat, light, oxygen, and moisture. This makes stability a critical factor in format selection. Capsules and tablets offer relatively stable environments because they are dry dosage forms that can be packaged with desiccants and sealed in opaque bottles. Powders are stable if packaged in moisture-barrier materials, but ascorbic acid powder is highly hygroscopic, meaning it absorbs moisture from the air. Gummies present the greatest stability challenge because the cooking process involves heat and the final product contains moisture. Liquids require stability testing because vitamin C can degrade in aqueous suspension over time. Packaging choices, such as amber bottles, foil pouches, or nitrogen-flushed containers, also play a significant role in shelf life.
Ready to Manufacture Your Vitamin C Supplement?
Capsules, tablets, powders, gummies, softgels, and liquids. Manufactured in an FDA-registered, GMP-certified facility. Minimum project investment: $10,000.