Dietary Capsule Manufacturing Solutions
Custom Capsule Supplement Manufacturing Solutions
Working With
Why Make A Capsule Product?
Why Capsule Manufacturing?
Capsules remain one of the most widely used supplement formats due to their familiarity, ease of use, and precise dosing capabilities. They allow brands to deliver a clean and professional product that fits a wide range of consumer preferences.
Capsule supplements also offer flexibility in formulation, supporting single ingredient products as well as complex blends. This versatility makes capsules suitable for many categories across the nutraceutical market.
Where Innovation Meets Ironclad Quality
Capsule Manufacturing Capabilities
NutraSeller supports capsule supplement manufacturing across a broad range of specifications and project types.
We work with multiple capsule sizes to accommodate different serving requirements. Both vegetarian and gelatin capsule options are available depending on formulation needs and brand positioning. Capsule projects may include single ingredient fills or blended formulas, with support for both custom and private label capsule programs.
Custom Formulation and Product Development
Brands may submit an existing formula or request support during the formulation phase. NutraSeller assists with ingredient review, blend considerations, and production readiness to help align the formula with manufacturing requirements.
Our process is collaborative and focused on translating your product concept into a manufacturable capsule supplement that meets quality and operational standards.
Quality and Manufacturing Standards
Quality is addressed throughout each stage of capsule manufacturing. NutraSeller coordinates projects using structured quality control workflows designed to support consistency and documentation.
Manufacturing processes follow established testing and review practices, with supporting documentation such as Certificates of Analysis available to provide transparency into each production batch. Oversight focuses on weight accuracy, content uniformity, and production consistency.
Capsule Types We Manufacture
Gelatin Capsules
Time-tested and reliable, gelatin capsules are the go-to option for most traditional dietary supplements. They’re smooth, easy to swallow, and perfect for delivering powders and granules. Whether you’re launching a multivitamin or a herbal blend, gelatin capsules offer unbeatable performance and appeal.
Vegetarian Capsules
As demand for plant-based products continues to rise, our HPMC (hydroxypropyl methylcellulose) capsules provide a perfect solution. These capsules are derived from natural, plant-based sources, making them ideal for vegan and vegetarian customers who value cruelty-free options.
Liquid-Filled Capsules
When it comes to oils, extracts, or liquid formulations, liquid-filled capsules are the ultimate delivery method. These capsules lock in potency, ensure precise dosing, and enhance bioavailability.
Enteric-Coated Capsules
Some supplements work best when they bypass the stomach and reach the intestines intact. Enteric-coated capsules are engineered for delayed release, ensuring active ingredients survive stomach acid and are absorbed where they’re needed most. Perfect for probiotics, enzymes, and sensitive compounds.
Customized Capsules
Want to stand out on the shelf? With our custom capsule options, you can choose branded colors, imprints, or even unique shapes to reflect your brand identity. Whether it’s your logo, a signature color scheme, or a one-of-a-kind design, we make sure your capsules are as distinct as your vision.
Size Matters
Choosing Your Perfect Capsule Size
Your powder’s density and flowability determine how much active ingredient actually fits in each capsule, meaning a light, fluffy powder might need a larger capsule than a dense one for the same dosage.
That’s why top brands partner with us to select the perfect size, from our largest 000 capsules for high-dose formulations to our compact size 4 capsules for concentrated ingredients.
Capsule Size Capacity Breakdown
Size: 000
The largest capsule size typically holds 800-1600mg, depending on powder density.
Size: 00
Most common size, accommodates 650-1000mg, making it ideal for most blends.
Size: 0
Can contains 500-680mg, perfect for standard supplement formulations.
Size: 1
Holds 400-500mg, offering an excellent balance of capacity and swallowability.
Size: 2
Fits 350-400mg, ideal for moderate-dose formulations.
Size: 3
Contains 200-300mg, great for low-dose dietary supplements.
Size: 4
Our smallest option at 150-240mg, perfect for concentrated formulas.
NutraSeller Exclusive Stock Private Label Capsule Supplements.
Stock Private Label Capsule Supplements Catalog
NutraSeller offers a wide selection of private label supplements across multiple formats
Dietary Capsule Manufacturing Packaging
Packaging Options For Capsules
Bottles
We have HDPE white, black, amber, and clear readily available in multiple sizes. Custom color bottles can be specially ordered
Jars
Jars can give a unique look with the lid as wide as the bottle. We have same colors options as bottles for jars.
Sealable Sachets
Sachets give your brand a unique and eco friendly look. With more room for a powerful label.
Blister Packs
Sealing each capsule seperately giving your product a more medicinal look.
The Capsule Manufacturing Process
1. Formula and Packaging Price Quote
We review your capsule formula, capsule type, and packaging requirements, then provide a clear all in price. This step confirms ingredient compatibility, capsule specifications, and manufacturing readiness.
2. Purchase Order and Material Reservation
Once your purchase order is submitted, batch size and production timelines are confirmed and required raw materials and capsule shells are reserved for your run.
3. Label Compliance and Printing
Your capsule labels are reviewed for regulatory and marketplace alignment before being approved for printing and application.
4. Capsule Manufacturing and Packaging
Your capsules are filled, encapsulated, and packaged in GMP compliant facilities using controlled environments and established production processes.
5. Quality Assurance
Each capsule batch undergoes review for fill weight accuracy, content uniformity, and packaging integrity prior to release.
6. Final Verification and Delivery
Finished products receive final inspection and supporting documentation such as Certificates of Analysis, then are prepared for shipment to your designated location.
Capsule Manufacturing Frequently Asked Questions
Capsule Supplement Manufacturing FAQs
Do you manufacture private label capsule supplement products?
Yes, NutraSeller supports private label capsule supplement manufacturing. We work with brands to produce private label capsule products using established formulas or adjusted specifications based on your brand requirements and market goals.
Do you do custom capsule manufacturing?
Yes, NutraSeller supports custom capsule manufacturing. We work with brands to develop capsule products based on custom formulations, ingredient specifications, and production requirements aligned with your project goals.
What is the minimum order requirement for capsule supplement products?
Capsules
Custom or stock formulas begin at 150,000 capsules or tablets, which equals approximately 2,500 units for a 60 count bottle.
What is lead time for capsules?
For custom capsule manufacturing, typical timelines are 6 to 8 weeks for a first order and 4 to 6 weeks when printed labels are already available.
What are the capsule shell types I can choose from?
Available options include gelatin capsules, vegetarian HPMC capsules, liquid filled capsules, and enteric coated capsules.
What are the capsule sizes and how much material can they fit?
Size 000 Largest
Holds approximately 800 to 1600 milligrams and is commonly used for higher dose amino acids and protein based blends.
Size 00
Fits approximately 650 to 1000 milligrams and is frequently used for multivitamins and mineral complexes.
Size 0
Accommodates approximately 500 to 680 milligrams and is the most commonly used size for standard supplement formulations.
Size 1
Contains approximately 400 to 500 milligrams and provides a balance between fill capacity and ease of swallowing.
Size 2
Holds approximately 350 to 400 milligrams and is often used for moderate dose formulations.
Size 3
Fits approximately 200 to 300 milligrams and is suitable for standard daily supplement use.
Size 4 Smallest
Contains approximately 150 to 240 milligrams and is typically used for concentrated formulas and extracts.
Pro Tip
Fill weights can vary based on powder density. Lighter powders may require a larger capsule size than denser powders to achieve the same dosage.
What quality tests are done for capsule supplement products?
Raw Material Testing
Before manufacturing begins, raw materials may be tested using advanced analytical technologies such as UPLC, HPLC, and FTIR spectroscopy. These methods are used to support ingredient identity verification, purity assessment, and potency confirmation based on project requirements. Additional screening for contaminants may be performed depending on the ingredient profile.
In Process Capsule Checks
During capsule filling and encapsulation, multiple in process checks are performed. These typically include fill weight verification to confirm accurate dosing, content uniformity review to ensure consistency across capsules, and visual inspection to assess capsule integrity, closure, and appearance.
Finished Product Testing
Once encapsulation and packaging are complete, finished capsule products may undergo additional evaluation. This can include final weight checks, packaging inspection, and review of batch records to confirm alignment with approved specifications.
Documentation and Release Review
Quality documentation is reviewed prior to batch release. Supporting records such as Certificates of Analysis, testing summaries, and production documentation are provided based on project scope and customer requirements.
What are capsule excipients and what options are available?
Excipients are inactive ingredients used to support the manufacturing process and capsule performance. They help improve powder flow, consistency, and capsule fill accuracy. Common excipient options include magnesium stearate, silicon dioxide, brown rice powder, and other commonly used processing aids selected based on formulation requirements.
Can capsules be manufactured without fillers?
Yes, capsules can be manufactured without fillers, depending on the specific ingredients used in the formula. Some ingredients flow and encapsulate effectively on their own, while others require excipients to support consistent fill weight, capsule integrity, and manufacturing efficiency.
Can i adjust stock capsule formulas?
Yes, stock capsule formulas can be adjusted. NutraSeller allows modifications to stock capsule formulas based on ingredient preferences, dosage targets, and formulation requirements to better align with your brand and product goals.
Do you do capsule contract manufacturing?
Yes, NutraSeller supports capsule contract manufacturing for supplement brands. We coordinate capsule production through a structured process that includes formulation review, manufacturing execution, quality oversight, and production readiness.
Are capsules manufactured in the USA?
Yes, capsule supplements are manufactured in the United States. When your capsule products are produced with NutraSeller, you are eligible to include Made in USA on your product label.
Can you make organic capsule supplements?
Yes, NutraSeller supports organic capsule supplement manufacturing. When requested, we work with formulations and ingredients that meet organic requirements and coordinate production with appropriate documentation based on project scope and certification needs.
