But for supplement brands, the real work starts before production. The formula needs to match the softgel format. The shell must stay stable. The fill material cannot leak, separate, oxidize, or react with the capsule body during storage and shipping.
That is why a softgel project should not start with price only. It should start with formula review, quality control, packaging choice, and export requirements.

For brands planning fish oil, vitamin D3, CoQ10, lutein, astaxanthin, herbal oil extracts, or other oil-based supplements, softgels can be a strong dosage form. But they need the right manufacturing control.
What Softgel Capsule Manufacturing Really Involves
Softgel capsule manufacturing is the process of filling liquid, oil-based, or semi-solid formulas into a flexible capsule shell. The shell is usually made from gelatin or vegetarian alternatives, together with plasticizers and water.
Softgels are commonly used for ingredients such as:
- Fish oil
- Omega-3
- Vitamin D3
- Vitamin K2
- CoQ10
- Lutein
- Astaxanthin
- Evening primrose oil
- Flaxseed oil
- Herbal oil extracts
- Fat-soluble nutrients
The main reason brands choose softgels is simple: some formulas do not work well as powders, tablets, or hard capsules. Oil-based ingredients often need a dosage form that can hold the fill material cleanly, protect the active ingredients, and feel easy for consumers to take every day.
A good softgel manufacturer should not only ask how many capsules you want. They should first check whether the formula is suitable for softgel production.
Which Formulas Are Suitable for Softgel Capsules?
Not every supplement formula belongs in a softgel. Some formulas are ideal. Some need adjustment. Some should be made in another format.
| Formula Type | Fit for Softgels? | What Buyers Should Check |
|---|---|---|
| Fish oil / Omega-3 | Yes | Oxidation control, odor, peroxide value |
| Vitamin D3 / K2 oil | Yes | Dose uniformity, light protection |
| CoQ10 | Yes | Dispersion, oil carrier, fill stability |
| Lutein / Astaxanthin | Yes | Color stability, oxidation, packaging |
| Evening primrose oil | Yes | Oil quality, odor, storage condition |
| Herbal oil extracts | Usually yes | Odor, color, viscosity, sediment |
| Dry powder blends | Usually not ideal | Hard capsules may be better |
| Water-based formulas | Not ideal | Shell stability risk |
| Probiotics | Difficult | Moisture, oxygen, and heat sensitivity |
A serious softgel capsule manufacturer should be willing to say “this formula needs testing” or “this format may not be the best choice.” That is more useful than a quick yes.
For example, a fish oil softgel needs oxidation control. A CoQ10 softgel needs good dispersion. A lutein softgel may need color and light protection. A herbal oil extract may have odor, sediment, or viscosity issues.
These details decide whether the final product looks clean, stays stable, and reaches the customer in good condition.
Softgel Capsule Manufacturing Process
The softgel manufacturing process has several key steps. Each step affects the final capsule quality.
Formula Review
Before production, the formula needs to be checked for softgel feasibility.
A manufacturer should review:
- Active ingredients
- Dosage per capsule
- Fill material type
- Oil carrier
- Viscosity
- Suspension stability
- Capsule size
- Shell compatibility
- Target market
- Packaging plan
- Required documents
Some problems are easy to see on paper. For example, the fill volume may be too high for the capsule size. Other problems only show up during sampling, such as sediment, odor, shell softening, poor sealing, or color change.
This is why formula review should happen before quotation is finalized.
Fill Material Preparation
The fill material is weighed, mixed, homogenized, and checked before encapsulation.
For oil-based formulas, oxidation control matters. Sensitive oils may need careful handling, suitable storage, and proper packaging later.
For suspended formulas, the active ingredients must stay evenly distributed during filling. If the material settles too quickly, capsule content may not stay uniform.
This step is especially important for formulas with CoQ10, lutein, herbal extracts, minerals, or other suspended ingredients.
Shell Preparation
The capsule shell affects softness, sealing, drying time, and storage stability.
Gelatin softgels are still widely used because they offer good processability and a smooth consumer experience. Vegetarian softgels are also possible, but they need more careful testing. Not every formula is suitable for vegetarian softgel production.
The shell system must work with the fill material. If the fill and shell are not compatible, the capsule may become too soft, too hard, sticky, cloudy, or more likely to leak.
Encapsulation
During encapsulation, the shell is formed, filled, and sealed in one continuous process.
The production team needs to control:
- Fill weight
- Capsule shape
- Seam quality
- Shell thickness
- Machine temperature
- Fill temperature
- Production speed
- Capsule appearance
Small changes can create visible defects. Poor sealing can lead to leakage. Unstable fill weight can affect dosage consistency. Wrong machine settings may cause deformation or weak seams.
Softgel production is not only about running the machine. It is about keeping the process stable.
Drying
Drying is one of the most important steps in softgel manufacturing.
If capsules are packed too early, they may stick together, deform, or leak. If drying is too aggressive, the shell may become too hard or brittle.
Temperature, humidity, airflow, and drying time all need to be controlled. This is especially important for export orders, because softgels may face long shipping times, warehouse storage, and warm climates.
Good drying control helps the capsule keep its shape, surface feel, and stability.
Inspection and Packaging
Finished softgels should be inspected before packaging.
Common checks include:
- Leakage
- Bubbles
- Deformation
- Surface oil
- Poor sealing
- Size variation
- Color difference
- Sticking
- Broken capsules
After approval, softgels can be packed in bottles, blisters, jars, or bulk cartons. The packaging choice should match the formula, market, shelf life target, and shipping route.
Key Quality Risks Buyers Should Check
Softgels have a premium look, but they also have specific quality risks. Buyers should understand these risks before starting production.
Leakage
Leakage is one of the most common softgel problems.
Possible causes include:
- Poor sealing
- Wrong shell thickness
- Fill material incompatibility
- Drying issue
- Storage temperature problem
- Rough handling during transport
A leaking softgel does not only affect appearance. It can damage labels, cartons, other capsules, and customer trust.
Oxidation
Many softgel products use oil-based ingredients. These formulas can be sensitive to oxygen, light, and heat.
Fish oil, DHA, CoQ10, astaxanthin, flaxseed oil, evening primrose oil, and some herbal oils all need attention.
Buyers should ask about:
- Peroxide value
- Acid value
- Raw material freshness
- Nitrogen flushing, if needed
- Light protection
- Suitable bottle or blister options
- Storage recommendations
For oil-based softgel supplements, oxidation control should be discussed early.
Shell-Fill Compatibility
The fill material and shell are not separate systems. They interact during storage.
Some formulas may soften the shell. Some may make the capsule harder. Some may cause color change, cloudiness, leakage, or poor drying.
This is why sampling and stability observation are important for new formulas. A formula that looks good on a specification sheet may still need adjustment before mass production.
Sticking or Deformation
Softgels can stick together when drying, polishing, packaging, or storage is not well controlled.
This risk becomes higher in warm or humid markets. It can also happen when the capsule surface has residual oil or the packaging does not protect the product well enough.
For export orders, packaging should be chosen with real shipping conditions in mind.
Sedimentation
Suspended formulas need special attention.
If active ingredients settle during production, the capsule content may not stay uniform. This can affect both quality and label claim consistency.
A manufacturer should check fill stability before production, not after the capsules are already made.
What Documents Should a Softgel Manufacturer Provide?
For B2B supplement orders, documents are part of the product.
Buyers should ask what documents can be provided before confirming the order. Do not wait until the goods are finished.
Common documents include:
- Certificate of Analysis
- Raw material specification
- Finished product specification
- Microbiological test report
- Heavy metal test report
- Batch production record, if required
- Packaging specification
- Stability support, if needed
- Certificate of Origin, if required
- Free Sale Certificate, if required
- FDA registration information, if applicable
- Halal documents, if required
- Kosher documents, if required
For export orders, document requirements should be discussed before production. Different markets may ask for different files. A manufacturer with export experience can help reduce delays during customs clearance or product registration.
Packaging Options for Softgel Supplements
Packaging is not only about appearance. It affects stability, shipping, shelf life, and customer experience.
Bottles
Bottles are the most common option for softgel supplements.
They are often used for:
- Fish oil softgels
- Omega-3 softgels
- Vitamin D3 softgels
- CoQ10 softgels
- Lutein softgels
- Herbal oil softgels
Bottle size, cap type, induction seal, desiccant use, and label material should match the formula and market.
Blister Packs
Blister packs can give better single-capsule protection. They are often used for pharmacy channels, premium products, travel packs, or markets with higher humidity.
Blisters may cost more, but they can help protect softgels from moisture, oxygen, and handling damage.
Bulk Packing
Bulk softgels are suitable for buyers with local packaging capability.
This option is often used by distributors, contract packers, or brands that want to complete final packaging in their own market.
Custom Label and Carton
Private label softgel projects usually include bottle selection, label design, carton design, shipping carton, and export marks.
A good packaging plan should consider more than shelf appearance. It should also consider container loading, long-distance shipping, warehouse conditions, and retail handling.
How to Choose a Softgel Capsule Manufacturer
Choosing a softgel capsule manufacturer is not only about finding the lowest quote. A low price does not help if the capsules leak, oxidize, stick together, or arrive with missing documents.
Here are the points buyers should check.
Do They Review the Formula First?
A serious manufacturer will ask about your formula before confirming production.
They should check the active ingredients, dosage, fill type, capsule size, packaging, target market, and document needs.
If a supplier only asks for quantity and packaging, they may not be reviewing the real manufacturing risk.
Do They Understand Oil-Based Formulas?
Softgels are often used for oils and fat-soluble nutrients. The factory should understand oxidation, odor, viscosity, sediment, and stability issues.
This is especially important for fish oil, CoQ10, lutein, astaxanthin, herbal oil extracts, and high-value active ingredients.
Can They Provide Real Quality Documents?
Do not only ask whether the factory has “strict quality control.” Ask what documents can be provided before shipment.
For supplement brands, COA, microbiological testing, heavy metal testing, ingredient specifications, and packaging specifications are more useful than general promises.
Can They Support Custom Packaging?
For private label brands, packaging is part of the product.
Bottle choice, label material, carton strength, desiccant, induction seal, and shipping carton design can all affect the final result.
A manufacturer that understands packaging can help avoid problems before the goods leave the factory.
Can They Support Export Orders?
International buyers need more than production.
They often need commercial invoices, packing lists, Certificate of Origin, Free Sale Certificate, product specifications, COA, and market-specific documents.
If you sell in the United States, Europe, Southeast Asia, the Middle East, or other export markets, discuss document needs before production starts.
Softgel Capsules vs Hard Capsules
Softgels and hard capsules are both common supplement formats, but they fit different formulas.
| Factor | Softgel Capsules | Hard Capsules |
|---|---|---|
| Best for | Oils, liquid fills, fat-soluble ingredients | Powders, herbs, dry blends |
| Consumer feel | Smooth, premium | Simple, familiar |
| Formula flexibility | Better for oil systems | Better for dry systems |
| Cost | Usually higher | Usually lower |
| MOQ | Often higher | More flexible |
| Main risk | Leakage, oxidation, shell-fill interaction | Moisture, powder flow, capsule cracking |
| Common products | Fish oil, D3, CoQ10, lutein | Herbal blends, vitamins, minerals, probiotics |
If the formula is oil-based, softgels are often the better choice. If the formula is a dry herbal blend or powder blend, hard capsules may be more practical.
The right dosage form depends on the formula, cost target, market positioning, and stability requirements.
Common Questions Before Starting a Softgel Project
What is the MOQ for softgel capsule manufacturing?
The MOQ depends on the formula, capsule size, packaging type, and customization level. Existing formulas usually have a lower entry barrier than fully customized softgel projects.
Can softgels be made vegetarian?
Yes, vegetarian softgels are possible. But not every formula is suitable. The shell system, fill material, stability, production cost, and drying behavior should be reviewed before confirming production.
How long does softgel manufacturing take?
Production time depends on formula approval, raw material readiness, packaging confirmation, testing, and order quantity. For regular orders, lead time should be discussed during quotation. Rush orders may be possible when the formula and packaging are already confirmed.
Do softgel capsules need stability testing?
For new formulas, stability observation is recommended. This is especially important for oil-based, high-active, colored, suspended, or export products.
What should I prepare before requesting a quote?
Prepare these details before contacting a softgel manufacturer:
- Formula or active ingredients
- Dosage per capsule
- Target capsule size
- Estimated quantity
- Packaging type
- Target market
- Label requirement
- Required documents
- Preferred delivery method
The more complete your information is, the faster the manufacturer can check feasibility and prepare a realistic quotation.
Start a Softgel Capsule Manufacturing Project with Jiabei Health
Jiabei Health supports softgel capsule manufacturing for supplement brands that need custom formulas, private label packaging, quality documents, and export support.
Our team can help review your formula, check whether softgel is the right dosage form, prepare samples, arrange production, provide COA, and support packaging and shipping documents for international orders.
We work with common softgel products such as fish oil, omega-3, vitamin D3, CoQ10, lutein, astaxanthin, evening primrose oil, and herbal oil formulas. Custom projects can also be reviewed based on your target market and product positioning.
If you are planning a softgel supplement project, share your formula idea, target market, packaging plan, and estimated order quantity. A clear review at the beginning can save time, reduce quality risk, and make production easier to manage.
