Introduction:
Gelatin vs vegetarian softgels is a shell decision for OEM buyers: when to keep a gelatin softgel shell, when vegetarian or vegan claims require a plant-based softgel shell, and what a conversion changes in drying, testing, cost, and qualification. A softgel manufacturer should name that softgel shell material with the fill and the destination market. Do not switch the shell after artwork approval.
Quick answer: Gelatin is often the usual starting point for oil fills when animal gelatin is accepted, because rotary-die experience and gel-mass supply are well established around gelatin systems. [3] Use a named plant-gel system when vegetarian or vegan must be true on the bill of materials (BOM). “Vegetarian softgel” describes the finished format and claim—not one universal shell material. The fill may stay the same; the manufacturing qualification cannot.
Key takeaways
- Vegetarian, vegan, and plant-based are different claims. Specify the claim first and the shell system second.
- Keep a qualified gelatin ribbon when the market accepts animal gelatin and the current SKU already works.
- Use plant gel when a customer specification, retailer requirement, or finished-product claim forbids animal gelatin.
- Buy a named grade — not the word “vegetarian softgel.”
- A conversion is a separate manufacturing configuration.
This guide reflects shell-selection issues reviewed during softgel formulation and OEM qualification: gelatin-source selection, plant-gel feasibility, fill compatibility, drying, seam integrity, and claim documentation. Recommendations are manufacturing-feasibility guidance, not universal process specifications. Plant-gel behavior varies by supplier grade, fill, and equipment configuration.
What Are Vegetarian Softgels Made Of?
Buyers often write “vegetarian softgel” as if it were one material. Vegetarian softgel ingredients still have to be a named shell grade plus the rest of the BOM.
- Gelatin softgel — animal-derived gelatin (bovine, porcine, or fish-gelatin source).
- Vegetarian softgel — a non-animal shell system that meets the applicable vegetarian specification.
- Vegan softgel — a non-animal BOM, including processing aids, that can support the vegan claim.
- Fish gelatin — animal gelatin. It is not vegetarian, not vegan, and not a fish-oil fill.
Can softgels be vegetarian or vegan? Yes, when the named shell and the rest of the BOM support the claim. Starch, pectin, and carrageenan are different vegetarian softgel shell materials. They are not drop-in replacements for one another’s drying and seal windows.
The shell system determines the polymer, water, plasticizer, and colorant profile. For composition detail, see what softgels are made of. This page stays on which family to specify.
Plant-gel systems buyers should distinguish
Buy a named grade, not “vegetarian softgel.”
Modified starch
Check: Fill compatibility, drying window, and the supplier grade you will actually run.
Carrageenan-based
Check: Gel strength, moisture behavior, and fill compatibility on that grade.
Pectin-based
Check: Supplier grade, sealing behavior, and drying on that film.
Other proprietary systems
Check: Exact polymer system and technical data for this fill and die. Pullulan, if used, is a named grade. “Vegetarian gelatin” is not a grade.
Vegetarian vs Vegan vs Plant-Based Softgels
These words are not interchangeable on an RFQ.
Vegetarian
A vegetarian softgel typically requires a non-animal shell that meets the applicable vegetarian specification. The rest of the BOM still has to match that claim.
Vegan
A vegan softgel requires the full BOM to support the claim — not merely a plant-gel ribbon. Certified bovine or fish gelatin cannot satisfy vegan.
Plant-based
Plant-based softgel is often marketing language. Do not treat it as automatically equivalent to vegan. Print the word the documentation can prove.
For OEM procurement, specify the claim first and the shell system second.
Gelatin Sources: Bovine, Porcine and Fish
Gelatin source matters more than writing “gelatin” on the RFQ. All three below are animal-derived. None is vegetarian or vegan.
Bovine gelatin
Animal-derived: Yes. Vegetarian / vegan: No.
Halal / Kosher: May meet the applicable certification requirements when source, supplier, processing controls, and certificates match the customer specification.
Porcine gelatin
Animal-derived: Yes. Vegetarian / vegan: No.
Halal / Kosher: Generally unsuitable for Halal or porcine-free briefs.
Fish gelatin
Animal-derived: Yes. Vegetarian / vegan: No.
Halal / Kosher: May meet the applicable certification requirements when source and certification match the customer specification.
Fish gelatin ≠ vegetarian. Fish gelatin ≠ fish oil.
It is a gelatin softgel shell source. It does not name the fill. A fish-gelatin quote read as “plant-based” is a specification error.
How the Fill Affects Shell Selection
Claims often pick the polymer family. The fill still has to run on that film. Fill class (solution vs suspension) is oil fill vs suspension softgels. Use the directions below as a start, then confirm on a manufacturing trial.
Standard oil solution
Gelatin is usually the easiest starting point when animal gelatin is accepted.
Oil suspension
Check: Viscosity, suspended solids, migration, seam integrity, and leakage after production-relevant drying on the named ribbon — before you freeze the shell.
Oxidation-sensitive lipid
Shell choice, packaging, and oxygen control need a joint review.
Vegan lipid fill
Plant-gel shell if vegan applies to the finished SKU, including the ribbon.
Heat- or moisture-sensitive fill
Compare the processing window of each shell family before you name the grade.
New botanical or oil blend
Do not assume an incumbent gelatin ribbon will transfer.
When Should You Choose Gelatin vs Plant Gel?
Keep a gelatin softgel shell
When: The destination market accepts animal gelatin; there is no vegetarian or vegan claim; calendar matters; Halal or Kosher may be met with a certified bovine or fish-gelatin source (porcine will not).
Why it is often practical: For an existing oil-filled SKU, keeping the qualified gelatin ribbon usually avoids reopening shell qualification. Most commercial rotary-die experience sits on gelatin. [3] Do not convert a working gelatin SKU without a claim or customer driver.
Trade-off: Animal origin. Cannot carry vegetarian or vegan claims. Ribbon cost is often lower — confirm on quote.
Use a vegetarian / plant-gel ribbon
When: A retailer or private-label specification, marketplace listing, brand range, destination-market rule, or vegan claim forbids animal gelatin — or artwork already says vegetarian/vegan while the ribbon is still gelatin.
Why it is required: Name the plant-gel system when the finished-product claim or customer specification requires a non-animal shell. A new label does not convert a gelatin BOM. Retailer specifications can be stricter than legal minimums.
Trade-off: Named-system qualification; fill compatibility review; often additional qualification work and possibly higher shell-material cost. Cost still depends on system, supplier, cavity, fill, and volume.
A conventional marine-oil fill with no vegetarian claim often stays on a qualified gelatin ribbon when the oil and gel mass are already named. An algal DHA (or other lipid) brief that must say vegan on pack cannot use gelatin — including fish gelatin. The fill stays a lipid formulation; the vegan claim is what forces a named plant-gel ribbon and a new qualification.
If none of those drivers exist, changing to plant gel adds qualification work without a file that needs it.
What Changes When You Switch from Gelatin to Plant Gel?
The fill may stay the same, but the manufacturing qualification cannot.
The fill recipe may look unchanged on paper. The ribbon is a different polymer, with a different sealing window. [3] Treat gelatin → vegetarian as a new manufacturing qualification, and confirm whether your SKU system also needs a new number. Do not mark up the last gelatin lot.
In the conversion file, reopen:
- Ribbon — named plant-gel system. “Vegetarian equivalent” is not a grade.
- Drying — Check: moisture endpoint and handling (tack vs brittleness) on the named ribbon. Do not copy gelatin drying parameters.
- Fill compatibility — Check: fill viscosity, suspended solids, migration, seam integrity, and leakage after production-relevant drying.
- Stability — Check: whether the existing stability package can be bridged, or whether new stability data are required for the new shell configuration. Gelatin month-counts do not transfer automatically.
- Leak and seam — gelatin history is not a plant-gel leak file. Diagnosis language sits on why softgels leak.
- Artwork and pack — color, opacity, print, blister pocket, and claim lines often move.
If the only request is “print vegetarian on the existing gelatin oval,” the BOM cannot support the claim.
Step order of encapsulation does not change; the shell file does. Seal temperature, cure, tack, and drying are system-specific. A gelatin die name is not proof the same cavity will run the new gel mass. Volume bands can move; there is no universal cost percentage on this page.
Fish Gelatin vs Vegetarian Softgels — and HPMC vs Softgels
Plant gel ≠ HPMC.
HPMC (hypromellose) is dipped into empty two-piece hard capsules. A vegetarian softgel uses a plant-gel ribbon on a rotary die. “HPMC vegetarian softgel” on an RFQ names the wrong polymer and the wrong machine. Two-piece shell choice is HPMC vs gelatin capsules. Buyers searching “vegetarian softgel capsules” usually mean a one-piece plant-gel softgel. Dry powder plus vegetarian usually means HPMC hard capsules. For an oil-based vegetarian product, name the actual plant-gel system rather than writing “HPMC.”
Fish-gelatin mix-ups are a source error, not a plant-gel error — see Gelatin Sources above.
Claims, BOM and Certification
Vegetarian, vegan, Halal, and Kosher are not properties of the word “softgel.”
Claim → BOM → supplier grade → certificate → finished-product specification.
The certificate must match the actual shell material and supplier/grade in this lot. A certificate issued for another SKU does not cover this one.
- Vegetarian / vegan follow the full gel-mass bill (polymer, plasticizer, colorants, processing aids) and the certificates you will print.
- Halal / Kosher on gelatin follow source, supplier, processing controls, and the applicable certification. Porcine will not support those briefs. Bovine and fish gelatin may meet the customer’s certification requirements when the files match; they do not become vegetarian.
- A gelatin CoA covers that input. It does not replace finished-product testing, and it is not a vegan statement. [2]
TiO₂-free is a colorant specification. Plant gel does not automatically make a grade TiO₂-free. For EU-market products, confirm the current applicable requirements for titanium dioxide (E171) before selecting the color system. [4]
What to Include in a Softgel Manufacturing RFQ
Specify the shell as gelatin, vegetarian, or “recommend.” You do not need a finished formula to start the review. If you do not yet have a shell, write “recommend.”
A softgel manufacturing RFQ should include:
- Shell: gelatin / vegetarian / recommend
- Gelatin source: bovine / porcine / fish / unknown
- Vegetarian vs vegan vs plant-based claim (the word you will print)
- Halal / Kosher requirement
- Fill type: oil solution / suspension
- Target fill weight
- Softgel shape / size
- Color / opacity
- Packaging
- Destination market
- Existing SKU conversion: yes / no
- Existing shell supplier
- Stability history
- Target MOQ
Feasibility (gelatin vs plant gel vs format change) is decided before a commercial quotation. A shell conversion should be quoted and qualified as a separate manufacturing configuration.
Softgel Shell Selection: Questions to Confirm Before Qualification
- Why switch? Retailer specification, vegan claim, brand range — or preference without a driver?
- What must pack say? Vegetarian vs vegan vs plant-based vs Halal-only.
- Shelf-life target, and is there gelatin stability you hoped to reuse?
- What tooling exists? Was the die qualified only on gelatin?
- Is artwork frozen? Color, opacity, vegan wording, blister.
- Leak or stick history on the current shell? That history does not transfer.
- Oil solution or suspension, and will that mass still pump and seal on the new film?
If the driver is only preference, the existing gelatin configuration may remain the more practical starting point.
Send Your Softgel Shell Brief
You do not need a finished formula to start.
Converting an existing gelatin SKU? Send the current shell, fill type, market, and stability history.
Developing a new softgel? Send the fill, target claim, market, and approximate fill weight.
Not sure whether gelatin or plant gel is suitable? Send the fill, market, and target claim. We can recommend the shell direction for feasibility review.
Then quote softgel manufacturing from that review.
Related Softgel Manufacturing Guides
No. HPMC is a two-piece hard-capsule polymer. Vegetarian softgels use a named plant-gel ribbon.
No. It is animal gelatin. It may support a Halal or Kosher specification when source and certification meet the customer’s requirements. It is not vegan.
No. Vegan requires a non-animal BOM. Certified bovine or fish gelatin is still gelatin.
The fill recipe may stay similar. The ribbon still needs a new manufacturing qualification. See What Changes When You Switch from Gelatin to Plant Gel?
Different shell system → different drying parameters. The moisture endpoint must be validated for the named ribbon.
They often need additional qualification and may carry a higher shell-material cost. Confirm on quote.
Shelf life should be established from the finished formulation, shell system, packaging, storage conditions, and supporting stability data. Do not infer shelf life from shell type alone.
No. Modified starch, pectin, and carrageenan are different systems. Name the grade you will run.
Not always. Vegan is the stricter BOM-and-certificate claim.
A gelatin die name does not prove the same cavity will run the new gel mass. Confirm on a qualification trial.
Only if the brief also requires vegetarian or vegan. Halal is a certified gelatin-source path unless animal gelatin is forbidden entirely.
See What to Include in a Softgel Manufacturing RFQ. You do not need a finished formula to start.
FDA dietary-supplement CGMP describes how inputs and finished lots are specified and tested. It does not publish a universal plant-gel formula or a drying-parameter SOP.
- U.S. Food and Drug Administration. Dietary Supplements.
- U.S. Food and Drug Administration. Current Good Manufacturing Practice in Manufacturing, Packaging, Labeling, or Holding Operations for Dietary Supplements, 21 CFR Part 111. Specifications, testing against those specifications, and batch records.
- Gullapalli RP. Soft gelatin capsules (softgels). J Pharm Sci. 2010;99(10):4107-4148. Supports gelatin as an established thermo-reversible, plasticized film for rotary-die formation, fill, and seal — process context, not a KS batch SOP.
- Commission Regulation (EU) 2022/63 amending the authorisation of titanium dioxide (E 171) as a food additive. Official Journal of the European Union.
