Capsules are one of the most flexible supplement formats, but a good capsule project still requires more decisions than choosing an ingredient list.
Formula density, capsule size, serving count and packaging all affect manufacturability and finished cost.
Start with the formula load
The first technical question is whether the target formula fits into the desired number of capsules.
Important inputs include:
- Ingredient amount
- Powder density
- Number of ingredients
- Excipients
- Capsules per serving
A large formula may require a larger capsule or more capsules per serving.
Choose capsule shell type
Common hard-capsule projects may use gelatin or vegetarian shell options such as HPMC, depending on the formulation and commercial positioning.
The shell decision should be confirmed early because it affects product positioning and sourcing.
Capsule size matters to the customer
A technically efficient capsule may not create the best consumer experience if it is too large.
Brands should balance:
- Fill capacity
- Number per serving
- Swallowability
- Bottle count
- Cost
Sometimes two smaller capsules are commercially better than one very large capsule.
Private label or custom capsule formula?
A stock capsule formula is useful for faster launch and simpler sampling.
Custom formula development may be appropriate when the brand needs:
- Different active levels
- Additional ingredients
- Vegetarian shell requirement
- Different serving count
- New positioning
Our lab and R&D team can help review the route before production.
MOQ and bottle count
MOQ can change with:
- Formula batch size
- Ingredient minimums
- Capsule count
- Bottle count
- Label quantity
- Printed carton minimums
A 30-count bottle and a 120-count bottle may use the same formula but have very different commercial economics.
Sampling
A capsule sample can help the buyer review:
- Capsule size
- Appearance
- Color
- Bottle presentation
- Label fit
Qualified B2B projects can discuss free sample support before production.
Packaging options
Common capsule packaging includes:
- HDPE/PET bottles
- Amber bottles
- Standard caps
- Induction seals
- Desiccants
- Labels
- Printed cartons
For a first order, a stock bottle plus custom label can be more flexible than a fully customized bottle and box.
Testing and quality documentation
Testing scope should be discussed before the order is finalized.
Additional third-party testing can be coordinated when required.
For U.S. dietary supplements, FDA CGMP guidance covers specifications and quality-control responsibilities relevant to manufacturing. FDA CGMP guide
What to send for a capsule quote
Send:
- Formula or reference
- Capsule shell preference
- Capsules per serving
- Count per bottle
- Order quantity
- Packaging reference
- Destination market
- Testing requirements
We can then review formula fit, sample options and manufacturing cost.
Browse capsule products or contact Nina@siroad.net.
Start from a real product, then customize if needed.
Our published catalog contains current products for sampling and private-label discussions. Open a product to review the dosage form, health direction and B2B options.
5-Hydroxytryptophan Capsules
5-HTP (5-Hydroxytryptophan) Capsules feature a plant-based formula labeled with 100 mg of 5-HTP per capsule, supporting everyday mood balance, relaxation, and sleep wellness.
View product →
Apple Cider Vinegar Capsules
ACV capsules have the most credible support for **post-meal blood sugar smoothing** and **modest weight loss as part of a calorie-controlled diet**. Benefits are real but small, and capsule dosing may underdeliver vs. the liquid doses studied. If you have diabetes or take medication, consult your doctor before starting.
View product →
Berberine Complex Capsules
A complex capsule concept for metabolic wellness portfolios.
View product →Request a sample and calculate your product cost.
Send the product name or reference, target market, estimated quantity and packaging idea. We can discuss a stock formula, formula adjustment or custom R&D route, then confirm sampling and manufacturing cost.