Press release
How Supplement Oral Liquid Is Made: Inside a Supplement Factory
Today, we're stepping into another part of our GMP‐certified facility to show you how supplement oral liquids are made - a process that demands precision, hygiene, and advanced technology to ensure every bottle delivers safety, potency, and consistency.
1. Formulation & Raw Material Sourcing
Every oral liquid starts with a scientifically designed formula:
Active ingredients: vitamins, minerals, herbal extracts, amino acids
Supporting components: stabilizers, sweeteners, natural flavors
Designed for taste, solubility, and shelf life
We source all raw materials from audited, trusted suppliers to meet international quality standards.
2. Ingredient Testing & Preparation
On arrival, ingredients are:
Quarantined and tested for purity, potency, and contaminants (heavy metals, microbes, pesticides)
Liquids and extracts are filtered to remove impurities
Powders are pre‐dissolved or emulsified for uniform mixing
3. Mixing & Homogenization
In stainless steel mixing tanks, ingredients are combined under controlled temperature and agitation. For certain formulas, high‐shear mixers or homogenizers are used to:
Achieve even distribution of active ingredients
Create stable emulsions for oil‐in‐water blends
Ensure consistent taste and texture
4. Pasteurization or Sterilization (If Required)
Some formulas undergo heat treatment or sterile filtration to:
Extend shelf life
Ensure microbial safety without degrading active compounds
5. Filling & Nitrogen Protection
The prepared liquid moves to the filling line, where:
Bottles or vials are automatically cleaned and sterilized
Liquid is filled to precise volumes
Nitrogen flushing may be used to displace oxygen, protecting sensitive ingredients from oxidation
6. Sealing & Capping
Containers are sealed immediately to prevent contamination. Depending on the product, this may include:
Screw caps
Dropper caps
Heat‐sealed foil lids
7. Labeling & Batch Coding
Each unit is labeled with:
Product name and ingredients
Usage instructions
Batch number and expiration date (printed via continuous inkjet coding)
8. Quality Control & Inspection
Our QA team conducts:
In‐process checks for fill volume, seal integrity, and label accuracy
Final product testing for potency, purity, and stability
Visual inspection to remove any defective units
9. Packaging & Shipping
Finished bottles are:
Packed into inner boxes, then outer cartons
Palletized for safe transport
Stored in climate‐controlled warehouses until shipment
Why Choose Sinofn Health for Oral Liquid Supplements
GMP‐certified production for global compliance
Custom formulations tailored to your brand's needs
Flexible MOQs for startups and established companies
End‐to‐end OEM/ODM service - from concept to finished product
Your Reliable Nutrition Business Partner - delivering science‐backed, market‐ready oral liquid supplements to help your brand grow.
📌 Next Step: Contact us to discuss your custom oral liquid supplement project and see how we can bring your idea to life.
Sinofn Health Co., Ltd.
Address
Room 704, Building 1 Minghai Center, 416 Hulunbeier Road, Dongjiang Area, Tianjin pilot Free Trade Zone, Tianjin, China
sihuizhu@sinofn.com
Website
www.sinofnhealth.com
SINOFN Health Co., Ltd. is the dedicated supplement OEM manufacturing division of SINOFN Group - a national high-tech enterprise founded in 2012 and backed by the Chinese Academy of Sciences. Established in 2025, we operate from Shanghai as the trading hub for global partners seeking premium, science-driven contract manufacturing services.
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