Dietary Supplement OEM & Contract Manufacturing Services
GENSEI provides dietary supplement OEM, ODM, private label and contract manufacturing support for brands, distributors and supplement companies. From custom formulation and ingredient sourcing to dosage form development, packaging, quality control and finished product delivery, we help turn supplement concepts into market-ready products.
We support capsules, tablets, powders, gummies, softgels, liquids, protein bars, oral sprays, lozenges, chewable tablets and effervescent supplements across beauty, collagen, joint health, sports nutrition, gut health, immune support, hydration, healthy aging and functional wellness categories.
- Custom supplement formulation and OEM manufacturing
- Private label capsules, tablets, powders, gummies and liquids
- Collagen, protein, vitamin, herbal and functional wellness formulas
- Packaging, quality documentation and low MOQ project support
Quick Answer: What Can GENSEI Manufacture?
GENSEI provides dietary supplement OEM, ODM, private label and contract manufacturing services for capsules, tablets, powders, gummies, softgels, liquids, protein bars, oral sprays, lozenges, chewables and effervescent tablets. We support custom formulation, ingredient sourcing, sample development, packaging, quality testing and project-specific manufacturing solutions for supplement brands.
Choose the Right Manufacturing Path
Different supplement brands need different launch paths. Some need fast private label products, while others need custom formulas, contract manufacturing or ingredient-to-finished-product support.
Private Label Supplements
Use selected formulas, customized branding and suitable packaging to launch faster with lower development complexity.
Custom Formula Supplements
Develop proprietary formulas based on your target ingredients, dosage form, flavor, texture and market positioning.
Contract Manufacturing
Manufacture existing formulas or scale approved product concepts with production, packaging, testing and documentation support.
Integrated Supplement Solutions
Connect ingredient sourcing, formula design, dosage form selection, packaging and finished product manufacturing in one project path.
Supplement Manufacturing Services
Explore our dosage form and product format manufacturing services. Each service page supports a different product type, from standard capsules and tablets to gummies, powders, liquids, bars, sprays and effervescent tablets.
Capsule Supplement Manufacturing
Hard capsule manufacturing for vitamins, minerals, botanicals, amino acids, probiotics and functional wellness blends.
Softgel Capsule Manufacturing
Softgel production for oil-based ingredients, fat-soluble nutrients, omega products and beauty supplement concepts.
Gummy Supplement Manufacturing
Custom gummy supplements for beauty, sleep, immune support, kids nutrition, daily wellness and lifestyle formulas.
Tablet Supplement Manufacturing
Tablet manufacturing for multivitamins, minerals, herbal blends, coated tablets and high-volume supplement products.
Powder Supplement Manufacturing
Powder blending and packing for collagen, greens, protein, electrolytes, hydration, stick packs and sachets.
Liquid Supplement Manufacturing
Liquid drops, syrups, shots, functional drinks and liquid supplement concepts with flavor and stability review.
Protein Supplement Manufacturing
Protein powders and blends using whey, plant proteins, collagen peptides, amino acids and functional nutrition systems.
Vitamin Contract Manufacturing
Vitamin supplements in capsules, tablets, gummies, powders, liquids and custom multinutrient formats.
Herbal Supplement Manufacturing
Botanical extract and herbal blend manufacturing for traditional wellness, immune, sleep, stress and functional formulas.
Protein Bar Manufacturer
Protein bars, collagen bars, meal replacement bars, plant-based bars, keto bars and functional snack concepts.
Oral Spray Manufacturer
Oral spray supplements for vitamin, energy, sleep, immune, breath and no-water wellness concepts.
Lozenge Manufacturer
Functional lozenges for immune support, oral wellness, throat comfort, zinc, vitamin C and botanical formulas.
Chewable Tablet Manufacturing
Chewable tablets for kids, seniors, daily vitamins, minerals, probiotics and consumer-friendly supplement formats.
Fast Dissolve Tablet Manufacturer
Fast-dissolving tablets for no-water use, travel convenience, senior-friendly formulas and on-the-go wellness.
Effervescent Tablet Manufacturer
Effervescent tablets for electrolytes, vitamin C, magnesium, multivitamins, collagen, hydration and immune support drinks.
Custom Formulation
Formula development support for brands building differentiated supplements from concept to finished product.
Manufacturing Solutions by Application
GENSEI supports application-specific supplement development across beauty, sports nutrition, joint health, gut health, immune support, hydration, healthy aging and other functional wellness categories.
Joint Health Supplements
Glucosamine, chondroitin, MSM, collagen, boswellia and mobility-support supplement concepts.
Sports Nutrition Manufacturing
Pre-workout, post-workout, amino acids, creatine, protein, recovery and active lifestyle formulas.
Gut Health Supplement Manufacturing
Probiotic, prebiotic, digestive enzyme, fiber and gut wellness supplement formats.
Weight Loss Supplement Manufacturing
Metabolism support, appetite support, fiber, meal replacement and active lifestyle weight management formulas.
Immune Support Supplement Manufacturing
Vitamin C, zinc, elderberry, mushroom extracts, botanicals and daily immune wellness products.
Pet Supplement Manufacturer
Pet supplements for joint, skin, coat, digestion, calming, immune and daily wellness positioning.
Blood Sugar Supplement Manufacturer
Blood sugar, metabolic wellness, carb support and glucose support supplement product concepts.
Liver Support Supplement Manufacturer
Milk thistle, NAC, glutathione, detox support, antioxidant and liver wellness supplement formulas.
Eye Health Supplement Manufacturer
Lutein, zeaxanthin, bilberry, DHA, vitamin A and eye health supplement concepts.
Bone Health Supplement Manufacturer
Calcium, vitamin D3, K2, magnesium, collagen and bone support supplement products.
Omega-3 Softgel Manufacturer
Fish oil, omega-3, EPA/DHA, heart health, prenatal and brain health softgel products.
Mushroom Supplement Manufacturer
Lion’s mane, reishi, cordyceps, chaga, turkey tail and functional mushroom supplements.
Hydration Supplement Manufacturer
Electrolyte powders, hydration stick packs, sports hydration, travel hydration and mineral drink mixes.
Healthy Aging Supplement Manufacturer
Collagen, CoQ10, NMN, resveratrol, antioxidants, joint mobility and cellular wellness products.
Nootropic Supplement Manufacturer
Brain health, focus, memory, clarity, cognitive support and nootropic supplement formulas.
Stress & Mood Supplement Manufacturer
Relaxation, calm support, adaptogens, magnesium, L-theanine and mood wellness products.
Sleep Supplement Manufacturer
Melatonin, magnesium, glycine, herbal blends, sleep gummies, capsules, liquids and sprays.
Hair, Skin & Nails Supplements
Beauty-from-within formulas using collagen, biotin, hyaluronic acid, vitamin C, zinc and antioxidant support.
Capability Matrix
Use this matrix to quickly understand how GENSEI can support different supplement manufacturing projects.
| Capability | Available Options | Why It Matters |
|---|---|---|
| Manufacturing Model | OEM, ODM, private label, semi-custom and fully custom manufacturing | Helps brands balance launch speed, formula control, budget and differentiation. |
| Dosage Forms | Capsules, tablets, powders, gummies, liquids, softgels, bars, sprays, lozenges, chewables and effervescents | Different formats affect serving size, consumer experience, stability, MOQ and cost. |
| Ingredient Support | Collagen, proteins, vitamins, minerals, botanicals, amino acids, probiotics, enzymes, mushrooms and oils | Ingredient selection affects claim strategy, product positioning and manufacturing feasibility. |
| Packaging | Bottles, jars, pouches, stick packs, sachets, blisters, cartons, wrappers and retail packaging | Packaging affects shelf life, user convenience, shipping, retail presentation and brand perception. |
| Quality Support | Raw material review, in-process control, finished product testing and batch documentation | Quality documentation helps protect consumer trust and B2B buyer confidence. |
| Launch Path | Low MOQ options, private label launch, sample development, pilot run and scale-up production | Different stages require different planning for sampling, packaging, testing and production. |
Our Supplement Manufacturing Process
A clear process reduces risk, improves communication and helps your product move from concept to finished goods more efficiently.
Project Brief
Share your product idea, target market, ingredients, dosage form, packaging needs and launch goals.
Formula Review
We review formula feasibility, ingredient dose, serving size, flavor, texture, stability and production fit.
Ingredient Sourcing
We help evaluate raw material availability, specifications, allergens, documentation and project requirements.
Sample Development
Samples can help you review taste, appearance, dosage form, texture and user experience before production.
Packaging Planning
Select bottles, jars, pouches, stick packs, sachets, cartons, wrappers, labels and retail-ready formats.
Production Setup
Production planning includes batch size, process steps, packaging components, testing and project timeline.
Manufacturing
Your supplement is blended, filled, compressed, molded, packed or produced according to the approved project path.
Testing & Delivery
Finished products can be checked, documented, packed and prepared for shipment based on your requirements.
Quality, Testing and Documentation
Supplement manufacturing requires more than production capacity. Brands also need ingredient review, finished product testing, batch documentation and clear communication around specifications.
Raw Material Review
Support for reviewing ingredient specifications, source information, allergen status and supplier documentation.
Production Control
Manufacturing steps are managed according to approved requirements, batch records and process controls.
Finished Product Testing
Testing may include appearance, moisture, microbiology, heavy metals, active ingredients and project-specific checks.
MOQ, Timeline and Project Options
MOQ and timeline depend on dosage form, formula complexity, raw material availability, packaging format, testing requirements and order quantity. Contact us with your product concept for a project-specific quotation.
| Project Type | Best For | Typical Considerations |
|---|---|---|
| Private Label Formula | Brands that want a faster launch path | Selected formula, label design, packaging format, MOQ and market positioning. |
| Semi-Custom Formula | Brands that want moderate differentiation | Ingredient adjustments, flavor, dosage form, serving size and sample confirmation. |
| Fully Custom Formula | Brands building proprietary products | R&D, ingredient sourcing, sample development, stability review and longer project timelines. |
| Scale-Up Manufacturing | Brands with an existing formula | Batch size, packaging components, documentation, testing requirements and production planning. |
How to Choose a Supplement Manufacturer
A good supplement manufacturing partner should help you reduce project risk, not simply quote a unit price.
Check Dosage Form Fit
Make sure the manufacturer can handle your required format, whether it is a capsule, gummy, powder, liquid, bar, softgel or specialty tablet.
Review Ingredient Feasibility
Confirm that your ingredients are suitable for your target market, dosage form, serving size, taste and production process.
Ask About Documentation
Ask about specifications, COA support, allergen information, raw material documentation and finished product testing options.
Understand MOQ
MOQ varies by formula, packaging, raw materials and production setup. Avoid one-size-fits-all answers.
Plan Packaging Early
Packaging affects cost, stability, shelf life, shipping and brand presentation, so it should be discussed before production.
Match Claims to Formula
Your claim strategy should match ingredient logic, dosage, market rules and consumer expectations.
Frequently Asked Questions
What is a dietary supplement OEM manufacturer?
A dietary supplement OEM manufacturer produces supplements for brands using agreed formulas, dosage forms, packaging and quality requirements. OEM projects may include capsules, tablets, powders, gummies, liquids, softgels and other formats.
Do you support custom supplement formulation?
Yes. GENSEI supports custom formulation, formula review, ingredient sourcing, sample development, dosage form selection, packaging planning and finished product manufacturing.
What dosage forms can you manufacture?
We support capsules, tablets, powders, gummies, liquids, softgels, protein supplements, vitamin supplements, herbal supplements, protein bars, oral sprays, lozenges, chewable tablets, fast dissolve tablets and effervescent tablets.
Can you manufacture private label supplements?
Yes. Private label supplement manufacturing is suitable for brands that want a faster route to market using selected formulas, custom branding and suitable packaging.
What is the MOQ for supplement manufacturing?
MOQ depends on dosage form, formula complexity, ingredient availability, packaging format, testing requirements and order quantity. Contact us with your project details for a project-specific MOQ and quote.
Can you help with packaging?
Yes. Packaging options may include bottles, jars, pouches, stick packs, sachets, blisters, cartons, wrappers and retail-ready packaging depending on the product format.
Do you support supplement quality testing?
Testing options may include raw material review, microbiology, heavy metals, moisture, active ingredient testing, allergen review and other project-specific checks.
Start Your Supplement Manufacturing Project with GENSEI
Send us your product idea, dosage form, key ingredients, target market, flavor preference, serving size, packaging format and estimated order quantity. We will help you review a practical supplement OEM or private label manufacturing solution.