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Custom Dietary Supplements

Explore Our Range of Custom Supplement Contract Manufacturing Services

CUSTOM FORMULATION

Alcantara®保护壳

Alcantara ®(中文名:欧缔兰®) 是一种新型面料,拥有类似绒面皮革的优雅外观和舒适触感, 同时还可在常温清水中水洗清洁。该款保护壳设计紧凑,紧贴手机,在保持手机优美线条的同时,细心呵护手机,减缓其受外部冲击时可能受到的损伤。

TURNING CONCEPTS INTO REALITY

CUSTOMIZE YOUR FLAVOR

CUSTOMIZATION PROCESS

One stop customization service provider

Inquiry & Consultation

Proposal & Quotation

Confirm R&D & Formula

Sign Contract

After-Sales Support

Shipping& logistics

Third-Party Lab Testing

Production &QC

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

CHOOSE WHAT YOU NEED

Liquid Supplements

    OUR CERTIFICATIONS

    WHAT OUR CUSTOMER SAYS

    DUOZI Partner Testimonials-Success Speaks Louder
    DUOZI customer testimonial for custom collagen supplement OEM manufacturing
    Amelia Brown
    Our brand is complex, and we needed a manufacturer that could handle both scale and detail. DUOZI exceeded our expectations with their precision, extensive knowledge, and true partnership.
    khpj1
    NMN capsule supplement customer review for DUOZI private label manufacturing
    Ben Hoffman
    What sets DUOZI apart is their commitment to our brand's growth. They offered crucial insights, suggesting improvements to our formulas while always prioritizing customer satisfaction.
    khpj3
    Beauty supplement customer review for DUOZI gummies capsules and softgels OEM
    Abby Babe
    Je prends ce produit depuis un mois et je viens d'en racheter. C'est un excellent fournisseur, très efficace. Je le recommande aussi à mes meilleures amies !
    khpj5
    Private label oral liquid supplement review from DUOZI OEM partner
    Sophie Blan
    As newcomers in the supplement industry, we were apprehensive, but DUOZI made the entire process seamless. From formulation to production, their guidance and commitment to our brand's success were unmatched.
    khpj2
    Multivitamin tablet customer testimonial for DUOZI dietary supplement OEM
    Layla Ahmed
    Our partnership with DUOZI allowed our business to scale like never before. Their unmatched production capacity and dedication to quality control set new standards in our industry.
    khpj4
    Vitamin C effervescent tablet testimonial for DUOZI supplement manufacturer
    Christophe DERIVAZ
    This effervescent tablet dissolves quickly in water and has a very pleasant taste.
    khpj6

    DUOZI TEAM

    OEM ODM Manufacturing

    GENERAL FAQS

    • Q What services does DUOZI offer?

      A
      DUOZI offers comprehensive supplement manufacturing solutions, including contract manufacturing (OEM/ODM), private label, white label, custom formulation, and bulk raw material supply. We specialize in manufacturing a wide range of formats: Powder, Drink, Drops, Gummies, Capsules, Softgels, Tablets, Effervescent tablets, and Essential oils.
    • Q What types of products can DUOZI manufacture?

      A
      We have the capability and equipment to manufacture private label products across all major supplement formats, including Powder, Drink, Drops, Gummies, Capsules, Softgels, Tablets, Effervescent tablets, and Essential oils. We can work with you on custom formulations for any of these.
    • Q What is your minimum order quantity (MOQ)?

      A
      We pride ourselves on offering flexible MOQs to accommodate both startups and established brands. Our MOQ varies by product type and customization level. Please contact us with your specific needs for a tailored quote.
    • Q How does DUOZI ensure product quality?

      A
      Quality is our cornerstone. We operate in GMP-certified, 100,000-class cleanrooms and adhere strictly to cGMP and FDA guidelines. Every batch undergoes rigorous in-house testing for purity, potency, and contaminants. We also provide Certificates of Analysis (CoA) and can facilitate third-party lab testing (e.g., SGS, Intertek).
    CONTACT US

    LATEST NEWS & INSIGHTS

    Latest News
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    23/09/2026
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    Beverages

    Why Are More And More Women Choosing Liquid Beauty Supplements? Is Booty Syrup The Answer?

    Liquid beauty supplements are gaining popularity for their absorption efficiency and convenience—no water, no portioning, just open and drink. DUOZI Booty Syrup targets glute shaping by supporting fuller gluteal fat tissue, improving skin elasticity, and balancing feminine curves. With a precise 15ml serving and a 473ml bottle covering about a month, it fits busy lifestyles. However, it is nutritional support, not a magic cure—it cannot replace exercise or create overnight changes. Consistency is where real transformation begins.

    23/09/2026
    Beverages
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    Beverages

    Could Just A Small Mouthful A Day Be Enough To Activate The Digestive System’s Self-healing Powers?

    Soursop (Annona muricata) is a tropical fruit rich in acetogenins, antioxidants, and dietary fiber. It supports digestion, reduces inflammation, and protects the gut barrier. Studies show anti-ulcer, anti-diarrheal effects, increased antioxidant capacity (+23.6%), and reduced CRP (-17.2%). The global soursop supplement market is growing at 7.3% CAGR. DUOZI Exotic Soursop Bitters Syrup combines soursop with bitter herbs to gently support digestive self-healing. Not a miracle cure, but a natural aid for gut health when paired with a healthy lifestyle.

    23/09/2026
    Beverages
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    Gummies

    Maca Gummies – Natural Energy & Vitality Support for Modern Wellness

    Maca Buttocks Gummies are a gummy supplement positioned for body contouring, with a specification of 60pcs/bottle, 100 bottles/CTN, and 230g net weight. Duozi Health provides OEM and private label manufacturing: custom formulas, flavors, packaging, and multiple dosage forms. GMP-certified production, third-party testing, and COA documentation ensure quality and compliance. Ideal for beauty, wellness, and e-commerce brands seeking reliable, flexible manufacturing for body-shaping gummy products.

    22/09/2026
    Gummies
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    Softgel Capsules

    Cold Pressed Pure Evening Primrose Oil Softgels Manufacturer | Private Label Women’s Wellness Supplement OEM

    DUOZI Cold Pressed Pure Evening Primrose Oil Softgels provide a natural women’s wellness supplement solution featuring premium evening primrose oil, naturally sourced GLA, and clean-label nutrition positioning. Manufactured with low-temperature cold press technology, the formula helps preserve natural fatty acids while maintaining product quality and consistency. As a professional private label evening primrose oil softgel manufacturer, DUOZI supports global brands with customized formulas, packaging solutions, and OEM production services. Designed for women seeking plant-based daily nutrition products, this supplement provides brands with a reliable solution for the growing women’s wellness market.

    21/09/2026
    Softgel Capsules
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    Beverages

    Private Label Breast Enhancement Drink Manufacturer | Glutathione Oral Beauty Supplement OEM

    DUOZI Natural Breast Formula with Glutathione is a private label oral beauty supplement solution designed for brands entering the growing beauty-from-within market. Combining glutathione-based beauty positioning with a natural breast enhancement drink concept, this formula provides a differentiated opportunity for beauty supplement companies, distributors, and wellness brands. As an experienced OEM beauty supplement manufacturer, DUOZI supports global partners with formula customization, packaging development, private label production, and complete supply chain solutions.

    22/09/2026
    Beverages
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    Gummies

    Women’s Probiotic Gummies Manufacturer | OEM Private Label Cranberry Feminine Health Supplement Supplier

    DUOZI Women’s Probiotic Cranberry Gummies are a modern feminine wellness supplement solution designed for brands targeting the growing women’s health market. Combining 5 billion CFU probiotics, cranberry extract, and prebiotic fiber, this gummy format provides a convenient alternative to traditional capsules and liquid supplements. As a professional women’s probiotic gummies manufacturer, DUOZI supports global partners with OEM and private label solutions, including formula customization, packaging development, and flexible production services. With sugar-free, vegan-friendly, and Non-GMO positioning, DUOZI helps brands create differentiated probiotic gummy products for women’s wellness markets worldwide.

    20/09/2026
    Gummies
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    Gummies

    Magnesium Gummies Manufacturer | OEM Private Label Magnesium Supplement Supplier

    DUOZI CalmWell Magnesium Gummies are an innovative mineral nutrition supplement designed for the growing global wellness market. Combining high-bioavailability chelated magnesium with prebiotic fiber and multi-strain probiotics, this vegan gummy formula provides brands with a differentiated supplement solution covering digestive wellness, bone & dental nutrition, muscle comfort, and stress management positioning. As a professional OEM magnesium gummies manufacturer, DUOZI supports global partners with private label development, customized formulas, packaging solutions, and reliable gummy production services. With a convenient chewable format and multi-functional nutrition concept, DUOZI helps brands create competitive magnesium supplement products for modern wellness consumers.

    20/09/2026
    Gummies
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    Gummies

    Weight Gain Gummies Manufacturer | OEM Private Label Healthy Weight Supplement Supplier

    DUOZI Weight Gain Gummies are an innovative vegan gummy supplement solution designed for the growing healthy weight management market. Featuring a nutrient-dense calorie matrix combined with digestive enzymes, vitamin B complex, zinc, and natural fruit flavors, this chewable format provides brands with a differentiated alternative to traditional weight gain powders and drinks. As a professional OEM weight gain gummies manufacturer, DUOZI supports global partners with private label solutions, customized formulas, packaging development, and reliable production services. With convenient gummy delivery and modern nutrition positioning, DUOZI helps brands create competitive weight management products for fitness, wellness, and lifestyle markets worldwide.

    19/09/2026
    Gummies
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    Beverages

    Vitamin C Liquid Sachets Manufacturer | OEM Private Label Vitamin C Supplement Supplier

    DUOZI Vitamin C Liquid Sachets are an innovative liquid supplement solution designed for the growing global nutraceutical market. Combining high-potency vitamin C with 24 essential nutrients, electrolytes, antioxidants, and B vitamins, this convenient single-serve format provides brands with a differentiated product opportunity beyond traditional tablets and powders. As a professional OEM vitamin supplement manufacturer, DUOZI offers private label solutions including product development, customized packaging, and reliable production support. With a focus on convenience, clean-label nutrition, and modern wellness trends, DUOZI helps global partners create competitive liquid vitamin products for retail, e-commerce, and international markets.

    21/09/2026
    Beverages
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    Beverages

    Slim Detox Drink Manufacturer | OEM Private Label Weight Management Enzyme Fiber Supplement

    Slim Detox Drink Manufacturer | OEM Private Label Weight Management Enzyme Fiber SupplementThe global weight management and gut health supplement market is rapidly evolving. Consumers are no longer only looking for simple “detox” concepts — they are seeking convenient, science-supported nutrition pr

    19/09/2026
    Beverages
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    Beverages

    Women’s Wellness Drink Manufacturer | OEM Private Label Female Health Supplement Supplier

    DUOZI Femina All-in-One Women’s Drink is an innovative women’s wellness supplement designed for brands targeting the growing female health and beauty nutrition market. Combining beauty support, body confidence positioning, energy management, and daily wellness concepts, Femina provides a comprehensive solution beyond traditional single-function supplements. As an experienced OEM women’s wellness drink manufacturer, DUOZI supports global partners with product development, private label customization, packaging design, and reliable manufacturing services. With integrated R&D, testing, and production capabilities, DUOZI helps brands create competitive women’s health products for international markets.

    19/09/2026
    Beverages
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    Beverages

    Curvy Drink Manufacturer | OEM Private Label Hip Enhancement Supplement Supplier

    DUOZI Curvy Drink is an innovative beauty supplement solution designed for the growing global curve management market. As a professional OEM and private label curvy drink manufacturer, DUOZI helps brands develop customized body shaping supplements with flexible formulation, packaging, and production support. Combining healthy weight gain positioning, beauty nutrition concepts, and modern body confidence trends, DUOZI Curvy Drink provides businesses with a unique opportunity to create differentiated products for international markets. With comprehensive manufacturing capabilities and one-stop OEM services, DUOZI supports global partners from product development to finished product delivery.

    18/09/2026
    Beverages
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    Beverages

    Collagen Drink Manufacturer | OEM Private Label Collagen Beauty Drink Supplier

    Collagen Drink Manufacturer | OEM Private Label Beauty Supplement SupplierThe global beauty supplement market is rapidly growing, and collagen drinks have become one of the most popular formats for modern beauty nutrition brands.DUOZI Health specializes in OEM and private label collagen drink manufa

    18/09/2026
    Beverages
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    Hard Capsules

    Too Stressed to Sleep Try This Ancient Adaptogen

    Rachel, 37, struggled with 3 AM wake‑ups and racing thoughts. Her yoga teacher recommended ashwagandha—an Ayurvedic adaptogen used for thousands of years.

    Active compounds: withanolides, which modulate the HPA axis, influence cortisol, and support GABAergic relaxation.

    Clinical evidence: A 2021 review of 7 studies (491 adults) showed ashwagandha significantly reduced stress, anxiety, insomnia, fatigue, and serum cortisol versus placebo. A 2025 trial found 125mg daily improved perceived stress, anxiety, and sleep quality. In 150 adults with sleep issues, sleep quality improved by 72% vs. 29% for placebo.

    DUOZI Ashwagandha Capsules: 300mg root powder + 5mg BioPerine® for absorption, 60 capsules/bottle, 1 daily. Rachel noticed fewer racing thoughts after six weeks.

    20/09/2026
    Hard Capsules
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    Hard Capsules

    No Surgery, No Knife — Confidence in Your Curves, Naturally

    Sophia, 32, felt insecure about her curves and discovered maca—a Peruvian adaptogenic herb rich in amino acids, minerals, and macamides. Maca supports energy, stamina, mood, and overall balance, indirectly aiding body shaping through improved training performance.

    DUOZI Ultimate Maca Plus delivers 7,500mg proprietary complex per serving (Maca Root, Black Maca, Fenugreek, Tribulus, Aguaje, Tongkat Ali), 15:1 high‑concentration extract, 120 vegetable capsules (40‑day supply). Best results after 2–3 months with regular exercise and balanced diet.

    20/09/2026
    Hard Capsules
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    Beverages

    OEM Collagen Peptide Beauty Drink – Private Label Supplement for Skin Firmness & Hydration

    OEM Collagen Peptide Beauty Drink – Private Label Supplement for Skin Firmness & Hydration Key TakeawaysCollagen peptide beauty drinks are redefining the oral beauty category, combining clinical efficacy with on‑the‑go convenience.DUOZI offers OEM and private label manufacturing of a 30ml × 10 sac

    17/09/2026
    Beverages

    Get in Touch

    If you have any questions or needs about our products or services, please feel free to contact us at any time. We look forward to working with you and providing you with the best solutions.
    DUOZI is a GMP-certified manufacturer specializing in custom supplement formulation and private label production for global brands.

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    CONTACT US

      +86-158-7656-4275
      718, No. 40, Helong 2nd Road, Jiahe Street, Baiyun District, Guangzhou, Guangdong, China
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