Supplement Manufacturing USA

Supplement Manufacturing USA – Private Label & Contract Manufacturing for US Brands

Welsdom is a Health Canada-licensed, GMP-certified supplement manufacturer serving US brands across all 50 states. From capsules and softgels to powders, gummies, and liquid supplements, we offer full-service private label, OEM, and contract manufacturing with the quality, compliance, and transparency that US supplement brands demand.

Supplement Manufacturing Services for US Brands

Private Label Supplements USA

Get to market fast with our library of proven supplement formulas. Choose your product, customize your label, and start selling. Our private label supplement catalog includes hundreds of SKUs across vitamins, minerals, herbs, sports nutrition, weight management, and specialty health categories — all ready for FDA-compliant US labeling.

Custom Supplement Formulation

Create a proprietary supplement formula that sets your US brand apart. Our formulation scientists work with you to develop custom blends based on your efficacy targets, ingredient sourcing preferences, flavor profiles, and regulatory requirements. We handle stability testing, third-party verification, and all documentation for FDA DSHEA compliance.

Contract Supplement Manufacturing

Have your own formula? We produce it to your specifications in our GMP-certified facility. Welsdom offers contract manufacturing for US brands at all stages — from startup runs of 500 units to large-scale production orders. We provide full batch records, COAs, and microbiological testing on every production run.

Supplement Formats We Manufacture

  • Capsules – Vegetarian, gelatin, and delayed-release; sizes 000 through 4
  • Tablets – Compressed, chewable, and coated tablets
  • Softgels – Ideal for oil-based supplements like omega-3, vitamin D, and CBD
  • Powders – Stick packs, bulk powder, protein blends, and greens powders
  • Gummies – Pectin-based and gelatin gummies in multiple flavors and shapes
  • Liquids – Tinctures, liquid vitamins, and functional shots

Supplement Categories We Produce for the US Market

  • Sports Nutrition – Pre-workout, post-workout, protein, creatine, BCAAs, and fat burners
  • Weight Management – Appetite support, metabolism, fat-burning, and detox formulas
  • Men’s & Women’s Health – Hormonal support, fertility, vitality, and condition-specific blends
  • Senior Health – Joint support, cognitive health, bone density, and cardiovascular wellness
  • Immunity & Wellness – Vitamin C, zinc, elderberry, vitamin D, adaptogen blends
  • Gut Health – Probiotics, prebiotics, digestive enzymes, and fiber supplements
  • Sleep & Stress – Melatonin, magnesium, ashwagandha, and calming blends
  • Children’s Supplements – Gummy vitamins, chewables, and child-safe formulas

FDA DSHEA Compliance for US Supplement Brands

Supplements sold in the United States are regulated under the Dietary Supplement Health and Education Act (DSHEA). Our manufacturing processes comply with FDA 21 CFR Part 111 Current Good Manufacturing Practice (cGMP) regulations, which govern the manufacturing, packaging, labeling, and holding of dietary supplements. Every batch includes a Certificate of Analysis, full ingredient traceability, and compliant label review for the US market.

Why US Supplement Brands Choose Welsdom

  • cGMP Certified – Production processes exceed FDA 21 CFR Part 111 requirements
  • Third-Party Tested – Independent lab verification for identity, purity, and potency
  • Low MOQ – Minimums starting at 500 units for most supplement formats
  • Ingredient Sourcing – We source premium, standardized raw materials from vetted global suppliers
  • Full-Service – Formulation, production, testing, labeling, and fulfillment all under one roof
  • Fast US Shipping – Cross-border logistics optimized for US supplement brands

US Supplement Markets We Serve

We partner with supplement brands in California, Texas, New York, Florida, Arizona, Nevada, Colorado, Illinois, and across all 50 states. From Amazon FBA sellers and Shopify DTC brands to brick-and-mortar retail and MLM/network marketing companies, we manufacture supplements for every US sales channel.

Amazon FBA Supplement Manufacturing

We specialize in manufacturing supplements for Amazon FBA sellers. Our products are packaged to Amazon’s ASIN requirements, with compliant labeling, safe shipping configurations, and direct delivery to Amazon fulfillment centers across the US. Learn more about our Amazon FBA prep and fulfillment services.

Get a Free Supplement Manufacturing Quote

Ready to launch or scale your supplement brand in the United States? Contact Welsdom today for a free consultation and custom manufacturing quote. We’ll walk you through formulation options, production timelines, and pricing — with no obligation. You can also explore our human supplement OEM manufacturing page, learn about our custom formulation services, or browse our supplement blog for industry insights.

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