189 supplement contract manufacturers have a GMP-certified or licensed facility (NSF/ANSI 455-2, Health Canada or NPA GMP) or an Informed Manufacturer certified facility and say on their own website that they offer contract manufacturing, 132 of them in the United States (top states: California 38, Florida 15, Utah 15). Website claims checked October 16, 2026; certification data checked November 1, 2026.
Looking for a nutraceutical contract manufacturer in the USA? Compare the listings below for supplement contract manufacturing. Use the country and state links to narrow your shortlist.
Every company on this page has at least one manufacturing or packaging facility on a public registry we check (NSF/ANSI 455-2, Health Canada, NPA GMP or Informed Manufacturer), and its own website says it offers contract manufacturing. The certification comes from the registry. The contract manufacturing claim is the company’s own: we record it with a quote from its website and the date we checked, and we have not verified it.
A contract manufacturer makes your product to your specification. Some companies on public registries make only their own brands, so a website that offers contract manufacturing is a useful first filter; confirm in writing that the company takes new clients for your dosage form and order size.
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First 50 of 189
Order: featured, listings with a website, then A–Z.
First 25 of 189 supplement contract manufacturers, in the same order as the list above. Source: the public listings of NSF, Health Canada, the Natural Products Association, Informed Manufacturer and the USDA Organic Integrity Database, last checked November 1, 2026. How we verify
Supplier vs. manufacturer: who does the work?
A supplier may sell an ingredient or finished product without operating the facility that makes it. Ask for the actual manufacturing and packaging sites and put each party’s responsibilities in writing. FDA’s CGMP guidance addresses operations such as manufacturing, packaging, labeling and holding. Match the facility record to the work your order needs, rather than relying on a sales office address.
There is no single shelf life for every supplement. FDA’s dietary supplement CGMP guidance says an expiration date is not required by that rule, but a date used on a label should have supporting data. Ask for stability evidence for your formula in the proposed packaging and storage conditions; a manufacturing date alone does not tell you how long the product will meet its specifications.
Sources checked . General buyer guidance; not a check of any listed company’s process.
Questions buyers ask
How do I choose a nutraceutical contract manufacturer in the USA?+
Start with the USA list, check the exact facility and its certificate scope, and confirm supplement contract manufacturing. Ask for the minimum order, first-run and reorder lead times, testing plan and an itemized quote. Website capabilities are company claims unless a separate registry basis is shown; confirm the proposed work directly.
What is a supplement contract manufacturer?+
A contract manufacturer produces supplements that another company sells under its own brand. Some offer custom formulation and development; others mainly run your formula or offer stock (private label) formulas you can put your label on. Many also handle packaging, labelling and testing.
Do you verify that these companies offer contract manufacturing?+
No. A company is listed here when one of its facilities is on a public registry we check and its own website says it offers contract manufacturing. We keep the quote, the page and the date we checked, and show them on the company’s profile. The registry certification is checked by us; the claim is the company’s own, so confirm it with the manufacturer before you rely on it.
What should I ask for in a quote request?+
Ask for minimum order quantity, lead times, formulation options, testing and certificates of analysis, in writing. In detail: ask about minimum order quantity (MOQ) per SKU, lead time for a first run and for reorders, whether they offer stock formulas or custom formulation, who sources raw materials, what testing they run (identity, potency, microbiological, heavy metals) and whether you receive a certificate of analysis (COA) per batch, and whether they support the label claims you plan to make. Terms vary widely by manufacturer, so compare written answers rather than assumptions.
How do I verify a manufacturer’s GMP certification myself?+
Ask the manufacturer for their current certificate and the exact facility address it covers, then look that facility up on the certifier’s public listing (for NSF/ANSI 455, NSF’s online listings). Certificates apply to specific sites, so make sure the facility that will make your product is the one listed. Each profile here links to the public listing we checked and the date we checked it.
Supplier vs. manufacturer: who does the work?+
A supplier may sell an ingredient or finished product without operating the facility that makes it. Ask for the actual manufacturing and packaging sites and put each party’s responsibilities in writing. FDA’s CGMP guidance addresses operations such as manufacturing, packaging, labeling and holding. Match the facility record to the work your order needs, rather than relying on a sales office address.
How is supplement shelf life established?+
There is no single shelf life for every supplement. FDA’s dietary supplement CGMP guidance says an expiration date is not required by that rule, but a date used on a label should have supporting data. Ask for stability evidence for your formula in the proposed packaging and storage conditions; a manufacturing date alone does not tell you how long the product will meet its specifications.