NexoNutra

10 questions to ask a supplement manufacturer before you sign

Choosing a contract manufacturer is one of the biggest decisions a supplement brand makes. These questions help you compare manufacturers on facts, whoever you end up working with.

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1. Which quality certifications do you hold, and who issued them?

   Why it matters. In the United States, supplement manufacturers must follow the FDA's good manufacturing practice rules (21 CFR Part 111). A GMP certificate from an independent auditor shows that someone checked.

   A good answer. They send the certificate, with the auditor's name and a current date.

2. Is your facility registered with the FDA?

   Why it matters. Facilities that make supplements must register with the FDA. Registration is not approval: the FDA does not approve supplements or factories.

   A good answer. They say “registered”. Be careful with anyone who says “FDA approved”.

3. What is the minimum order, and how does the price change with quantity?

   Why it matters. The minimum decides how much cash your first order ties up.

   A good answer. A clear minimum, and prices at two or three quantities.

4. How long does it take from an approved formula to finished product?

   Why it matters. Stock-outs and late launches cost sales.

   A good answer. A realistic time frame, and what can delay it: ingredients, packaging or testing.

5. Who owns the formula?

   Why it matters. With a custom formula, you want the right to take it elsewhere. Ready-made formulas usually belong to the manufacturer.

   A good answer. Ownership is written in the agreement.

6. What do you test, and do I get a Certificate of Analysis for each batch?

   Why it matters. Testing confirms the product contains what the label says and is free of contaminants.

   A good answer. Tests for identity, potency, microbes and heavy metals, with a certificate for every batch.

7. Can you make my format and my packaging?

   Why it matters. Not every manufacturer makes every format: capsules, tablets, powders, gummies or liquids, in bottles, sachets or pouches.

   A good answer. They already make your format and can send samples.

8. Will you sign a confidentiality agreement?

   Why it matters. Your formula and your sales numbers are your business.

   A good answer. Yes, before you share the details.

9. What do you need from me, and what do you take care of?

   Why it matters. Ingredients, packaging, label design and label review can be yours or theirs. Gaps here cause delays.

   A good answer. A written list of who does what.

10. What happens if a batch has a problem?

    Why it matters. Problems are rare, but you need to know the answer before one happens.

    A good answer. A clear policy for rework or replacement, and retained samples of every batch.

If you sell outside the United States, also ask which export documents they provide (for example, a Certificate of Free Sale) and who handles the product registration in your country. Usually that is the brand.

This is general information to help you compare manufacturers. It is not legal or regulatory advice.