Customer and Third-Party Audit Readiness

Could your plant pass its next outside audit today?

Amazon, Costco, Walmart and Sam's Club now set the bar higher than FDA, and their auditors don't always call ahead. 17 checkpoints, about 10 minutes. Answer Yes only for what's true today.

Amazon now requires an accredited third-party cGMP audit behind every supplement it sells
Unannounced Costco's standard GMP audit, with 24 hours to report a failure
47.6% of U.S. supplement plants FDA inspected in FY2025 were cited
1 / 6

Ownership

One person keeps every audit on the calendar.

  1. 1.
    One owner runs the audit calendar for every customer and retailer With authority to pull people and budget when a finding needs fixing. Each audit's scheme, renewal date and whether it's announced are on it.
  2. 2.
    You know each customer's deadline after a failed audit Costco gives suppliers 24 hours to notify their coordinator and expects a re-audit within 60 days.
2 / 6

Records made during the run

The record is written when the work happens, not at end of shift.

  1. 3.
    In-process checks are timestamped when they're done, and missed ones get flagged that shift A missing time on a metal detector check was cited in an August 2026 FDA warning letter.
  2. 4.
    Materials, labels, lot codes and best-by dates are verified before the run starts And rechecked on a set interval during the run.
  3. 5.
    Batch records are complete when the run ends Including actual yields. Incomplete batch records are one of the most common FDA findings.
  4. 6.
    Every sign-off traces to a qualified person and a time Auditors check who signed, not just that someone did.
3 / 6

Evidence on demand

An unannounced visit is a retrieval job, not a scramble.

  1. 7.
    You can pull a lot's full history in under an hour Checks, materials, sign-offs and deviations together.
  2. 8.
    Each top customer has an evidence pack, refreshed monthly Built from what their auditor asked for last time.
  3. 9.
    Sanitation, allergen changeover and training records are current On file by line and by person, including new hires and temps.
  4. 10.
    Supplier approvals and certificates are current With expiration dates tracked before they lapse.
4 / 6

Corrective actions

Findings get fixed, and you can prove the fix held.

  1. 11.
    Every finding goes into one CAPA log with an owner, root cause and fix Customer audits, internal audits and FDA visits in the same place.
  2. 12.
    Fixes are verified with data before they're closed, and none are past due Calibrating or retraining alone isn't a root cause fix.
5 / 6

Practice

You've rehearsed against the checklist that matters most.

  1. 13.
    A mock audit runs quarterly against your biggest customer's checklist Findings go into the CAPA log, and program owners practice explaining their work to an auditor.
6 / 6

Retailer and marketplace audits

Set by each retailer: who audits, how compliance is tracked, and certificate or category exceptions.

  1. 14.
    Every plant making product for Walmart or Sam's Club has a current approved audit Required even when the brand doesn't own the plant. A lapse can deactivate the vendor number.
  2. 15.
    The facility has an accredited third-party cGMP audit for Amazon From an Amazon-approved company such as NSF, UL, SGS or Eurofins. FDA inspections and first-party audits don't count.
  3. 16.
    Certificate copies are ready for every brand you make product for Brands need your facility's audit to keep their retail and Amazon listings.
  4. 17.
    Brands in higher-risk categories know about extra product testing On Amazon, sports nutrition, weight management and joint health products must also meet NSF/ANSI 173.

Prefer to talk now? Email sales@essembi.com or book a demo.

Where Essembi fits

Every floor checkpoint on this list runs in Essembi.

Sections 1 to 5 run in Essembi. Section 6 depends on each retailer's rules and your internal process.

  • In-process checks on a tablet at the line, timestamped when they're done and flagged when they're late
  • Materials scanned against the job, plus label, lot and best-by checks before the run starts
  • Electronic sign-offs and a digital batch record that builds during the run and ties back to your ERP
  • One CAPA log for customer, internal and FDA findings, with an owner, root cause and verification for each
  • Training records, supplier certificates and the audit calendar, including certification renewals, in the same system
  • Custom forms, so you can run a mock audit against your biggest customer's own checklist

See a batch record fill in during a run. 2 minutes, no call needed.

See it in 2 minutes

Sources: Epstein Becker Green (Jan 2026); Food Industry Executive (Oct 2026); ConsumerLab (Sep 2026, from FDA data). Walmart requires an annual approved audit for any plant making its products and doesn't accept FDA inspections in its place. Check Amazon's current Seller Central policy for the latest requirements.

This checklist is general guidance for audit readiness. It isn't legal or regulatory advice, and your customers' own checklists and certification schemes take priority.

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