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21 CFR Part 111 Compliance Checklist

Dietary Supplement GMP: A Practical Self-Assessment for Manufacturers

Prepared by Jared Clark, CPGP, PMP, CMQ-OE

How to Use This Checklist

This checklist maps to the requirements of 21 CFR Part 111 — the FDA's Current Good Manufacturing Practice (cGMP) regulations for dietary supplements. Use it to:

Self-assess your facility before an FDA inspection
Identify gaps in your quality system
Prioritize corrective actions
Train new quality staff on regulatory requirements

Rate each item: ✓ Compliant | ✗ Gap Found | N/A Not Applicable

A gap is any requirement you cannot demonstrate with written procedures, records, or observable practice.

Facility Assessment Summary

Facility Name
Assessment Date
Completed By
1

Quality Management System (§111.10–111.35)

1.1 Quality Control Personnel

  • A qualified individual has been designated as responsible for quality control operations
  • QC personnel are independent from production operations (or have independent authority)
  • QC personnel authority to reject batches, in-process materials, and released products is documented
  • Qualifications of QC personnel are documented (education, training, experience)

1.2 Written Procedures

  • Written procedures exist for every operation covered by Part 111
  • Procedures are approved, dated, and version-controlled
  • Obsolete procedures are removed from points of use
  • Procedures are reviewed at defined intervals (typically annually)

1.3 Corrective Action and Preventive Action (CAPA)

  • A written CAPA procedure exists
  • CAPAs are initiated for all out-of-specification results, complaints, and deviations
  • Root cause analysis is performed and documented
  • CAPA effectiveness is verified and documented
  • Trend analysis is conducted across CAPA data
2

Personnel and Training (§111.10–111.13)

2.1 Qualifications

  • All personnel have the education, training, or experience to perform their assigned duties
  • Job descriptions are written and current for all quality and production roles
  • Personnel with illness or open lesions that could contaminate products are excluded from production areas

2.2 Training Program

  • A written training program exists covering cGMP requirements
  • Initial training is completed before personnel work independently
  • Ongoing/annual training is conducted and documented
  • Training records are maintained (name, date, topic, trainer, assessment results)
  • Training effectiveness is evaluated
  • Training covers: personal hygiene, cross-contamination prevention, pest control awareness

2.3 Personal Hygiene

  • Written personal hygiene procedures are in place
  • Hair restraints, gloves, and appropriate clothing requirements are defined and enforced
  • No eating, drinking, or tobacco use in production areas
  • Handwashing stations are accessible and personnel are trained
3

Physical Plant and Grounds (§111.15–111.20)

3.1 Building Design and Maintenance

  • Facility is of suitable size, construction, and design to facilitate cleaning and maintenance
  • Floors, walls, and ceilings are smooth, easily cleanable, and in good repair
  • Lighting is adequate in all work areas
  • Ventilation controls dust, odors, and vapor
  • Temperature and humidity controls are appropriate for products manufactured

3.2 Sanitation

  • Written sanitation and cleaning SOPs exist for all equipment and surfaces
  • Sanitation schedules are defined and followed
  • Cleaning logs are maintained with date, areas cleaned, personnel, and cleaning agents used
  • Cleaning agents and sanitizers are appropriate for use in food/supplement facilities
  • Pest control program is in place (internal or contracted)
  • Pest control records are maintained

3.3 Plumbing, Sewage, and Water

  • Water used in manufacturing meets drinking water standards (potable)
  • Water quality is tested and documented at defined intervals
  • Plumbing is designed to prevent backflow or contamination
  • Sewage and waste disposal does not create a sanitation hazard
4

Equipment and Utensils (§111.25–111.30)

4.1 Equipment Design and Materials

  • Equipment is of appropriate design, size, and material for its intended use
  • Contact surfaces are smooth, non-absorbent, and non-reactive with ingredients
  • Equipment is corrosion-resistant where applicable
  • Equipment can be adequately cleaned and sanitized

4.2 Equipment Qualification and Calibration

  • Equipment is qualified (IQ/OQ/PQ or equivalent) before use
  • Calibration program exists for all measuring and weighing equipment
  • Calibration is traceable to NIST standards
  • Calibration records include: instrument ID, calibration date, next due date, results, and technician
  • Out-of-tolerance instruments are identified and corrective action is taken

4.3 Equipment Maintenance

  • Preventive maintenance (PM) schedules are written for all critical equipment
  • PM records are maintained
  • Lubrication is food-grade where equipment contacts product
  • Equipment ID numbers are assigned for traceability
5

Production and Process Controls (§111.55–111.83)

5.1 Master Manufacturing Records (MMR)

  • A Master Manufacturing Record exists for every finished product
  • MMR includes: product name, description, identity of ingredients, weight/measure of each ingredient
  • MMR specifies processing instructions with critical parameters
  • MMR identifies equipment to be used
  • MMR includes in-process controls and acceptance criteria
  • MMR includes final product specifications
  • MMR includes label and packaging specifications
  • MMR is reviewed and approved by qualified personnel

5.2 Batch Production Records (BPR)

  • A Batch Production Record is created for each batch manufactured
  • BPR is based on the MMR — a copy or replica, not a blank form
  • BPR documents actual weights, measurements, and observations at each step
  • Equipment used and lot numbers of all components are recorded
  • In-process test results are recorded in the BPR
  • BPR is reviewed and approved before batch release
  • BPR is retained for 1 year after product expiry date (or if no expiry, 2 years after distribution)

5.3 Yield Reconciliation

  • Actual yield is calculated for each batch
  • Actual yield is compared to theoretical yield
  • Yield deviations beyond pre-defined limits trigger investigation

5.4 In-Process Controls

  • Critical in-process parameters are identified and monitored
  • Acceptance criteria for in-process tests are documented in the MMR
  • Out-of-specification in-process results trigger investigation and documented disposition
6

Component and Ingredient Controls (§111.70–111.80)

6.1 Receiving

  • Written receiving procedures exist
  • All incoming components, packaging, and labels are examined upon receipt
  • Lots are quarantined until tested or examined and released by QC
  • Records are maintained for each lot received (supplier, lot number, date, quantity, COA)

6.2 Supplier Qualification

  • Approved supplier list is maintained
  • Supplier qualification program exists (audit, questionnaire, or COA-based)
  • Suppliers are evaluated at defined intervals
  • Changes in suppliers trigger re-qualification

6.3 Identity Testing ⚠ Most Common Warning Letter Violation

  • 100% of incoming ingredient lots are identity-tested before use
  • Identity testing methods are validated or verified as appropriate
  • Identity test records include: ingredient name, lot, method, result, analyst, date

6.4 Established Component Specifications

  • Written specifications exist for every raw material, packaging, and label component
  • Specifications include: identity, purity, strength, and composition limits
  • Components that do not meet specifications are rejected and segregated
7

Laboratory Controls (§111.310–111.375)

7.1 Laboratory Operations

  • Laboratory personnel are qualified
  • Written testing methods exist for all finished product specifications
  • Test methods are verified or validated for their intended use
  • Reference standards are tracked with certificates of analysis

7.2 Out-of-Specification (OOS) Investigations

  • Written OOS investigation procedure exists
  • All OOS results trigger a formal investigation
  • Phase 1 (lab error) and Phase 2 (manufacturing investigation) are conducted as appropriate
  • OOS investigations are completed before lot disposition

7.3 Reserve Samples

  • Reserve samples are retained for each finished product lot
  • Reserve samples are stored under conditions consistent with product label
  • Reserve samples are retained for 1 year after expiry date (or 2 years after distribution if no expiry)
  • Reserve sample quantities are sufficient for 2 full quality control tests
8

Finished Product Specifications and Testing (§111.70)

8.1 Product Specifications

  • Written specifications exist for every finished product
  • Specifications address: identity, purity, strength, and composition
  • Specifications include physical attributes (appearance, color, odor)
  • Specifications include limits for contaminants where applicable (heavy metals, microbial, pesticides)

8.2 Product Release

  • Every finished product lot is tested against specifications before release
  • QC personnel review and approve batch records before release
  • Certificate of Analysis (COA) is generated for each released lot
  • Release records include: product, lot, date, test results, disposition, and approver
9

Holding and Distribution (§111.385–111.455)

  • Products are stored under conditions that protect against contamination and degradation
  • Temperature-sensitive products are stored in controlled-temperature areas with monitoring
  • Temperature monitoring records are maintained
  • Stock rotation (FIFO) is practiced and documented
  • Distribution records are maintained for each finished product lot
  • Records include: product name, lot number, date shipped, quantity, and customer
  • Records support a complete recall by lot number
10

Consumer Complaint Handling (§111.570)

  • Written complaint handling procedure exists
  • All complaints are received, logged, and evaluated
  • Complaints involving serious adverse events are investigated promptly
  • Complaints are reviewed for trends
  • CAPA is initiated for complaint trends or serious events
  • Complaint records are retained and available for FDA review
11

Record Retention and Access (§111.605)

  • Written records are kept as originals or true copies
  • Records are legible, accurate, and dated at time of entry
  • Errors in records are crossed out (not erased), corrected, initialed, and dated
  • Electronic records comply with 21 CFR Part 11 if applicable
  • Records are protected from alteration, destruction, or unauthorized access
  • All required records are retained for minimum required periods (typically 1–2 years)
  • Records are made available to FDA upon request

Scoring Your Results

Count your gaps (items you cannot demonstrate compliance with):

Gap CountRisk LevelRecommended Action
0–5LowMinor refinements; schedule annual re-assessment
6–15ModerateDevelop a gap closure plan; target 90-day remediation
16–30ElevatedPriority corrective action plan; consider external support
31+HighImmediate remediation required; external consultant recommended
Total Items Checked (Compliant)
___
Total Gaps Found
___

⚠ FDA Priority Areas: Most Common Warning Letter Violations

If you have gaps in any of these areas, address them first:

  1. 1. Identity testing not performed on every incoming ingredient lot (§111.75(a))
  2. 2. No established specifications for components or finished products (§111.70)
  3. 3. Master Manufacturing Records incomplete or not following required format (§111.205)
  4. 4. CAPA system absent or ineffective — no root cause analysis (§111.103)
  5. 5. OOS results not investigated before lot disposition (§111.320(b))
  6. 6. Reserve samples not retained or inadequate quantity (§111.83)
  7. 7. Batch Production Records not reviewed before release (§111.255)
  8. 8. Pest control inadequate or not documented (§111.20)

Found Gaps in Your Quality System?

I offer a free 30-minute gap assessment call for dietary supplement companies that complete this checklist. We'll review your highest-risk gaps and discuss the fastest path to remediation.

Schedule a Free Assessment Call

Jared Clark, CPGP, PMP, CMQ-OE | Certify Consulting Group | thegmpconsultant.com | 858-240-4353

This checklist is for educational purposes and does not constitute legal or regulatory advice. Consult the full text of 21 CFR Part 111 and applicable FDA guidance for complete requirements. © 2026 Certify Consulting Group.