GMP: Good Manufacturing Practices

Strengthen good manufacturing practices in your organization by understanding GMP guidelines and maximizing today’s technologies.

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What is GMP?

Good Manufacturing Practices or GMP is a system that consists of processes, procedures and documentation that ensures manufacturing products, such as food, cosmetics, and pharmaceutical goods, are consistently produced and controlled according to set quality standards. Implementing GMP can help cut down on losses and waste, avoid recall, seizure, fines and jail time. Overall, it protects both company and consumer from negative food safety events.

GMPs examine and cover every aspect of the manufacturing process to guard against any risks that can be catastrophic for products, such as cross-contamination, adulteration, and mislabeling. Some areas that can influence the safety and quality of products that GMP guideline and regulation address are the following:

  • Quality management
  • Sanitation and hygiene
  • Building and facilities
  • Equipment
  • Raw materials
  • Personnel
  • Validation and qualification
  • Complaints
  • Documentation and recordkeeping
  • Inspections & quality audits

What is the difference between GMP and cGMP?

Good Manufacturing Practices (GMP) and current Good Manufacturing Practices (cGMP) are, in most cases, interchangeable. GMP meaning the basic regulation promulgated by the US Food and Drug Administration (FDA) under the authority of the Federal Food, Drug, and Cosmetic Act to ensure that manufacturers are taking proactive steps to guarantee their products are safe and effective. cGMP, on the other hand, was implemented by the FDA to ensure continuous improvement in the approach of manufacturers to product quality. It implies a constant commitment to the highest available quality standards through the use of up-to-date systems and technologies.

What are the 5 Main Components of Good Manufacturing Practice?

It is paramount to the manufacturing industry to regulate GMP in the workplace to ensure consistent quality and safety of products. Focusing on the following 5 P’s of GMP helps comply with strict standards throughout the entire production process.

The 5 P

  1. People
    All employees are expected to strictly adhere to manufacturing processes and regulations. A current GMP training must be undertaken by all employees to fully understand their roles and responsibilities. Assessing their performance helps boost their productivity, efficiency, and competency.
  2. Products
    All products must undergo constant testing, comparison, and quality assurance before distributing to consumers. Manufacturers should ensure that primary materials including raw products and other components have clear specifications at every phase of production. The standard method must be observed for packing, testing, and allocating sample products.
  3. Processes
    Processes should be properly documented, clear, consistent, and distributed to all employees. Regular evaluation should be conducted to ensure all employees are complying with the current processes and are meeting the required standards of the organization.
  4. Procedures
    A procedure is a set of guidelines for undertaking a critical process or part of a process to achieve a consistent result. It must be laid out to all employees and followed consistently. Any deviation from the standard procedure should be reported immediately and investigated.
  5. Premises
    Premises should promote cleanliness at all times to avoid cross-contamination, accidents, or even fatalities. All equipment should be placed or stored properly and calibrated regularly to ensure they are fit for the purpose of producing consistent results to prevent the risk of equipment failure.

What are the 10 Principles of GMP?

  1. Create Standard Operating Procedures (SOPs) 
  2. Enforce / Implement SOPs and work instructions
  3. Document procedures and processes
  4. Validate the effectiveness of SOPs
  5. Design and use working systems
  6. Maintain systems, facilities, and equipment
  7. Develop job competence of workers
  8. Prevent contamination through cleanliness
  9. Prioritize quality and integrate into workflow
  10. Conduct GMP audits regularly

Further information can be found at this PDF Guide to GMP: Good Manufacturing Practices.


GMP regulations are mandated by manufacturers’ respective national governments to regulate the production, verification, and validation of manufactured products and ensure that they are effective and safe for market distribution.

For example, in the United States, GMP is enforced by the US FDA through Current Good Manufacturing Practices (CGMP) which cover a broader range of industries such as cosmetics, food, medical devices, and prescription drugs. The FDA conducts facility inspections to assess if a manufacturing company complies with CGMP regulations. If any serious violations are found during the inspection, FDA recalls all products, which is problematic for manufacturers in terms of both profit and business operations.

The quality of manufactured products is highly regulated as it can pose negative health risks to consumers and even the environment. Poor hygiene, temperature-control, cross-contamination, and adulteration in any step of the manufacturing process are some examples of how a manufactured product that doesn’t follow GMP regulations can bring fatal consequences to consumers. See GMP regulation and preamble sources by country here.


GMP standards are developed to enhance the safety of manufactured products, especially pharmaceutical goods, and to ensure consumers get the highest quality possible. Adherence to GMP standards not only positively impacts the reputation of manufacturing companies but also reduces batch recalls and negative reports from consumers. Below are 4 measures you can follow to uphold GMP standards:

  1. Quality team
    Have a team of skilled workers that will focus on improving current manufacturing procedures and complying with GMP. Members will perform quality assessments on operations to identify problems and develop appropriate corrective measures. Part of the team’s responsibility will also be performing scheduled monitoring of instruments, equipment, processes, and staff skills.
  2. Validation
    Validation is the documented act of demonstrating instruments, processes, and activities that are regularly used or done. This is done to check if they function according to expectations. GMP can involve a number of things to be validated, but it’s good to focus on the following processes:

  3. Surprise Audits
    A surprise audit every now and then can help gain a more accurate insight into what goes on in the facility. Identify real root causes of non-compliance and take action before it progresses into a larger issue. Read more about best practices in doing GMP audits.
  4. Compliance Training
    Providing compliance training to staff is the best way to ensure compliance with GMP standards. Help staff gain a better understanding of GMP and continually improve operations or systems in place to ensure standards are GMP-compliant. All employees should receive training on recordkeeping, sanitation, proper equipment handling, and labeling, and SOPs to minimize errors and maintain compliance.

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Guidelines and Basic Concepts

GMP guidelines are a set of principles that help manufacturers implement an effective manufacturing process and ensure that quality is built into the organization and the processes involved. GMP guidelines are customarily flexible, with countries having their own legislation to comply with local GMP guidelines and principles. But almost all regulations are derived from the basic concept and guidelines which are:

Quality management

The principle of quality management is to ensure that manufactured products are fit for their intended use, comply with requirements and does not place consumers at risk due to inadequate safety, quality, or efficacy measures. To achieve this quality objective, quality assurance, good manufacturing practices, quality control, and quality risk management should be comprehensively and correctly implemented.

Quality assurance
The system of quality assurance aims to ensure that manufactured products are designed and developed in a way that meets the requirements for Good Manufacturing Practice.

Good Manufacturing Practice for Products
As a part of quality assurance, good manufacturing practice is concerned with production and quality control. It aims to mitigate the risks that are inherent in the production process. Its basic requirements according to WHO’s Good Manufacturing Practices for Pharmaceuticals state the following:

  • All manufacturing processes are clearly defined, systematically reviewed in the light of experience, and shown to be capable of consistently manufacturing medicinal products of the required quality and complying with their specifications and/or marketing authorization;
  • Critical steps of manufacturing processes and significant changes to the process are validated;
  • All necessary facilities for GMP are provided including i. appropriately qualified and trained personnel; ii. adequate premises and space; iii. suitable equipment and services; iv. correct materials, containers, and labels; v. approved procedures and instructions;
  • Instructions and procedures are written in an instructional form in clear and unambiguous language, specifically applicable to the facilities provided;
  • Operators are trained to carry out procedures correctly;
  • Records are made, manually and/or by recording instruments, during manufacture which demonstrate that all the steps required by the defined procedures and instructions were in fact taken and that the quantity and quality of the product were as expected. Any significant deviations are fully recorded and investigated;
  • Records of manufacture including distribution which enable the complete history of a batch to be traced are retained in a comprehensible and accessible form;
  • The distribution (wholesaling) of the products minimizes any risk to their quality;
  • A system is available to recall any batch of product, from sale or supply;
  • Complaints about marketed products are examined, the causes of quality defects investigated and appropriate measures are taken in respect of the defective products and to prevent re-occurrence

Quality control
Quality control is a part of Good Manufacturing Practice that focuses on sampling, specification, and testing. It checks the organization, documentation, and release procedures to ensure that products go through the required tests before being released for sale or supply.

Quality risk management
Quality risk management is a systematic process of assessing risks that can affect the quality of the product. According to its principles, quality risk management should ensure that:

  • The evaluation of the risk to quality is based on scientific knowledge, experience with the process and ultimately links to the protection of the patient and users;
  • The level of effort, formality, and documentation of the quality risk management process is commensurate with the level of risk. c) The general quality risk management process and integration into the product quality can be referred to in ICHQ9.

Sanitation and hygiene

Sanitation and hygiene are vital in every aspect of the manufacturing process. It covers anything that can cause contamination such as personnel, the premises, equipment, containers, and production materials. All potential sources of contamination should be identified and eliminated with a comprehensive sanitation and hygiene program.

Building and facilities/premises

As a principle, the premises should be situated in an environment that is suitable for its operations and one that is free from risks of contamination of materials and products. The premises should also be designed to minimize errors in operations and should be easy to clean and maintain.


Same with the premises, equipment should be designed, located, and maintained to function according to its intended use. Additionally, it should be cleaned and stored according to procedures. In the event of a defect or malfunction, it should be removed or labeled as defective.

Raw materials

All materials used for production should be stored properly according to the appropriate conditions which are set by the manufacturers. There should be a proper stock management system implemented to ensure that all incoming materials are correct and of high quality.


The success of GMP compliance heavily relies on the people implementing it. For this reason, it is vital that all personnel are qualified and trained to do the job. They should be aware of the principles of GMP and receive continued training, hygiene instructions, and other tools relevant to their needs. Respective managers should be clear on job descriptions for each worker to avoid misunderstandings and reduce the risk of issues like overlapping responsibilities.

Validation and qualification

Qualify systems, premises, and equipment if they are fit/ready for their intended use and validate if processes and procedures can repeatedly produce high-quality products. Critical steps in the manufacturing process should be verified to ensure that product quality is consistent and maintained at a high level. According to the WHO (World Health Organization), qualification and validation should establish and provide documentation stating that:

  • the premises, supporting utilities, equipment, and processes have been designed in accordance with the requirements for GMP (design qualification or DQ)
  • the premises, supporting utilities, and equipment have been built and installed in compliance with their design specifications (installation qualification or IQ);
  • the premises, supporting utilities, and equipment operate in accordance with their design specifications (operational qualification or OQ); and a specific process will consistently produce a product meeting its predetermined specifications and quality attributes (process validation or PV, also called performance qualification or PQ)


Handling complaints is also part of GMP, therefore all manufacturing companies should have a well-designed GMP complaint system. Ideal complaint handling should have a ready solution to provide for all contingencies.

Documentation and recordkeeping

Good documentation and record keeping are an essential part of the quality assurance system and are required in compliance with GMP requirements. Accurate recordkeeping can help managers and supervisors keep track of the historical record of manufacturing procedures and corrective measures implemented. Below are general requirements for documentation:

  • Documents must be designed, prepared, reviewed, and distributed with care.
  • Documents should be clear and legible.
  • Documents must be approved, signed, and dated by appropriate and authorized personnel.
  • Documents must have unambiguous contents such as title, nature, and purpose.
  • Documents must be regularly reviewed and updated.
  • Documents must not be handwritten.
  • Any corrections made to a document or record must be signed or initialed and dated. The reason for the correction should also be recorded (where appropriate).
  • Record each action taken for traceable activities such as manufacturing and control of products.

Inspections & quality audits

Inspections should be regularly performed to monitor if GMP is implemented and complied with. Document what areas need more work and provide corrective measures for continuous improvement. Quality audits are done to assess the quality systems implemented by the manufacturing company. GMP audit checklists can help companies comply with GMP guidelines set by regulatory authorities. By performing site visual walkthroughs and conducting manufacturing evaluations, you can identify non-compliant processes and take immediate action to address areas for improvement.

How to Comply with Guidelines

GMP guidelines and regulations address different issues that can influence the safety and quality of a product. Meeting GMP or cGMP standards helps the organization comply with legislative orders, increase the quality of their products, improve customer satisfaction, increase sales, and earn a profitable return of investment.

Conducting GMP audits play a big part in assessing the compliance of the organization to manufacturing protocols and guidelines. Performing regular checks can minimize the risk of adulteration and misbrand. A GMP audit helps improve the overall performance of different systems including the following:

  • Building and facilities
  • Materials management
  • Quality control systems
  • Manufacturing
  • Packaging and identification labeling
  • Quality management systems
  • Personnel and GMP training
  • Purchasing
  • Customer service

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Ensure consistency in quality and safety with GMP training

Good Manufacturing Processes, or GMP, make sure that products are controlled in quantity and produced in such a way that meets quality standards. GMP involves many factors such as hygiene, environmental conditions, and more. Through this process, any flaws or anomalies can already be identified earlier on which wouldn’t be detected when the final product is tested or already out in the market. By making sure that your products go through GMP, you’ll have high-quality end products that are safe for use or consumption which, in turn, will give better customer satisfaction and yield higher revenue.

We’ve curated a list of GMP training courses that will guide your employees in following GMP standards so they can be proactive in minimizing risks in all aspects of manufacturing products such as food, cosmetics, and pharmaceutical goods. These courses cover topics such as good manufacturing practices, quality control, risk management, and many more.

Compliance and Your Organization

GMP compliance is crucial in the manufacturing industry. Providing quality-assured products can secure the health and safety of the public. Robust processes and easy-to-use systems that enforce and monitor standards can strengthen GMP compliance in your organization. With technological advances in the industry, food manufacturers have more opportunities to transform reactive company culture, into a proactive, predictive workforce equipped for continuous improvement. Utilize digital tools such as SafetyCulture (formerly iAuditor), a mobile inspection app and GMP software, and sensors to move your GMP beyond compliance. With SafetyCulture you can:

  • create, customize, and use mobile-ready GMP audit checklists anytime, anywhere;
  • attach photos and make annotations within the app;
  • set and notify scheduled GMP audits;
  • integrate existing software systems; and
  • save all GMP documents securely on a cloud.

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FAQs About GMP

Some of the GMP requirements to be able to produce quality and safe products include policies such as: 

  • maintaining appropriate manufacturing conditions, like temperature and humidity control;
  • ensuring proper hygiene and sanitation;
  • having qualified personnel with adequate training;
  • keeping records accurate and complete; and
  • performing regular equipment calibration and maintenance.

The main difference between GMP and ISO (International Organization for Standardization) is the industry and their area of focus. GMP focuses on ensuring the safety and efficacy of products in regulated industries such as pharmaceuticals, medical devices, and food. ISO, on the other hand, involves establishing and maintaining a QMS that meets customer and regulatory requirements across a range of industries.

The 5Ps of GMP are the key elements to consider when implementing effective guidelines for your business. These 5Ps compose of the following:

  • People – Properly training all the personnel involved in manufacturing, testing, and quality control of products is a must.
  • Premises – Manufacturing and storage facilities should adhere to pre-determined conditions.
  • Processes – The manufacturing steps must be well-defined, validated, and controlled to ensure consistent quality of the product
  • Products – Raw materials and final products should be formulated, tested, and labeled to ensure that they meet the required specifications, are safe, and effective for their intended use.
  • Procedures – All manufacturing procedures must be followed and well-documented to provide consistent quality and compliance with regulatory requirements.

Yes, the FDA regulates GMP in the United States. The FDA enforces GMP requirements by inspecting manufacturing facilities to ensure that they adhere to the set guidelines and are compliant with safety practices.

Jona Tarlengco
Article by
Jona Tarlengco
Jona Tarlengco is a content writer and researcher for SafetyCulture since 2018. She usually writes about safety and quality topics, contributing to the creation of well-researched articles. Her 5-year experience in one of the world’s leading business news organisations helps enrich the quality of the information in her work.