What is Good Manufacturing Practices?

Good Manufacturing Practices (GMP) are practices that include quality control and diagnostics of foods, pharmaceutical products, and medical devices. Good Manufacturing Practices outline the aspects of production and testing that can impact the quality of a product.

Safeguarding The Health Of The Patient

Many countries have legislated that pharmaceutical and medical device companies must follow GMP procedures; and, as a result, some countries have created their own GMP guidelines to correspond with their legislation.

Basic concepts of all of these guidelines remain more or less similar to the ultimate goals of safeguarding the health of the patient as well as producing good quality medicine, medical devices or active pharmaceutical products.

In the United States, a drug may be deemed adulterated (poor quality) if it passes all of the specifications tests but is found to be manufactured in a condition which violates current good manufacturing guidelines. Therefore, complying with GMP is a mandatory aspect in pharmaceutical manufacturing.

10 Manufacturing Guidelines & Principles

Although there are a number of them, all guidelines follow a few basic principles.

  • Manufacturing processes are clearly defined and controlled. All critical processes are validated to ensure consistency and compliance with specifications.
  • Manufacturing processes are controlled, and any changes to the process are evaluated. Changes that have an impact on the quality of the drug are validated as necessary.
  • Instructions and procedures are written in clear and unambiguous language.
  • Operators are trained to carry out and document procedures.
  • Records are made, manually or by instruments, during manufacture that demonstrate that all the steps required by the defined procedures and instructions were in fact taken and that the quantity and quality of the drug was as expected. Deviations are investigated and documented.
  • Records of manufacture (including distribution) that enable the complete history of a batch to be traced are retained in a comprehensible and accessible form.
  • The distribution of the drugs minimizes any risk to their quality.
  • A system is available for recalling any batch of drug from sale or supply.
  • Complaints about marketed drugs are examined, the causes of quality defects are investigated, and appropriate measures are taken with respect to the defective drugs and to prevent recurrence.

GMP guidelines are not prescriptive instructions on how to manufacture products. Rather, they are a series of general principles that must be observed during manufacturing.

There are many ways a company can fulfill its GMP requirements. When a company is setting up its quality program and manufacturing process, it is the company's responsibility to determine the most effective and efficient quality process.

GMPs are enforced in the United States by the U.S. Food and Drug Administration, under Section 501(B) of the 1938 Food, Drug and Cosmetic Act. The regulations use the phrase "current good manufacturing practices" (cGMP) to describe these guidelines.

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