Product testing, also called consumer testing or comparative testing, is a process of measuring the properties or performance of products. The theory of product testing is that since the advent of mass production manufacturers produce branded products which they assert and advertise to be identical within some technical standard.
Product testing is the process of providing evidence on how the quality of how the quality of a drug substance varies with the time under the influence of environmental factors such as light, temperature, humidity and to re-establish a retest period for drug substance and to provide a shelf life period of drug substance.
Related Journals of Product Testing
Research and Reviews:Journal of Pharmaceutical Quality Assurance, International Journal of Pharmaceutical Quality Assurance.