.ZEST (Zest Laboratories Private Limited) was established in the year 2002 and started its testing with simple facilities. To perform and analyze the basic quality control testing activities of medicines, water and allied products, ZEST has inclined towards a scientific approach. With Employment of chemical and microbiological techniques for its operation, ZEST has continuously taken assistance from sophisticated instrument like HPLC, GC, AAS, UV Spectrophotometer, Auto Titrator and precision stability chambers etc. to provide accurate testing results. Being first and only NABL under ISO/IEC - 17025 : 2005 for Chemical Testing accredited institution in Nepal make ZEST more special. This has entrenched ZEST as a strong quality analyzer to support, Food Industries, Pharmaceutical Industries & Pharmaceutical business houses, food & drug authorities and Food & Drug Donor agencies, pharmaceutical institutions & professionals in the country.