Dedicated In-House Manufacturing

The use of third-party contract manufacturers is the normal practice within the industry. At Quest, we believe that the extra investment and effort of making our own products gives us complete control and delivers the highest quality and reliability in which our customers can trust.

Industry-Leading Manufacturing Standards

Quest strictly adheres to the internationally recognised “Good Manufacturing Practice” (GMP) guidelines, and we are licensed by the UK Medicines and Healthcare Regulatory Agency.

Unrivalled In-House Quality Control

To meet the highest quality standards for our customers, Quest maintains fully equipped in-house analytical and microbiology laboratories. Quest chemists and microbiologists rigorously test raw materials, in-process controls, and finished products to our uncompromising specifications of purity, potency, nutrient availability, ingredient integrity and shelf life stability