Quest Vitamins - the UK’s leading independent manufacturer of specialist health supplements. Established in 1983, Quest is an independent company dedicated to manufacturing nutritional supplements of the highest quality for the health needs of its customers you can recommend with confidence. Each product is supported by scientific research, contains pure raw materials and is manufactured through industry leading standards and techniques. Quest products all feature Intelligent Nutrition Systems; a set of formulations and manufacturing standards that establish a benchmark for all nutritional supplements. In an industry where the use of third-party contract manufacturers is normal practice, Quest remains 100% committed to in-house manufacturing.