Crystal Health is a leading provider of DNA Testing, Drug and Alcohol Testing, and occupational medical assessments in the UK. We deliver complete and fully managed testing services direct to the public, legal sector, local authorities & private commercial organisations. Our unique, genuine network of DNA, Drug and Polygraph Testing Clinics provide unrivalled coverage around the UK on a local level. Fully accredited sample collection and laboratory facilities enable Crystal Health to deliver on our promise of convenience, confidence and support across all of the testing services we provide.