Are you trying to find the best active B12 test available in the UK? You can get assistance from Diagnostics 360. The active b12 test is one of many tests we provide. It is a test that is simple, convenient, and affordable that can be carried out at home. The active B12 test can be used to find active B12 in saliva, urine, or blood. This test can be used to diagnose or rule out pernicious anaemia as well as to monitor the treatment for vitamin B12 deficiency. Visit our website to learn more.