This kit is recommended to study the accumulation of Niacin for differentiation of Mycobacterium species especially Mycobacterium tuberculosis / for (presumptive) identification of Mycobacterium tuberculosis . Kit contains: 1. Part A: Reagent (1ml): 10vials 2. Part B: Reagent (1ml): 10vials 3. R055: Reagent P (4ml): 1 vial.