The present invention relates to in vivo imaging and in particular to magnetic resonance imaging (MRI). Provided by the present invention is a pharmaceutical formulation suitable for use in an MRI procedure and which offers advantages over known such formulations. A particular dose of the pharmaceutical formulation of the invention is also envisioned as well as the use of said dose in a method of in vivo imaging. This present invention provides for simultaneous administration of a liver specific agent and a second MR contrast agent that is capable of better/further enhancing the dynamic vascular phase in a patient. The method of the invention has the advantage of simplicity and patient comfort, compared to sequential injections. Furthermore, the method of the invention provides the advantage that it can enable a lower cumulative dose of contrast agents.