[header] How to lower urobilinogen levels [title] Eat plenty of fruits and vegetables. [step] A healthy diet full of fruits and vegetables promotes a healthy liver and normal urobilinogen levels. Red veggies and fruits contain compounds that can help lower bilirubin levels, which will help lower your urobilinogen levels. 
Tomatoes is a great food to eat to help with this. [substeps] Radishes are also a great vegetable to promote liver health.