If the glucose level is high enough, excess glucose spills into the urine.
Fatty liver disease caused by excess sugar intake has been linked to an imbalance in healthy gut bacteria, as liver disease causes the overgrowth of negative intestinal biota3. https://higgledy-piggledy.xyz/index.php/This_Is_A_2_Minute_Video_That_ll_Make_You_Rethink_Your_Blood_Glucose_Levels_Strategy