It's a common thing that happens to many people (many don't know because they don't have blood work done). Because the plan is low-carb, low-cal, low-fat, and they encourage ketosis, it is going to raise the values of your liver function testing. It's generally not a problem, but worth keeping track of. Once you lose the weight and enter stabilization and maintenance, things should even out.
May 1st Mini-Goal: