Just got borderline liver function test result, i'm normal weight don't drink, and looking online is freaking me out with hepititis, what could b?

Get it worked up: Often something as simple as a mild allergy to ibuprofen can do this. Your physician can figure out the cause. If your're free of hepatitis B and C, hemochromatosis, autoimmune hepatitis, and antitrypsin deficiency, you may have one of the genetic fatty liver syndromes. They're not that problematic. While you're waiting, hit the aerobic fitness circuit hard -- your liver will be grateful.