You may have fatty liver
and your liver function test no are high. its good to know your Hep B and C test are negative so there is nothig to worry about. why dont you take some herbal drugs for your hepatoprotective properties. There are some herbal products which are hepatic protection and anti viral properties. Which will help you in maintianing your LIver function test.
For your diet be aware for taking High Fat intake, Alcohol and Smoking
Follow yogic practice and contact your nearest Ayurvedic physician
Get well soon