Will losing weight help in treating stage 4 liver fibrosis?

Hello doctor,

Two years back, after a routine blood test I was diagnosed with fatty liver due to raised liver enzymes ALT 53 ALP 66 and GGT188. I later underwent a liver scan and the conclusion was Child A Cirrhosis-possibly secondary to NASH. Advised to lose weight with no medication prescribed. Yesterday, I underwent a FibroTouch scan and result showed liver stiffness of 19.9 kPa and UAP(dB/m) of 279. Meanwhile, for the past one year I have been taking daily supplements of Milk Thistle, Gluthathione and lately Magnesium Bisglycinate, (for cramps and muscle weakness), and Vitamin E. I was also once told that I may have high inflammation due to autoimmune-related problem possibly due to a weak gut (leaky gut). All not really validated through any test.

Apart from deciding to go aggressive with my weight loss initiative and eating more plant based food, I am at a loss as to what to do to reverse the stage 4 fibrosis from worsening. I am going plant based because of the testimonies of those who adopted the diet lifestyle and had a change for the better in their conditions. My family is worried that I may not have the chance to live long. I am almost 62 now. What do you advice that I should do to recover from this?