luckylocket61, I have no answers, but have a fascination with the topic of fatty liver. Here's one of the most interesting interviews I've come across on fatty liver. And I think, its been a year since I listened to it over and over again, I don't think she's a fan of the keto diet, so perhaps you'll glean some ideas...
Any online lectures by Robert Lustig, MD may be helpful. He discusses liver health in all his lectures. He's a huge fan of eating real, whole, fiber rich foods. Not a fan of eating fiber as a supplement. Additionally, he's neutral on the keto diet. It's hard to pick a favorite lecture, but this one is good one, presented at the Public Health Collaborative conference in 2019...
[Big hug]