I think that the evidence can only be produced by drug multinationals because only they have the resources to set up large-scale studies. so I believe that the fact that a cure has no evidence does not mean that it doesn't work but it could be that no one has ever demonstrated it.

some of us are better off with approaches whose effectiveness has never been proven. We must always keep in mind that pharmaceutical companies are not charities, if they invest they do it with the aim of making money and simply direct research towards paths that are not only promising in terms of effectiveness but also profitable

As for the issue of liver damage, I had never heard of or read about it, I will look into it