I take 2 tablespoons every night. I started experimenting with it years ago. It definitely helps stave off liver toxicity while running a harsh oral. Not in a major way but it does have an impact.
You can tell the difference when looking at your bloodwork. Just my experience.
I had the misfortune of being diagnosed with type 2 diabetes as a young man, due to being overweight. Thankfully due to the weight room and proper nutrition I was able to overcome it. Metformin was what I was subscribed, IMO its not worth the bother.
If significantly overweight it often does...