If anyone tells you that <whatever> helps with ME, you have to read that as "it may have helped someone with ME". Some anecdotal stories may not involve actual ME. Some might be a placebo effect. Some might be true, but only for that one individual (or maybe a few). As far as I know, there is no "works for everyone with ME" or even "works with a significant number with ME". If you want to try it, go ahead, or as hmnr asg says, you can buy it cheaper as separate ingredients. Is it more likely to help you than a supplement chosen at random? My guess is not. It's just another random thing you could try.