Thank you, mountaineermd, for responding to me. Now I can be confident that you read my post. I probably should have posted this in an earlier post, but I didn't think of it. The first brand that I used - the one with the mannitol in it - was the Walgreens store brand. The second brand that I used -...

The way that this conversation is going is reminding me of a Krishnamurti saying: "It is no measure of health to be well adjusted to a profoundly sick society."

Thank you for the further information, Tincup. If diarrhea that is brought on by melatonin always resolves with time when staying at the same dosage, then that might be a way to tell whether the diarrhea is a result of melatonin or polyols. Polyol-induced diarrhea seems to keep happening if you keep...

Thank you, Mr. Renlets. Yes, that information that Tincup gave me was helpful. I'll keep an eye on this site to see if there is any further help that I can get, or if there is any further help that I can give to anyone else. I was concerned, at first, that it might not be appropriate for somebody wh...

Thank you, Mr. Tincup, for letting me know about that. That pharmacist lied to me! Or, more likely, I just misunderstood him. My fault. I think that I may try some of that pure melatonin, at some point. So, then, with what you're saying, it seems that both melatonin and polyols can cause digestive p...

Okay, so, I probably will not use this website very much, given that (as far as I know, at least) I do not have the genetic issue that this website addresses. Why am I posting now? Well, I was, originally, interested in contacting Dr. Robert Johnson, the dude who started this thread. However, I was ...