5-HTP is a precursor to serotonin (involved in mood, energy, and suspected to be a key in fibro), melatonin (involved in sleep) and a few other neurotransmitters. It may indeed help with the things you've listed, so it's worth a try.

I've used it and didn't see much benefit but it might work better for others.

Please be aware though, it is dangerous to use 5-HTP with antidepressants such as SSRIs, which are commonly prescribed for fibro. Ask your doctor before taking 5-HTP if you're on any prescription medication.

I was going to tell you about the warnings if you are on a SSRI but Jawzper beat me to it. There are several natural supplements that should not be taken with SSRI's

I have heard of it. I've heard great things about it. I've never tried it. It's like anything else. U gotta try it . It might work for u n not someone else. Best of luck