Hi Chrisfm, Banannas are meant to be good natural source of serotonin and companies like Neals Yard have a range of dried herbs and tinctures etc that purport to help with things like:
Worry - red chestnut (excessive worry about loved ones) or white chestnut (constant worrys/mental arguments) or olive healing herbs (exhausted from prolonged worry, illness grief etc)
Fear - courage flower essence blend (panicky feelings, fright, specific and irrational fears etc), Larch healing herb (fearing failure)
Upset - Pulsatilla 30C Helios Homeopathic Remedy (when ill or upset children and adults)
Well think that's enough of me promoting Neals Yard, Honest i don't work for them!, but they do seem to have a wide range of items
claiming to address specific conditions but they do seem to be a reputable company. I just went onto their website
www.nealsyardremedies.com and typed in keywords in the search box. There's also Chinese Herbal medicine that you might want to look into?
I'm not sure about any of the above as I've only ever tried bach's flower remedy and didn't really notice much difference. Think some people may be more sensitive to some of the natural remedies available. I eat lots of fresh fruit and veg and exercise quite a lot - I think it makes a difference? I do think good nutrition and hydration is a very important aspect of our wellbeing and an interesting area in it's own right.
My personal view is that anxiety, depression and other feelings and emotions are much more complex than any off the shelf remedy can realistically address. However, I can't advise on what's best for you or anyone else just my experiences to date and the knowledge that we're all wonderfully different - 'one man's meat is another man's poison' and all that.
Sorry bit of a long reply

, and not clear cut

but interesting for me to research too, it's a big area - might even give something a try

good luck and I'd be interested to hear if you've found anything that helped.
