Ooh that interesting about prebiotics I will have to look into that.
I do wonder about sources for supplements I got all mine off Amazon sellers eek useful to know. So far not noticed anything major appart from very liquidy movements noises coming from tum/intestines after taking S Boulardii!!

NSD almost all the way
No dairy hard cheeses occasionally and homemade ghee
Still trying to work out what makes me tick and what makes me drop

'Chew your drinks and drink your foods'
'Let your knife & fork do the work of your teeth and let your teeth do the work of your stomach'
Mahatma Gandhi