Fluid is always advised but both these help. The inulin seems to lubricate the benefibre is soluble fibre but all fibre needs fluid of some kind.
I cannot serve jelly because of dysphagia bug I would if I could. Soup in a mug can be sipped, all helps.
I like water and try to drink a lot, we had little else as children. I hated milk but we had no fridge.
I do flavour water sometimes with a dash of lemon, sliced ginger steeped is good hot or cold. I keep reusing the slices. I make this by pouring on boiling water, then drink hot or cold. I love ginger so end eating the ginger. Whe much of the heat has gone.
Nowadays I buy spiced teas too I like pukka for the range. I have been trying the nighttime ones too.
There is a good dark chocolate almond milk, if I buy three at a time I get it for £1 a litre.
I wonder if the laxidol could be given in smaller doses, use half a sachet? It draws fluid to the bowel.
My mother used to swear by a pinch, yes a pinch, of Epsom salts first thing in the morning.
The problem is quite distressing for people, being inactive does help either.
There is a soft padded cushioned toilet seat on the market.
A stool to raise the feet can put someone in a better position to relax the sphincter muscle.
Everyone is different but sometimes trying something out on oneself helps one understand how it works. Often things are Trial and Error.