The supplement is called HemClear (clever, eh?) and it lists these 'natural' ingredients--does anyone have any experience with them in terms of potential irritation of the bladder? Anyone ever taken HemClear?

horse chestnut seed extract
witch hazel leaf and bark
ginger root
Diosmin
Hesperidin
Butchers Broom
oat straw
biliberry
plantain
rutin
red root
cayenne (worried about this one, of course)