UserX
Don't know about the apples opening the bile duct...but the malic acid in apples helps to break down stones so that they are easier to eliminate. You can use apples in a couple of ways....juice them and drink fresh apple juice for the week prior to your flush...or you can do an apple fast...eat only apples for 3 days and follow with a flush.
Taking a generous dose of magnesium prior to a flush will help to relax the bile duct...you can still get magnesium supplements in the UK, right?!