A) I would ignore it partly because it complicates things.
B) Partly because it's just a "nice to have" part of the Clark formula.
C) Partly because it is not an absolute necessity. FYI, if you read the "Cure for all diseases" book by Clark, the only ingredients of the Liver Flush are as follows (and I'm quoting her word by word):
Epsom Salts 4 tablespoons
Olive oil half cup (light olive oil is easier to get down)
Fresh pink grapefruit 1 large or 2 small,
enough to squeeze 2/3 to 3/4 cup juice
Ornithine 4 to 8, to be sure you can sleep.
Don't skip this or you may have the
worst night of your life!
Large plastic straw To help drink potion.
Pint jar with lid
END OF QUOTE
Of these you can safely ignore the "ornithine", and the "pint jar with a lid", but the rest of the items in this list is an absolute must.