A Patient Taking Clozapine (Clozaril) Says, "I Get Plenty of Vitamin

A patient taking clozapine (Clozaril) says, "I get plenty of vitamin C by drinking 8 ounces of grapefruit juice each morning." Select the nurse's best response.

A) "High doses of Vitamin C support the immune system and general good health."
B) "Name another juice you would drink, because grapefruit juice can cause a bad reaction while taking clozapine."
C) "Grapefruit juice lessens the effectiveness of your medication. You might need higher doses."
D) "New research shows papaya juice is a better source of vitamin C than grapefruit juice."