Interactions between grapefruit and these medications occur in the digestive system. When a medication enters your intestine, it’s typically broken down with the help of the enzyme CYP3A4 ...

Naturally, grapefruit is one of the high-potassium fruits that you’ll want to avoid, she explains. If you’re not taking medication and your kidneys are in check, there’s little to worry about.

Just as grapefruit is not a miraculous vanquisher of fat, it isn’t a ubiquitous killer. Even people on certain medications may be able to enjoy it if they consult an expert first.