10. Starfruit
Starfruit may look harmless, but it contains neurotoxins that can be extremely harmful for people with kidney problems. In severe cases, the toxins can cause hiccups, confusion, seizures, and even death. For healthy individuals, starfruit is generally safe in moderation, but those with kidney issues must avoid it entirely. Cooking or juicing does not remove the toxin.
How to enjoy without risk: If you have kidney problems, avoid starfruit completely—otherwise eat in moderation.