Potatoes: Green potatoes contain solanine, a toxic alkaloid that can cause severe symptoms like vomiting, diarrhea, and even death.
Almonds: Bitter almonds contain hydrogen cyanide, making them illegal to sell in the US due to toxicity concerns.
Mushrooms: Wild mushrooms can be poisonous, and only specific types sold in stores are safe for consumption.
Red Kidney Beans: Contains Phytohemagglutinin, a toxin that can cause nausea, vomiting, and diarrhea if not cooked properly.
Cashews: Raw cashews contain urushiol, the same chemical found in poison ivy, necessitating cooking or steaming before consumption.
Tuna: Contains mercury, which can be harmful if consumed in large amounts over time.
Elderberry: Raw elderberries contain glycosides that can break down into cyanide, but cooking them makes them safe.
Apple Seeds: Apple seeds contain cyanide, although the amount in one seed is generally not harmful unless consumed in large quantities.