Fat-soluble vitamins A, D, E, K build up in the liver → hepatotoxicity
Excess iron → hemochromatosis (liver scarring)
One daily cheap multi is usually fine — three or more + fortified foods = overload.
Groceries
3. Kava Kava
Contains kavalactones that cause severe, unpredictable liver failure
Banned in Germany, Canada, UK, Australia for good reason — dozens of documented transplants needed.