The 12 most contaminated fish to avoid at the supermarket

Fish is often touted as a healthy source of protein, rich in omega-3 fatty acids and essential nutrients. But not all fish are created equal. Due to pollution, farming practices, and environmental changes, some fish contain high levels of toxins that can pose serious health risks.

Before adding fish to your basket, check out this list of the 12 most contaminated fish commonly found in stores. Knowing what to avoid can help protect your health.

1. Tilapia (farmed)

Farmed tilapia often comes from overcrowded fish farms, where they are fed artificial feed. Many farms use antibiotics and chemicals, and studies have found high levels of pollutants in farmed tilapia in some countries.