As others have pointed out, Mercury in sardines is as low as it gets. Mercury is actually not that big a deal if you are an adult male, or a woman who is done

As others have pointed out, Mercury in sardines is as low as it gets. Mercury is actually not that big a deal if you are an adult male, or a woman who is done having kids. The main issue with it is developmental issues in children. Unrelated: IMO, Sardines are the most delicious fish.