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seafood lovers

Tips & Resources

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Mercury Toolkit


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Eating fish contaminated with mercury, a poison that interferes with the brain and nervous system, can cause serious health problems, especially for children and pregnant women.

Use our Mercury Toolkit to calculate your mercury exposure and print out handy wallet-sized guides to eating fish more safely.

Mercury Calculator

Use NRDC's Mercury Calculator to find out if you're consuming too much mercury.


Mercury Wallet Card

If you are pregnant or planning to become pregnant, use this guide to see what amounts of fish caught and sold commercially are safe to eat.


Sushi Wallet Card

If you are pregnant or planning to become pregnant, use this guide to learn which fish used in sushi have low levels of mercury.