Frequently Asked Questions about Canned Fish

Frequently Asked Questions about Canned Fish


MN WIC Program

What nutrients does canned fish provide?
How much tuna and salmon are safe to eat in a week?
Why can't I buy tuna or salmon in foil packs?


What nutrients does canned fish provide?

Protein is needed for growth, development and repair of your muscles and other body tissues. It also helps fight infection and disease.

Omega-3 Fatty Acids have been shown to reduce your risk of heart disease.

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How much tuna and salmon are safe to eat in a week?

Tuna and salmon may contain very small amounts of mercury or PCBs, which can be harmful to fetuses and children. The Minnesota Department of Health recommends children under the age of 15, pregnant women and breastfeeding women eat no more than 1 meal a week containing canned "light" tuna or 2 meals a week containing salmon.

The amount of fish you can eat in a meal depends on your body weight. Here are some guidelines. A meal is:

  • 6 oz. for a 110-pound person
  • 8 oz. for a 150-pound person
  • 10 oz. for a 190-pound person

See the MN Department of Health's Fish Consumption Safe Eating Guidelines for more information.

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Why can't I buy tuna or salmon in foil packs?

Foil packs are not allowed due to the extra cost.

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