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Does tuna contain a lot of mercury?

When it comes to mercury, tuna is pretty close to the middle of the road, actually, with a mercury concentration ranging from 0.12 to 0.69 parts per million, depending on what kind of tuna you eat. And you'll need to eat anywhere from 3.5-12 ounces to get one gram of omega-3 fatty acids, depending on how you take your tuna. Fresh tuna has the most and canned chunk light tuna has the least. But chunk light tuna also has the least mercury.
 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.