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Tuna, Salmon & Sardines

Mercury in Canned Tuna

November 13, 2024

High levels of mercury were recently reported in canned tuna sold in several European countries. See how these levels compare with those CL found popular tuna products sold in the U.S. in the Quality Concerns section our Canned and Packaged Fish Review.

Also see our Top Picks for tuna, salmon, sardines, and herring.

Warning Label on Sardines

November 08, 2024

A CL member asked why a popular brand of sardines now carries a California Prop 65 warning label. See our answer in our Canned Fish Review, which includes our Top Picks among products (including canned tuna, salmon, herring and sardines).

Keeping Up Vitamin D

October 24, 2024

With less daylight now in the Northern Hemisphere, it's a good time to consider ways to keep vitamin D levels up. In addition to supplements, foods like salmon can help – but how and when you consume these can make a big difference, as shown in a recent study. For details, see the Getting Vitamin D From Foods section of our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.

Also see our Top Picks among canned and packaged fish products, including salmon.

Best Tuna

August 05, 2024

Which canned tuna has the lowest amount of mercury? See our Top Pick in our Canned Fish Review, which includes our tests of canned tuna, salmon, sardines and herring.

PFAS Toxins in Seafood

April 16, 2024

A recent study raised concern about high levels of PFAS in certain seafoods. Get the details in our Canned Fish Review, which includes our Top Picks among canned and packaged tuna, salmon, sardines, and herring.

BPA & Phthalates in Canned Fish?

January 09, 2024

Plasticizers such as bisphenol A (BPA) and phthalates can leach into food from packaging such as cans and foil pouches. How big of a problem is this in canned tuna and other packaged fish? See what tests by an independent group showed in the Quality Concerns section of our Tuna, Salmon, Sardines & Herring Review. Also see our Top Picks for canned tuna and other packaged fish.

Season Sardines

August 01, 2023

A CL member asked how Season sardines with bones compares to the Season boneless sardines that we tested. Find out.

Also see our Top Picks among sardines and for canned tuna, salmon, and herring.

Canned Fish Prices

April 28, 2023

We just updated the prices of products we've tested and found that prices of some (such as light tuna) are lower now. See the latest prices and our Top Picks for canned tuna, salmon, and sardines.

Smoked Fish & Cancer?

February 07, 2023

Can eating smoked or salted fish increase the risk of cancer? Find out in the Concerns and Cautions section of our Canned Tuna, Salmon, Sardines & Herring Review. Also see our Top Picks among products.

Canned Fish & Cancer?

January 31, 2023

Is there a link between canned fish and cancer, as there is for some other processed meats? Find out in the Concerns and Cautions section of our Tuna, Salmon, Sardines & Herring Review. Also see our Top Picks for canned fish.

Bad Clams

July 19, 2022

Two popular brands of canned clams were recently recalled. See the details our Canned Fish Review.

Herring vs Other Fish

June 28, 2022

How good is smoked herring compared to sardines, salmon, and tuna? We bought and tested two favorite herrings of CL readers, Trader Joe's and Crown Prince. See what we found, our Top Pick for herring, and how these compare on mercury, arsenic, and omega-3 fatty acids to each other and 20 other products in our Tuna, Salmon, Sardines and Herring Review.

Vitamin D in Fish

March 22, 2022

Which fish contain the highest levels of vitamin D, and how does cooking effect these levels? Find out what a recent study showed in the What to Consider When Buying section of our Vitamin D Supplements Review.

Also see our Review of Canned Fish for information about levels of vitamin D in canned fish.

Less Mercury in Some Tuna?

March 04, 2022

Do pole & line or troll-caught tuna contain lower concentrations of mercury than traditional-catch tuna? Find out in the ConsumerTips section of our Tuna, Salmon & Sardines Review. Also see our Top Picks among tuna products.

Mercury Levels in Tuna

February 25, 2022

A CL member asked Wild Planet to comment on the mercury levels ConsumerLab found in its tuna products. See the response in the Update to our Tuna, Salmon & Sardines Review. Also see our Top Picks among canned tuna, salmon, and sardines.

Diabetes & Sardines

April 03, 2021

Can eating sardines reduce the risk of type 2 diabetes? See what a new study found in the What It Does section of our Tuna, Salmon & Sardines Review. Also see our Top Picks for sardines, canned salmon and tuna.

Learn about the effects of fish oil supplements on blood sugar and insulin sensitivity in our Fish Oil Supplements Review.

More Fish, Less Death for Some

March 09, 2021

A recent analysis found that regular consumption of fish was associated with an 18% lower risk of death over a 9-year period. Get the details in the What It Does section of our Canned Fish Review. Also see our Top Picks among canned and packaged tuna, salmon and sardines.

Microplastics in Seafood?

October 12, 2020

A recent study found unexpectedly high levels of microplastic particles in certain seafoods. Get the details and see which had the highest concentration in the Concerns and Cautions section of section of our Tuna, Salmon and Sardines Review. Also see our Top Picks for tuna, salmon and sardines.

Fish Oil Heart Claim

June 28, 2019

You'll start seeing a new heart health claim on fish oil supplements as well as foods that provide the omega-3's EPA and DHA. While legal, the claim is a bit fishy. Get the details in the Fish Oil Supplements Review as well as the Canned Tuna and Salmon Review. Also see our Top Picks for fish oil supplements and canned fish.

DPA -- The Other Omega-3

October 22, 2018

Studies are showing that higher blood levels of DPA (an omega-3 fatty acid obtained from fish) are associated with healthier aging and reduced cardiovascular disease. Although a cause-and-effect relationship has not been established, if you're interested in increasing DPA in your diet, we just published the amounts of DPA that we found in popular brands of canned tuna and salmon. Some had virtually no DPA, while others provided nearly 100 mg per serving. (Also see our Top Picks for Canned Tuna & Salmon.)

Omega-3s & Healthy Aging

October 19, 2018

Do higher blood levels of omega-3 fatty acids (as obtained from fish and/or fish oil) correlate with healthier aging? See what a new study found in our updates to the Fish Oil Supplements Review and the Canned Tuna and Salmon Review.

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