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Product Review

Canned Tuna, Salmon, Sardines & Mackerel Review

Find Fish With the Least Mercury & Arsenic and Most Omega-3s

Canned Fish Review 2025

CL Answer

How good are sardines? Are they healthy and safe? What did CL's tests find?

Find out amounts of omega-3s (DHA and EPA), protein, and vitamin D in sardines, as well as contaminants mercury and arsenic based on ConsumerLab's tests.

Are Sardines Safe and Healthy To Eat? -- Can of Sardines

News Release

June 12, 2025

Best & Worst Canned Tuna, Salmon, Sardines & Mackerel

White Plains, NY, June 12, 2025 – High levels of mercury and/or arsenic were found in several popular brands of canned tuna and sardines recently tested by ConsumerLab.com.

News Release

July 10, 2020

Best and Worst Tuna, Salmon and Sardines? ConsumerLab Tests Reveal Amounts of Omega-3s and Toxic Heavy Metals in Canned and Packaged Fish

White Plains, New York, July 10, 2020 — Canned and packaged tuna, salmon and sardines can be an excellent source of omega-3 fatty acids, but some may also be contaminated with toxic heavy metals such as mercury and arsenic.

News Release

September 12, 2018

Little Omega-3 and High Mercury Found In Some Canned Tuna -- Better Choices Selected for Tuna and Salmon

White Plains, New York, September 12, 2018 — Some popular canned tuna contain much lower amounts of omega-3 fatty acids than recommended for cardiovascular benefits while being high in mercury and/or arsenic, according to tests by ConsumerLab.com.