Wild-caught albacore tuna from PNW waters is particularly special when it comes to heart health. These fish, caught when they're younger and smaller than their counterparts in other regions, have been found to contain significantly higher levels of beneficial omega-3 fatty acids EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) compared to tuna from other regions.
Research has consistently shown the cardiovascular benefits of omega-3s found in fatty fish like albacore tuna. Major health organizations, including the American Heart Association, recommend consuming fish rich in omega-3s at least twice per week as part of a heart-healthy diet.
How Does Albacore Tuna Compare to Other Seafood?
When it comes to heart-healthy seafood options, wild Pacific Northwest albacore tuna stands out for several reasons. Salmon is the higher omega-3 fish — USDA data put wild king salmon at roughly 1.5 grams of EPA and DHA per 3-ounce cooked serving against about 0.7 to 1.1 grams for canned albacore — but albacore is remarkably high for a canned fish, and it brings advantages salmon does not:
Micronutrient Profile: While many fish are good sources of B vitamins, albacore tuna is particularly rich in vitamin B12 — a single serving covers most or all of a day’s needs. It is also unusually high in selenium, a mineral the body uses in its antioxidant enzyme systems. You will sometimes read that selenium binds mercury and prevents you absorbing it. There is real research behind that idea — the selenium-to-mercury ratio in seafood is an active area of study — but it is not settled science and it should not be treated as a guarantee. For mercury, follow the FDA and EPA species guidance below rather than relying on selenium to cancel it out.
Cost-Effectiveness: Compared to other omega-3 rich fish, albacore tuna often provides more nutritional bang for your buck, making it a more accessible option for regular consumption.
Fat Profile: Albacore tuna has a moderate fat content while still maintaining excellent levels of omega-3s. This makes it an ideal choice for those watching their caloric intake while seeking heart-healthy benefits.
Versatility: While many fish species require careful cooking to maintain their texture and flavor, albacore tuna is incredibly versatile. It can be enjoyed raw (when properly handled), lightly seared, fully cooked, or even canned, while maintaining its nutritional benefits across preparation methods.
Blood Pressure Benefits
One of the most compelling reasons to include wild albacore tuna in your diet is its potential impact on blood pressure. Tuna is naturally rich in potassium, and researchers have identified peptides in fish protein with blood-pressure-lowering activity in laboratory and animal work — promising, but not yet demonstrated to lower blood pressure in people at the amounts you get from a meal. What is better established is that regular fatty-fish consumption is associated with modestly better blood pressure, and that omega-3s themselves have a small blood-pressure-lowering effect.
Inflammation and Heart Health
Chronic inflammation is a known risk factor for cardiovascular disease, and this is where Pacific Northwest albacore tuna truly shines. The clean, cold waters where these fish are caught contribute to their exceptional nutritional profile. Omega-3s are the raw material for the compounds the body uses to resolve inflammation, and higher intakes have been associated with lower levels of inflammatory markers such as C-reactive protein. Worth noting the dose, though: studies measuring anti-inflammatory effects in people have generally used more than 2 grams of EPA+DHA a day, more than a couple of meals a week provides.
The Pacific Northwest Advantage
When it comes to mercury concerns in tuna, research from Oregon State University's Seafood Lab provides reassuring evidence about Pacific Northwest albacore. According to their studies, sustainably caught West Coast albacore consistently shows mercury levels below both FDA and Canadian guidelines. This is attributed to their smaller size (10 to 24 pounds) compared to other commercially caught tunas.
This research distinguishes Pacific Northwest albacore from other tuna species - an important detail often missed in general reporting. While some larger tuna species may have mercury concerns, sustainably caught West Coast albacore stands apart due to sustainable fishing methods that target younger, smaller fish. This makes it a particularly safe choice for those mindful of mercury consumption.
Official Dietary Recommendations — and one important limit on albacore
The Dietary Guidelines for Americans, 2020–2025 recommended at least 8 ounce-equivalents of seafood per week for adults — about two servings — and most Americans fall well short of it. Worth noting for accuracy: the current Dietary Guidelines for Americans, 2025–2030, released in January 2026, recommend a variety of protein foods including seafood and specifically highlight omega-3-rich seafood, but do not set a weekly seafood amount. So the 8-ounce figure should be attributed to the 2020–2025 edition rather than to "the Dietary Guidelines" generally.
For species-specific guidance, the reference is the FDA and EPA Advice About Eating Fish, and here there is something important to say plainly, because we would rather be straight with you than sell you more tuna.
Albacore is a "Good Choice," not a "Best Choice." Under the FDA and EPA advice, albacore — also sold as white tuna — is limited to one 4-ounce serving per week, with no other fish that week, because it typically carries about three times the mercury of canned light tuna, which is a Best Choice. That is a different allowance from the two to three servings a week permitted from the Best Choices list.
This matters most in pregnancy. The advice for people who are pregnant or breastfeeding is 8 to 12 ounces of fish per week from lower-mercury choices — and albacore is not one of them. Choosing albacore in a given week caps that week at a single 4-ounce serving, which is below the 8-to-12-ounce range rather than a way to reach it. If you are pregnant or breastfeeding and want to hit that target, build it from Best Choices species such as salmon, cod, scallops, crab, shrimp or canned light tuna, and read the FDA advice directly.
None of that contradicts the Oregon State findings above. Pacific Northwest albacore is caught younger and smaller and tests below FDA limits, which is a genuine advantage over larger tuna. It is still albacore, and the federal advice puts albacore in the Good Choices column.
To-Do List:
For optimal heart health benefits, consider these actions!
- Aim for at least 8 ounces of seafood a week, the figure from the Dietary Guidelines for Americans, 2020–2025
- Keep albacore to one 4-ounce serving in any week you eat it, per the FDA and EPA advice, and make up the rest of your seafood from Best Choices species
- Choose troll-caught or pole-caught albacore from Oregon and Washington waters when possible
- Incorporate tuna into meals by using it in salads, sandwiches, or as a protein-rich addition to grain bowls. We have an incredible library of recipes for tuna over on the Premier Catch Recipe blog!
- Aim to include a variety of seafood in your diet, with Pacific Northwest albacore as a regular choice
So: yes, wild-caught albacore from the Pacific Northwest is a heart-healthy choice, with the one caveat above about how often. Its combination of omega-3s, B12, selenium and lean protein makes it a genuinely good addition to a heart-healthy diet, and its mercury levels are lower than tuna caught elsewhere. When sourced from the Pacific Northwest, you're not just making a choice that's good for your heart – you're also supporting sustainable fishing practices that help ensure these nutritional benefits will be available for generations to come.