Neither sardines nor salmon is definitively "better"; they are both nutrient powerhouses, but excel in different areas: sardines often pack more calcium, iron, B12, and omega-3s per serving and are lower in mercury, making them superfoods, while salmon offers more Vitamin D, B3, B6, and B5, plus a milder taste and often less added salt/oil. Your best choice depends on your specific nutritional needs, budget, taste preference, and concerns about sodium or purines.
Sardines, Pacific (wild-caught)
The tiny, inexpensive sardine is making it onto many lists of superfoods and for good reason. It packs more omega-3s (1,950 mg!) per 3-ounce serving than salmon, tuna, or just about any other food; it's also one of the very, very few foods that's naturally high in vitamin D.
Sardines may contain excess sodium and are high in purines.
The healthiest canned fish are small, oily varieties like sardines, mackerel, anchovies, and herring (SMASH), packed with omega-3s, protein, vitamin D, calcium (especially with bones), and lower mercury, with anchovies and sardines often topping the list for overall nutrition and lower cost; salmon is also excellent but choose smaller species like canned sockeye or chum.
Canned sardines are a nutritious, low‐mercury choice during pregnancy when consumed in moderation, with attention to sodium content and can integrity. They contribute valuable omega‐3s, calcium, vitamin D, and protein that support fetal development.
Is it healthy to eat canned sardines every day? Yes, both dietitians, Shea Rawn and Manaker say that it is okay to eat canned sardines daily, but it is recommended not to exceed a weekly seafood intake of 2-3 cans per week (depending on age and individual factors).
The Dietary Guidelines for Americans states that to consume those higher amounts, children should only be fed fish from the “Best Choices” list that are even lower in mercury – these fish are anchovies, Atlantic mackerel, catfish, clams, crab, crawfish, flounder, haddock, mullet, oysters, plaice, pollock, salmon, ...
Pre-cooked pasta in sauce is one of the unhealthiest canned foods. While they might be tasty meals, the reason they have that addictive flavour is due to high levels of sugar and salt. For example, a can of Heinz Alphaghetti contains 1,490 mg of sodium and 18 g of sugar.
Washing Canned Fish Can Rinse Away Some Of Its Flavor
She did note that "if you find the oil or brine too strong, you can lightly rinse fish like sardines or tuna," but she warned us that you should "be mindful that you'll lose some of that preserved flavor."
The unhealthiest fish to eat are typically large, predatory species high in mercury like shark, swordfish, king mackerel, and imported tilefish, plus bluefin tuna, which are dangerous for brain/nerve health, especially for pregnant women and children; also, farmed salmon and some imported tilapia/catfish raise concerns for contaminants and antibiotics, while orange roughy and Atlantic cod are often cited for high mercury and overfishing/sustainability issues.
You feel good after eating sardines because their rich nutrients, especially omega-3s, Vitamin D, B12, protein, calcium, and iron, boost mood, energy, brain function, heart health, and bone strength, while providing sustained fullness, making you feel satisfied and uplifted. This nutrient density combats deficiencies that can cause low mood or fatigue, leading to a positive feeling of well-being.
Scombroid Fish Poisoning
This including mackerel, tuna, king fish, herring, sardines, marlin, anchovies and bluefish. Affected fish often have a metallic or peppery taste. Scombroid poisoning symptoms usually start within 30 minutes of eating.
Sardines in water VS oil: which one is better? Sardines in olive oil taste better - arguably. Sardines in water have roughly half as much fat, but the amount of saturated fat isn't a lot higher in olive oil-packed sardines. In other words sardines in olive oil have more fat, but it's the good stuff.
Sardines are an excellent source of calcium, vitamin D, potassium, magnesium, zinc, and iron. In addition, sardines are also packed with protein, which is essential for building healthy bones and maintaining muscle mass. Tuna. Tuna is rich in potassium, which can help lower blood pressure.
While canned salmon is lauded for its rich texture and subtle sweetness, the liquid in the package may have a fish-forward scent that not everyone enjoys. Fortunately, draining and rinsing the fish reduces this scent, allowing you to focus on the sheer deliciousness of the salmon.
Not only are the guts removed before being canned, the bones have been softened by the cooking process which makes them edible as well.
Because sardines contain purines, which break down into uric acid, they aren't a good choice for those at risk of kidney stone formation. The high sodium in sardines can also increase calcium in your urine, which is another risk factor for kidney stones. Some people are allergic to fish, including sardines.
California's Proposition 65 requires that we include a warning label on products that may contain certain chemicals, including lead, even when the amount is naturally occurring. Sardines, like many ocean fish, contain trace amounts of lead because it is naturally present in the ocean.
Cardiologists generally advise avoiding processed meats, sugary drinks and sweets, and foods high in trans fats and sodium, like most fried foods and salty snacks, because they raise bad cholesterol, blood pressure, and inflammation, significantly increasing heart disease risk. Focusing on whole foods and limiting these culprits is key for heart health.
A peanut butter and jelly sandwich (PB&J) adds about 33 minutes to your healthy lifespan per serving, according to a University of Michigan study that measured life expectancy impacts of over 5,850 foods using the Health Nutritional Index (HNI). This sandwich tops the list for adding time, with nuts and seeds also being highly beneficial (around 25 mins) and processed items like hot dogs subtracting time.
These foods include:
These non-game fish are the ugly, sucker-mouthed, snaggle-toothed, mottled menagerie of undesirables which includes suckers, gar, bowfin, snakehead, carp, buffalo, freshwater drum, and many others.
Oily fish – such as salmon and sardines – is also particularly high in long-chain omega-3 fatty acids, which can help to keep your heart healthy. Most of us should have more fish in our diet, including more oily fish. There is different advice for women who are pregnant or breastfeeding, and children and babies.
Top 10 Foods for Health