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6 min read<\/p>\n6 min read<\/p>\n
As a dietitian, I\u2019ve seen firsthand how small changes to your eating habits can pay off in a big way. When my mom, who has always been active and followed a healthy dietary pattern, learned that her LDL (aka \u201cbad\u201d) cholesterol was creeping up, I wanted to help her find a food-based solution she would actually enjoy. Together, we set out to find something simple, heart-healthy, and realistic for her busy lifestyle. After I conveyed the science-backed upsides of tinned fish, she tried eating sardines three times a week for six months to see if she could reap the heart-health<\/a> benefits. Here\u2019s what happened to her mind, body, and cholesterol.<\/p>\n What happened when she ate sardines every day?<\/p>\n My mom and I were drawn to sardines because they\u2019re a concentrated source of omega-3 fatty acids and protein, which is exactly what she wanted to help with her cholesterol and keep her feeling full. As someone who prefers quick, easy meals, she appreciated that sardines required no preparation: Just open a can, drain, and eat.<\/p>\n We decided to lean on Fishwife, a brand of tinned sardines I absolutely love because they\u2019re high-quality and come in fun varieties like \u201csardines in preserved lemon\u201d and \u201csardines with hot pepper.\u201d At first, I wasn\u2019t sure how she\u2019d feel about it (sardines can be a bit polarizing), but to my surprise, she genuinely enjoyed them. She started eating them straight from the can a few times a week, and they quickly became a staple in her diet.<\/p>\n The changes my mom experienced went beyond just the lab results, although those were certainly the headline. Her LDL cholesterol dropped over 6 months of eating a serving at least 3 times per week\u2014enough that her doctor, who had been exploring the possibility of a statin, gave her the all-clear. It was a huge relief for her, especially since she wanted to manage her heart health through diet if possible. But what kept her eating them wasn\u2019t just the numbers; it was how she felt.<\/p>\n She noticed that on days she ate sardines with her lunch, she felt fuller for much longer compared to her usual light lunch. As a self-proclaimed \u201clazy eater,\u201d she loved that she didn\u2019t have to cook anything. She could just open a can, drain it, grab a fork, and have a high-protein meal ready in seconds. This convenience made it much harder for her to skip meals or grab less nutritious options when she was busy.<\/p>\n Sardine nutrition<\/p>\n Sardines are a nutritional powerhouse packed into a tiny tin. While nutrition can vary slightly by brand and preparation, tinned sardines typically offer a concentrated source of vital nutrients. Specifically looking at the profile of Fishwife<\/a> sardines packed with preserved lemon, here is what you are getting in a single serving (84 grams): <\/p>\n Calories: 200Protein: 18 gramsFat: 14 gramsSaturated Fat: 3 gramsCholesterol: 35 mgCarbohydrate: 0 gramsVitamin D: 4 mcgCalcium: 260 mgIron: 1.8 mg<\/p>\n Sardines are also a source of many other nutrients, like choline, selenium, and those ever-important omega-3 fatty acids.<\/p>\n Benefits of eating sardines<\/p>\n There are some noteworthy benefits of eating sardines beyond heart health support. Here are some that may convince you to add them to your rotation, too. <\/p>\n Heart health support<\/p>\n The most well-researched benefit of sardines is their impact on cardiovascular health. They are one of the best sources of omega-3 fatty acids, specifically eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). These fatty acids<\/a> are shown to help lower triglyceride levels, reduce the risk of arrhythmias (irregular heartbeats), and slow the buildup of plaque in the arteries. This is speculation, but it is perhaps the mechanism that helped my mom lower her LDL levels.<\/p>\n To emphasize just how impactful these nutrients are, omega-3s have anti-inflammatory properties that protect the blood vessels<\/a>. Chronic inflammation is a key driver of heart disease<\/a>, and consuming fatty fish like sardines regularly may help dampen this inflammatory response. The American Heart Association<\/a> recommends eating fatty fish at least twice a week, and sardines are an efficient, low-mercury way to hit that target.<\/p>\n Bone health support<\/p>\n If you are choosing ones with their bones intact, which soften during the process and are completely edible, sardines provide a significant amount of calcium. This is vital for maintaining bone density and preventing osteoporosis, especially in post-menopausal women. Even if you are choosing de-boned varieties, like Fishwife, you still get a calcium boost, just not as much as when you actually eat the calcium-packed bones.<\/p>\n In addition to calcium, sardines are one of the few natural food sources of vitamin D<\/a>. Calcium cannot be properly absorbed by the body without vitamin D<\/a>. This natural pairing makes sardines a \u201csynergistic\u201d food for bone health, delivering both the building blocks and the activation key needed to keep your skeleton strong.<\/p>\n Brain health support<\/p>\n Sardines are a brain health-supporting powerhouse, thanks to their high content of omega-3 fatty acids, particularly DHA, which is a critical building block of the brain, making up a significant portion of the brain\u2019s structure and playing a key role in maintaining healthy brain cells. Studies have shown that omega-3s<\/a> intake is linked to cognitive function support, better memory, and even reduced risk of age-related cognitive decline, such as Alzheimer\u2019s disease. <\/p>\n In addition to omega-3s, sardines are a source of vitamin B12<\/a>, which is essential for producing neurotransmitters that help your brain communicate effectively. Sardines also contain selenium, an antioxidant that protects brain cells from oxidative stress<\/a>, which may contribute to cognitive decline over time. <\/p>\n Eye health support<\/p>\n The omega-3 DHA found in sardines is a structural component of the retina<\/a>, the light-sensitive tissue at the back of the eye that is essential for vision. In some studies, consuming omega-3s has been shown to reduce the risk<\/a> of age-related macular degeneration (AMD), a leading cause of vision loss in older adults. Omega-3s also help maintain the health of the tear film<\/a>, reducing the risk of dry eye syndrome, a common condition that can cause discomfort and blurry vision.<\/p>\n In addition to omega-3s, vitamin D and selenium play a role in protecting eye health. Vitamin D has been linked to a reduced risk of AMD<\/a> and may help combat inflammation in the eyes. Selenium<\/a>, on the other hand, acts as an antioxidant, protecting the eyes from oxidative stress caused by free radicals, which can damage cells in the retina over time. <\/p>\n Who should avoid sardines?<\/p>\n While sardines are a superfood for many, they aren\u2019t suitable for everyone. People with gout or kidney stones specifically caused by uric acid should be cautious. Sardines are high in purines, natural substances that break down into uric acid in the body. Excess uric acid may crystallize in the joints, triggering a painful gout attack. If you have a history of gout, you may need to limit your intake or consult your doctor.<\/p>\n Additionally, tinned sardines can be high in sodium, especially those packed in brine, tomato sauce, or flavored oils. If you have high blood pressure or are sodium-sensitive, it is important to read the nutrition label carefully. You can often rinse sardines under water to remove some of the surface sodium, or look for varieties packed in water or plain olive oil with no added salt.<\/p>\n The bottom line<\/p>\n Sardines might be small, but their impact on health is massive. For my mom, they were a simple, delicious tool that helped her manage her cholesterol and even avoid medication. While this may not be the case for everyone, and people should absolutely consult with their healthcare provider to determine if eating sardines is the right choice for them, these tiny fish do offer a rare combination of convenience, affordability, and elite nutrition that is hard to find in other foods.<\/p>\n If you have been hesitant to try them, consider this your sign to grab a tin. Whether you eat them straight from the can like my mom or mash them on toast with avocado, adding sardines to your weekly rotation may be one of the best things you do for your heart and overall health. 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