Fish is widely valued as one of the best foods for optimising heart health. Loaded with a good-quality, complete protein source, healthy omega-3 fatty acids, vitamin D, and other vital nutrients, fish can add value to a wholesome meal plan. The American Heart Association recommends having fish rich in healthy unsaturated fatty acids at least two servings a week. Moreover, studies also reveal that eating the right type of fish may reduce triglyceride levels, control blood pressure, and improve overall cardiovascular health.
But are all fish equally good for the heart? Which varieties should you add, how often should you eat them, and are there any side effects? Explore this article to learn more about heart health benefits, healthy ways to add them, and precautions to follow.
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Are Fish Good for Heart Health?
Fish are the best choice of food for enhancing cardiac health, especially oily fish loaded with omega-3 fatty acids. The goodness of healthy fatty acids including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), play a vital role in supporting heart health and cardiac function.
Thus, adding fish in a well-planned and balanced diet plan may help lower high triglyceride levels, regulate blood pressure and support normal heart health. Restricting intake of foods high in saturated fat, like processed meats, alongside fatty fish may improve nutritional content and quality of your diet regimen.
Also Read: Heart Health: 5 Best Supplements To Optimise Cardiac Function And Overall Well-being
Note: Adding fish alone cannot avert cardiovascular disease, but its advantages are highest when combined with a healthy lifestyle that includes regular exercise, better sleep, quitting smoking and a wholesome diet.
Heart Health Benefits of Eating Fish
Lowers Triglyceride Levels
Fatty fish are an impressive source of omega-3 fatty acids, which can help reduce high triglyceride levels. High triglyceride levels are associated with an increased risk of cardiovascular problems, particularly when accompanied by other risk factors.
Including fish such as sardines, salmon, and mackerel in your diet may help maintain lipid profiles.
Regulates Blood Pressure
Studies have proven that omega-3 fatty acids may help control blood pressure in a few people. Fish also provides protein and essential nutrients that contribute to a balanced diet. For better hypertension management, combine fish with fresh vegetables, fruits, whole grains, pulses and other processed foods while restricting excess salt.
Anti-Inflammatory Effects
EPA and DHA in fatty fish exhibit potent anti-inflammatory effects in the body. Chronic inflammation is related to long-term health conditions, including cardiovascular disease and diabetes.
Including omega-3-rich fish as part of a balanced diet helps remarkably improve the uptake of these beneficial fatty acids.
Supports Heart Function
Fish offers good quality protein and other key nutrients like vitamin B12, D, selenium and iodine, based on the type. These heart-friendly nutrients play a key role in normal cell function, including that of heart cells and lower the risk of heart disease.
Provides High-Quality Protein
Fish is a complete source of protein supplying all nine essential amino acids required by the body. Protein supports maintaining muscle mass, promotes tissue repair and keeps you satiated.
Choose grilled, steamed or lightly cooked fish, as these cooking options can provide benefits without adding excessive saturated fat or calories.
Which Fish Are Best for Heart Health?
Fatty fish are beneficial as they are a more abundant source of EPA and DHA than other lean fish varieties.
Indian sardines (mathi or chaala) are an affordable source of omega-3 fatty acids and protein.
Indian mackerel (bangda or ayala) offers omega-3 fats, protein and vitamin B12.
Salmon is rich in EPA, DHA, and high-quality protein.
Herring (koy or muran fish ) contains beneficial omega-3 fatty acids and vitamin B12.
Sardines and Indian mackerel are considered the best and practical options when readily available and affordable. Choose a variety of fish rather than relying on a single type.
How Often Should You Eat Fish for Heart Health?
For most adults, the recommended intake is about two servings of fish per week, with at least one serving of oily fish. A typical serving is approximately 100–120 grams of cooked fish.
Also Read: Heart Healthy Foods: 6 Science-Backed Diet Plans That Augment Cardiac Health
Choose a healthy version of cooking such as grilled, steamed, baked or curried with minimal oil. For those with cardiovascular disease, high triglycerides or other medical conditions, follow your healthcare provider's advice on diet and treatment plan.
Side Effects
Certain varieties of fish contain higher levels of mercury, which can harm the nervous system in the neonate and newborns. Pregnant women, breastfeeding mothers, and young children should be cautious about fish choices.
Prefer a variety of lower-mercury fish and limit high-mercury species according to local food-safety guidance.
Fish is a common food allergen. Those with a fish allergy may experience itching, hives, swelling, vomiting or breathing difficulties after eating it. Severe allergic reactions require emergency medical attention.
Excess intake of smoked, salted, dried or heavily processed fish contains considerable amounts of sodium. Too much salt can lead to high blood pressure, so choose fresh fish more often and limit salted preparations.
Raw, undercooked or improperly stored fish may contain harmful microorganisms. Make sure you buy from trusted sources, refrigerate it properly, and thoroughly cook it.
Who Should Be Careful When Eating Fish?
Pregnant women and children should be cautious and choose low mercury varieties and follow appropriate food-safety guidance.
Those with fish allergies should seek medical advice about other safe alternatives.
Hypertensive patients should limit heavily salted, dried and processed fish varieties.
Fish vs Fish Oil Supplements: Which Is Better for Heart Health?
For most people whose dietary preference allows eating fish, it’s the first choice as it offers complete protein and numerous other key nutrients alongside omega-3 fatty acids.
On the other hand, fish oil supplement contains concentrated amount of omega-3 fatty acids, but not a direct substitute for a wholesome diet. Prescription omega-3 supplements may be recommended for a few people with very high triglyceride levels. High-dose supplements can have side effects and may increase the risk of atrial fibrillation in some people.
Speak with a healthcare provider before starting omega-3 supplements, especially if you have a heart condition or take regular medication.
Conclusion
Fish can be an excellent and valued addition to a heart-healthy diet, especially oily varieties such as sardines and Indian mackerel. Its omega-3 fatty acids, high-quality protein, and essential nutrients help support cardiovascular health.
For the best results, aim for around two servings of fish per week, favour lower-mercury varieties and choose healthy cooking methods.
Frequently Asked Questions
Which fish is best for heart health?
Oily fish such as sardines, Indian mackerel, salmon and herring are excellent choices because they provide omega-3 fatty acids that support cardiovascular health.
Can eating fish help lower cholesterol?
Fish can improve dietary fat quality when it replaces foods high in saturated fat. Omega-3 fatty acids mainly help lower triglycerides; fish does not reliably lower LDL cholesterol in everyone.
Is fried fish good for the heart?
Occasionally eating lightly fried fish can fit into a balanced diet, but grilled, steamed or baked fish is generally a better choice because it requires less oil.
Can people with heart disease eat fish?
Yes, fish can be part of a heart-healthy diet for many people with heart disease. However, dietary choices should complement prescribed treatment and advice from their healthcare professional.
References:
https://pmc.ncbi.nlm.nih.gov/articles/PMC7468748/
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