How Omega-3s, Magnesium, and Fiber Could Protect Your Heart

Heart disease remains the top cause of death in the U.S., claiming over 700,000 lives in 2022 alone. That’s one in every five deaths—or one person every 33 seconds. Yet certain nutrients, from omega-3s to magnesium, may help lower the risk of cardiovascular problems. A diet rich in seafood has long been linked to better heart health. Studies show that omega-3 fatty acids, found in fatty fish, can reduce the risk of strokes and heart disease. These same benefits can also be gained through supplements.

Fibre plays a key role as well. Eating plenty of it may cut blood cholesterol, ease inflammation, and lower blood pressure. Meanwhile, magnesium helps keep heartbeats steady and blood pressure in check—low levels can even trigger palpitations. Other supplements offer support too. Coenzyme Q10 (CoQ10), an antioxidant, has been shown to improve heart function and reduce blood pressure. Folic acid, when paired with vitamins B6 and B12, helps control homocysteine—a compound linked to heart disease risk. The CDC advises 400 micrograms of folic acid daily for those who might become pregnant, though the nutrient benefits heart health more broadly.

With heart disease affecting nearly all demographics, dietary and supplement choices could make a difference. Omega-3s, fibre, magnesium, and CoQ10 have all been tied to better cardiovascular outcomes. For many, small changes in nutrition may help lower risks over time.