Dietary fiber is a key component of heart health because it helps lower LDL cholesterol, improves blood sugar regulation, and supports healthy blood pressure, all of which reduce the risk of cardiovascular disease. Walnuts are an excellent way to increase fiber intake while also providing heart protective nutrients such as polyunsaturated fats, including omega 3s, antioxidants, and plant sterols. Regular walnut consumption has been associated with improved endothelial function, reduced inflammation, and better lipid profiles. Incorporating walnuts into a balanced diet offers a convenient, nutrient dense approach to supporting heart health while boosting daily fiber intake.