Saturated fat is generally considered unhealthy, as it may contribute to increased levels of low-density lipoprotein (LDL) cholesterol, which is linked to heart disease. Common sources include fatty cuts of meat, full-fat dairy products, and processed foods. Instead of saturated fats, it is often recommended to include healthier unsaturated fats in the diet, such as those from fish, nuts, and olive oil, to promote better heart health.