Does the TLC Diet Still Work for Lowering Cholesterol Today?

The TLC diet was created by the National Institutes of Health to help people lower bad cholesterol without medication. It focuses on reducing saturated fats, trans fats, and dietary cholesterol while promoting fibre-rich foods. Recent studies, however, question some of its long-standing recommendations. The diet encourages foods like beans, lentils, eggs, fruits, and vegetables. It also includes lean meats, seafood, whole grains, and unsaturated fats. To lower cholesterol, it advises increasing fibre intake, even through supplements if needed.

The plan restricts foods high in saturated fat, cholesterol, and calories. These include fatty red meat, full-fat dairy, processed meats, and sugary foods. It also limits egg consumption to a maximum of two per week.

The recommended daily calorie intake is 1,000 to 1,200 for women and 1,200 to 1,600 for men. Nutritionist Devon Peart, RD, MHSc, BASc, considers these targets too low. She also warns that high-carbohydrate diets, especially those rich in refined carbs and sugars, can harm heart health.

Research shows the TLC diet, combined with exercise and weight loss, can reduce cholesterol by 25% to 30%. This effect is comparable to medication. However, recent findings suggest dietary cholesterol has little impact on blood cholesterol or heart-disease risk, making the diet’s restriction on eggs and similar foods outdated. The TLC diet remains a structured approach to lowering cholesterol through food choices and lifestyle changes. Its effectiveness is supported by studies, but some recommendations, like strict cholesterol limits, may need revisiting. Experts also caution against overly restrictive calorie targets and high refined-carb intake.