Portfolio diet, a largely plant-based diet, focuses on diverse foods and food groups proven to lower harmful blood lipids, including LDL (also called bad cholesterol) and triglycerides. It includes plant-based proteins such as soy, beans, tofu, peas, nuts, and seeds, high-fibre foods, and plant-based oils high in monounsaturated fat such as olive oil, avocado oil, and peanut oil.