Monounsaturated fats (MUFAs) lower total cholesterol and LDL cholesterol (the bad cholesterol) while increasing HDL cholesterol (the good cholesterol). Nuts including peanuts, walnuts, almonds and pistachios, avocado, canola and olive oil are high in MUFAs. MUFAs have also been found to help in weight loss, particularly body fat. Click here for more weight loss nutrition tips.