A review of 13 studies found supplementing with at least 500mg of vitamin C per day was associated with a significant decrease in bad cholesterol.
Other ways to prevent or reduce blood pressure
As well as cutting down on the amount of salt in your food, the NHS recommends eating a low-fat diet that includes lots of fibre, such as wholegrain rice, bread and pasta, and plenty of fruit and vegetables.
Regularly drinking too much alcohol can raise your blood pressure over time.
So the health body advises: “Staying within the recommended levels is the best way to reduce your risk of developing high blood pressure.