Best supplements for high blood pressure - the, capsules to prevent hypertension Best supplements for high blood pressure: Add vitamin C to your diet for hypertension SUPPLEMENTS could be used to prevent deadly high blood pressure symptoms, it’s been claimed. You could lower your risk of hypertension signs by adding these cheap capsules your daily diet. Should you speak to a doctor about high blood pressure? High blood pressure is a common condition that affects more than 25 per cent of adults in the UK, according to the NHS. It could be caused by eating an unhealthy diet or by not doing enough regular exercise. The condition, which is also known as hypertension, puts extra stress on blood vessels on vital organs. But you could lower your risk of high blood pressure symptoms by taking vitamin C supplements , it’s been claimed. The vitamin helps to get rid of damaging free radicals, as well as protecting the body’s supply of nitric oxide, ...