• Beets
Researchers at the Queen Mary University of London found that patients with high blood pressure saw significant improvements in blood pressure from drinking beetroot juice. The study authors concluded that it was the nitrates in the juice that brought down the participants’ blood pressure within just 24 hours.
You can juice your own beets or simply cook and eat the whole root. Beetroot is delicious when roasted or when added to stir-fries and stews. Remember to use caution when handling beets—their deep red color will stain your hands and clothes