Beetroot.

Beetroot Powder is great for blood pressure by improving blood flow, and has also been shown to boost endurance. It’s also rich in fibre, which helps reduce cholesterol – another vital part of a healthy heart. Beetroot Powder is also full of antioxidants, calcium, iron, potassium, folate and manganese so it’s also great for stamina and recovery from exercise. A daily dose is recommended by the American Heart Association.