Daily dose of beetroot juice improved endurance and blood pressure

October 2017

General Practitioners

Country of origin: USA

Exercise intolerance -- shortness of breath and fatigue with normal amounts of exertion -- is the primary symptom of HFPEF and is due partly to non-cardiac factors that reduce oxygen delivery to active skeletal muscles. HFPEF is a recently recognized disease that reflects how the left ventricle of the heart pumps with each beat. It occurs primarily in older women and is the dominant form of heart failure, as well as the most rapidly increasing cardiovascular disorder in this country.

Emerging evidence suggests that dietary inorganic nitrate supplementation has beneficial effects on blood pressure control, vascular health, exercise capacity and oxygen metabolism.

The Wake Forest Baptist researchers enrolled 19 people in a double-blinded, randomized safety study to determine which was better at improving exercise intolerance, a single dose or a daily dose of the juice given over multiple days. The beetroot juice used is produced by a company in the United Kingdom and is not commercially available in this country.

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