Researchers from the journal Hypertension: Journal of the American Heart Association have shown that in a "proof of concept" study, the use of beetroot juice can significantly lower blood pressure. They speculate that this is due to increased inorganic nitrite ingestion leading to an increase blood level and tissue level of nitric oxide.
It's still much too early to begin prescribing this therapy for patients. However, given that many patients suffer from difficult to control BP, a simple change in diet to include foods high in inorganic nitrites may be shown to be helpful in the future.
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