Evidence supporting the use of: Beet nitrate
For the health condition: Congestive Heart Failure

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Beet nitrate, found in beetroot and beet juice, has been studied for its potential cardiovascular benefits, largely due to its high content of dietary nitrate, which the body can convert to nitric oxide. Nitric oxide acts as a vasodilator, helping to relax blood vessels and improve blood flow. In the context of congestive heart failure (CHF), several small-scale clinical trials and pilot studies have examined whether beet nitrate supplementation can improve exercise capacity and hemodynamics in affected patients. These studies have reported modest improvements in exercise tolerance, oxygen consumption, and peripheral blood flow, likely due to enhanced endothelial function and reduced vascular resistance. For example, a few randomized controlled trials have shown that acute or short-term supplementation with beetroot juice can improve exercise capacity in patients with heart failure with reduced ejection fraction (HFrEF). However, the magnitude of benefit is generally modest, and the studies are limited by small sample sizes, short durations, and variability in patient populations and dosing regimens. Current clinical guidelines do not formally recommend beet nitrate as a standard treatment for CHF. Thus, while there is some scientific evidence supporting the use of beet nitrate for symptom management in CHF, the quality and consistency of the evidence are limited, and more large-scale, long-term studies are needed to establish efficacy and safety.

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