Asparagus (Asparagus officinalis) is a nutrient-dense plant whose root and shoots are highly valued as natural diuretics. It contains high levels of asparagine (an amino acid), steroid saponins, and potassium, which work in synergy to stimulate renal blood flow, increase urine volume, and facilitate the flushing of metabolic wastes and excess sodium from the kidneys. This deep renal flushing helps prevent kidney stone formation and supports blood pressure health.
Educational information only — never stop or change a prescribed medication without talking to your prescriber first.
Generally safe as food. Do not use medicinal doses of asparagus root if you have acute kidney inflammation or severe kidney failure unless supervised by a physician. Ingestion of asparagus spears commonly produces a harmless, sulfurous odor in the urine due to the breakdown of asparagusic acid.
Evidence level: Moderate
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