Probiotics may reduce blood pressure

Aug 02 2014, 11:28 IST
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Eight of the nine studies found reductions in blood pressure after consuming probiotics. Eight of the nine studies found reductions in blood pressure after consuming probiotics.
SummaryConsuming probiotics has a small but significant effect in lowering blood pressure...

Consuming probiotics has a small but significant effect in lowering blood pressure, a large review of studies has found. Researchers reviewed nine randomised trials with a total of 543 participants.

All included adults older than 18 who used probiotic products with live bacteria. The studies tested various probiotics in varying amounts, mostly strains of Lactobacillus consumed in dairy products.

Eight of the nine studies found reductions in blood pressure. Over all, compared with control groups, the use of probiotics reduced systolic blood pressure (the top number) by an average of 3.56 millimetres of mercury and diastolic pressure by 2.38.

These are modest reductions, but the scientists suggest that there is a potential for greater effect when blood pressure is elevated to begin with, when multiple species or large quantities of bacteria are consumed or when probiotics are used for longer than two months. The analysis was published in the journal Hypertension.

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