Probiotics May Lower BP

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Probiotics May Lower BP
Probiotics May Lower BP

(HealthDay News) — Regular consumption of probiotics may improve control of blood pressure, according to research published online in Hypertension.

Saman Khalesi, PhD, of Griffith University in Gold Coast, Australia, and colleagues conducted a systematic review of the literature and a meta-analysis of data from nine randomized, controlled trials. The researchers sought to assess the effect of probiotic consumption on blood pressure (BP) control.

The researchers found that, compared with controls, those who consumed probiotics experienced significant reductions in systolic BP (−3.56 mm Hg; 95% CI, −6.46 to −0.66) and diastolic BP (−2.38 mm Hg; 95% CI, −3.84 to −0.93). 

BP reductions were greater for multiple vs. single species of probiotics. Subgroup analysis showed a greater improvement in diastolic BP for those with baseline BP of 130/85 mm Hg or higher compared with less than 130/85 mm Hg. 

No significant reductions in BP were observed for an intervention of less than 8 weeks or a daily dose of probiotics less than 1011 colony-forming units.

"The present meta-analysis suggests that consuming probiotics may improve BP by a modest degree, with a potentially greater effect when baseline BP is elevated, multiple species of probiotics are consumed, the duration of intervention is ≥8 weeks, or daily consumption dose is ≥1011 colony-forming units," the researchers wrote.

Reference

  1. Khalesi S et al. Hypertension. 2014;doi:10.1161/​HYPERTENSIONAHA.114.03469.
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