Australia; VIC; TAS
A small Australian trial has shown that adding a type of high-fibre supplement to people's diets helped reduce their blood pressure by changing their gut bacteria. The study included 20 people who were given food for 3 weeks that either contained the high-fibre supplement, a resistant starch called HAMSAB, or contained a placebo (corn starch or regular flour with no added resistant starches). The group who ate the diet with the resistant starch had a clinically significant drop in their systolic blood pressure. The HAMSAB diet also changed people's gut bacteria, and these changes are likely to be what helped to lower their blood pressure. The authors say this drop in blood pressure is equivalent to taking a blood pressure-lowering drug and could reduce coronary death by 9% and stroke death by 14%.
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