Soy and milk proteins may lower blood pressure

In one study, 352 adults with high blood pressure (BP) of 120-159/80-95 mmHg took 40 grams per day of soy protein, milk protein or a carbohydrate placebo, in three 8-week cycles, with three week’s rest in between each phase.

Researchers measured BP twice at the start and end of each phase and found, compared to placebo, systolic BP was 2.0 mmHg lower during the soy protein phase, and 2.3 mmHg lower during the milk protein phase.

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