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22 Jun 2021

Effects of a reduced-sodium added-potassium salt substitute on blood pressure in rural Indian hypertensive patients: a randomized, double-blind, controlled trial

Published in The American Journal of Clinical Nutrition on 30 March 2021, Yu J et al. investigated the effects of salt substitutes on blood pressure in rural Indian hypertensive patients. In this double-blind randomised controlled trial, 502 participants were randomly assigned to receive either regular salt (control group) or the salt substitute (intervention group). The intervention group was advised to replace all home salt use with the salt substitute for 3 months. Blood pressure was measured at baseline, 1 month and 3 months, while 24-hour urine was measured at baseline and 3 months. Participants in the intervention group had significantly lower systolic blood pressure at the end of the 3-month trial compared to the control group. A significant decrease in the sodium to potassium ratio for the intervention group compared to the control group was also observed. Read the full article here.

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