Key result
Salt substitute lowers daily sodium intake by ~264 mg in hypertensive patients.
Why the study?
Little is known about the dietary intakes of individuals living with hypertension in rural India, including the impact of salt substitutes on sodium intake.
Does a salt substitute reduce sodium intake in hypertensive patients in rural India?
RCT (n=454)
double-blind
randomised
Yes
Does a salt substitute reduce sodium intake in hypertensive patients in rural India?
Mean Difference: -264 (95% CI -442–-85)
The use of a salt substitute (70% NaCl/30% KCl) significantly reduces total sodium intake among hypertensive patients in rural India, a population with generally poor baseline diet quality.
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Supports salt substitution to lower sodium intake in rural Indian hypertension; extends RCT evidence to low-resource settings with poor diet quality.
Thout et al. (2023) conducted an RCT in Hypertension (n=454). Salt substitute (70% sodium chloride/30% potassium chloride) vs. Regular salt (100% sodium chloride) was evaluated on Total sodium intakes (MD -264 mg/day, 95% CI -442 to -85). Replacing regular salt with a salt substitute (70% NaCl/30% KCl) significantly reduced total sodium intake by 264 mg/day (95% CI, -442 to -85) in rural Indian patients with hypertension.
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