Nearly everyone can lower their blood pressure, even people currently on blood pressure- reducing drugs, by lowering their sodium intake, reports a new study from Vanderbilt University Medical Center (VUMC), Northwestern Medicine and the University of Alabama at Birmingham.
Or just replace sodium chloride with potassium chloride https://www.health.harvard.edu/staying-healthy/does-a-low-salt-diet-really-improve-your-health
Low salt requires bland food prepped at home. Changing salt type might actually have a chance at making a dent in BP numbers because it doesn't involve an immediate inconvenience (lack of flavor and convenience) for a long term payoff of less than 10% of a number that's correlated with slightly lower chances of something happening years in the future.