Even though people urinate out more salt after drinking this mineral water, their blood pressure doesn’t go up — meaning the body’s salt removal system works fine without raising BP.
Evidence Quality Assessment
Claim Status
appropriately stated
Study Design Support
Design supports claim
Appropriate Language Strength
association
Can only show association/correlation
Assessment Explanation
The study used regression to test association, and the claim correctly uses 'not associated' — matching the p-value (p=0.170). No causal language is used, which is appropriate.
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.
Evidence from Studies
Supporting (1)
Blood Pressure Stability and Plasma Aldosterone Reduction: The Effects of a Sodium and Bicarbonate-Rich Water - A Randomized Controlled Intervention Study
People who drank mineral water with lots of sodium didn’t get higher blood pressure, even though their urine had more sodium — so the water didn’t raise their blood pressure like you might expect.