Latest evidence update: 2026-04-23
Strongest in Sample size (95). Held back by Recency (47).
Solid mix of RCTs with some methodological gaps.
Good cross-study replication, some imprecision.
Tens of thousands of participants pooled across studies.
Mostly aligned, with some divergence.
Evidence base skews older; field may have moved on.
Effect-size tagged on 206 of 214 claims for this food. Our research updates daily; remaining claims are pending re-processing.
Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.
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Reduced salt intake decreased the risk for all-cause mortality in normotensive participants.
Salt restriction diet significantly improves creatinine clearance rate (CrCl) in diabetic nephropathy patients.
By 2005, iodine nutrition status in pregnant women in Africa showed improvement following salt iodization programs, with pooled median urinary iodine concentration of 174.1 μg/L.
Multiple micronutrient fortified salt improves serum folate levels.
Other calcium salts supplementation decreases dry matter intake in dairy cattle.