Table S2. Understanding food-label claims.

Food-label claims	What they mean
Sodium-free/no sodium	Less than 5 mg of sodium /serving and no sodium chloride in ingredients
Very low sodium	35 mg or less sodium/serving
Low sodium	140 mg or less sodium/serving
Reduced sodium/less sodium	At least 25% less sodium/serving than the regular food product
Unsalted, no salt added	No artificial salt added, but product may contain natural sodium as part of the product