Manufacturers add sodium (most commonly in the form of table salt) to many kinds of food and beverage, including things we wouldn’t expect to contain salt, such as sweet-tasting products. To help identify these additives, here is a comprehensive list of sodium-containing ingredients.
Anything with “sodium” or “soda” in the name
Sodium alginate (E401)
Sodium ascorbate (E301, Sodascorbate, Monosodium ascorbate)
Sodium benzoate (E211)
Sodium bicarbonate (E500ii, Baking soda, Bicarb soda, Bicarbonate of sodium)
Sodium bisulfate (E514ii, Sodium hydrogen sulfate)
Sodium bisulfite (E222, sodium hydrogen sulfite)
Sodium carbonate (E500i)
Sodium chloride (table salt)
Sodium citrate (E331, Disodium citrate, Trisodium citrate)
Sodium diacetate (E262)
Sodium erythorbate (E316)
Sodium hydroxide (E524)
Sodium lactate (E325)
Sodium lauryl sulfate (E487, SLS)
Sodium metabisulfite (E223)
Sodium nitrate (E251)
Sodium nitrite (E250)
Sodium phosphate (E339)
Sodium propionate (E281)
Sodium saccharin (E954)
Monosodium glutamate (E621, MSG, Sodium glutamate)
Disodium guanylate (E627, GMP)
Disodium inosinate (E631, IMP)
Disodium phosphate (E339)
Trisodium phosphate (E339, TSP)
Anything with “salt” or “sel” in the name
Andean pink salt
Black salt
Celery salt
Celtic salt (Sel gris)
Curing salt
Flake salt
Flavored salts
Fleur de sel
Garlic salt
Hawaiian salt (Alaea salt)
Himalayan pink salt (Pink salt)
Kala namak salt
Kosher salt
Maldon salt
Onion salt
Pickling salt
Rock salt
Salt
Sea salt
Seasoning salt
Smoked salt
Truffle salt
Vegetable salt
Ingredients typically high in sodium
Anchovy paste
Baking powder
Bouillon cubes
Brine
Broth
Fish sauce
Lemon Pepper
Masala spice mixes
Meat extract
Oyster sauce
Soy sauce (Soya sauce)
Stock
Worcestershire sauce
Yeast extract
(The above list is based on dozens of sources. Please let me know if you notice any mistakes or omissions. Thank you!)