New FDA Rule Lets Salt Substitutes Into Bread, Cheese and Ketchup
Picture a Saturday morning in a grocery aisle. A woman is holding a can of green beans and a loaf of sandwich bread, reading the backs of both for her father, who has kidney disease and a doctor’s list of foods to limit.
She has bought these same two items for years without a second look. They were the safe choices.
A federal rule published this month means the recipe behind familiar staples like these could change, with no new warning on the front of the package. For most shoppers that may mean less sodium. For her father, it means the label matters more than it did last week.
Quick answer
The FDA salt substitutes rule, published Oct. 13, 2026, and effective Dec. 14, 2026, lets makers of 139 standardized foods, such as bread, cheddar cheese, ketchup and canned vegetables, replace some or all salt with substitutes like potassium chloride. It is voluntary. Substitutes must appear in the ingredient list, so people limiting potassium should read labels.
Key takeaways
- The FDA published the salt substitutes rule on Oct. 13, 2026; it takes effect Dec. 14, 2026.
- It covers 139 standardized foods, including bread, cheddar cheese, catsup, mayonnaise and canned vegetables.
- Reformulating is voluntary, and the FDA added no new front-of-package warning.
- Potassium chloride must be listed as "potassium chloride" or "potassium salt" in ingredients.
- People limiting potassium for kidney or heart conditions should check labels and ask their doctor.
What did the FDA change on Oct. 13, 2026?
On Oct. 13, 2026, the Food and Drug Administration published a final rule in the Federal Register that lets food makers use salt substitutes in standardized foods. These are foods with a federal “standard of identity,” a legal recipe that spells out what a product called cheddar cheese or ketchup must contain.
Until now, most of those recipes allowed salt but not substitutes. The FDA’s announcement says 139 standards of identity listed salt without permitting a replacement. The rule amends 80 standards directly and covers 59 more through cross-references, for 139 in all.
The rule takes effect Dec. 14, 2026. Using a substitute is optional. The rule says there are no regulatory costs for companies that keep their recipes as they are.
Which foods could start using salt substitutes?
The Federal Register document lists each standard it amends. Here is a sample of everyday groceries on that list.
| Aisle | Standardized foods named in the rule |
|---|---|
| Bakery and pasta | Bread, rolls and buns; macaroni and noodle products; self-rising flour |
| Dairy | Cheddar, Swiss, Colby, provolone, blue and cream cheese; sour cream; eggnog |
| Canned goods | Green beans, corn, peas, tomatoes, mushrooms, applesauce and tuna |
| Condiments and spreads | Catsup, mayonnaise, salad dressing, margarine, fruit butter |
| Sweets and syrups | Milk chocolate, white chocolate, breakfast cocoa, maple syrup |
The rule does not name one required substitute. It defines a salt substitute as a “safe and suitable” ingredient, or mix of ingredients, that replaces some or all of the added salt and does the job salt does in the food.
Why does the FDA want less sodium in packaged food?
The FDA’s consumer page on sodium in your diet says Americans eat about 3,400 milligrams of sodium a day on average. The Dietary Guidelines for Americans, cited in the rule, say people 14 and older should eat less than 2,300 milligrams a day.
Most of that sodium is already in the food when you buy it. The FDA says over 70% comes from packaged and prepared foods, so a salt shaker rule at home only goes so far.
The agency’s reasoning is that less sodium may help lower the risk of high blood pressure, a major risk factor for heart disease and stroke.
Before you buy
Shopping for lower-sodium staples? Check these first:
- Compare sodium per serving on the Nutrition Facts label, not the front-of-package claim.
- Check the serving size, since the numbers apply to one serving only.
- Scan the ingredient list for “potassium chloride” or “potassium salt.”
- Look at the potassium line in milligrams and percent Daily Value.
- If you limit potassium, ask your doctor before switching brands.
The Center for Science in the Public Interest, a nutrition advocacy group, welcomed the rule on Oct. 13. Senior policy scientist Eva Greenthal said:
“Swapping sodium chloride for potassium chloride has immense potential for public health benefit.”
Who should be careful with potassium-based salt substitutes?
Potassium chloride is a common salt substitute, and that is where the caution comes in. Comments filed with the FDA, summarized in the rule, warned that people who must limit potassium because of chronic kidney disease, heart failure or certain medicines could face a higher risk of hyperkalemia, meaning too much potassium in the blood.
When the rule was proposed in 2023, the National Kidney Foundation, the American Association of Kidney Patients and the Academy of Nutrition and Dietetics urged the FDA to drop it, STAT reported.
The worry is bigger than it sounds. The CDC estimates that 14% of U.S. adults, about 37 million people, have chronic kidney disease, and that about 87% of adults with it do not know they have it.
The FDA did not add a warning label. Its answer is that the existing Nutrition Facts label and ingredient list give people the information to follow their own health care professional’s advice. If you have kidney disease, heart failure or take medicine that affects potassium, ask your doctor or a registered dietitian how much potassium is right for you.
How can you tell if a food has a salt substitute?
Read the back of the package, not the front. The rule creates no new labeling requirement, but existing law still applies:
- Ingredient list. Every substitute must be listed by its common or usual name. Potassium chloride must appear as “potassium chloride” or “potassium salt.”
- MSG. If monosodium glutamate is used in place of salt, it must be listed as “monosodium glutamate.”
- Nutrition Facts. The rule notes that a food made with potassium-based ingredients must list potassium on the Nutrition Facts label when a serving has 2% or more of the Daily Value, so you can compare milligrams and percent Daily Value.
For sodium, the FDA’s rule of thumb is that 5% Daily Value or less per serving is low and 20% or more is high. Potassium also shows up in electrolyte drinks and powders, which our guide to what your body actually needs for hydration covers.
When will the new recipes reach store shelves?
Not overnight. The rule is effective Dec. 14, 2026, and companies can reformulate on their own timeline or not at all. The FDA says it received no information on how many foods will be reformulated or which ingredients will be used.
One date is still open. The rule invites objections to its changes for dairy products, such as the cheese standards, through Nov. 12, 2026.
That means a reformulated cheddar or loaf of bread could look exactly like the old one on the shelf. The ingredient list is the only reliable signal.
What should shoppers do now?
- Compare sodium on the Nutrition Facts label when you choose between brands, using the 5% and 20% Daily Value guide.
- Scan ingredient lists for “potassium chloride” or “potassium salt,” especially on staples you buy every week.
- If you limit potassium for medical reasons, recheck familiar products after Dec. 14, even ones you trust.
- Ask your doctor or a registered dietitian before switching to lower-sodium versions if you have kidney or heart conditions.
Back in that grocery aisle, nothing about the can of green beans or the loaf of bread looks different yet. The habit that will protect her father is the one she has already started: turning the package over and reading the ingredient list, every time, even on the brands she knows by heart.
Send us a tip
Spotted “potassium salt” on a staple you have bought for years, like that can of green beans in the grocery aisle? Send us the product, a label question or a story idea, and our editors will look into it.
Frequently asked questions
Is potassium chloride safe to eat?
The rule only allows salt substitutes that are "safe and suitable" ingredients, and potassium chloride has been allowed in non-standardized foods for decades. People who must limit potassium, such as those with chronic kidney disease or heart failure, or who take certain medicines, can be at risk of too much potassium in the blood. Ask your doctor or a registered dietitian what is right for you.
Does the new FDA rule require companies to cut salt?
No. The rule gives makers of standardized foods the option to use salt substitutes. Companies that keep their current recipes face no new requirements.
Will food labels warn me about salt substitutes?
There is no new warning. Existing law requires any salt substitute to be named in the ingredient list, and potassium chloride must be listed as "potassium chloride" or "potassium salt." Potassium also appears on the Nutrition Facts label.
What is a standard of identity?
It is a federal recipe that sets what a food must contain to use a certain name, such as cheddar cheese, mayonnaise or canned tuna. Foods without a standard of identity could already use salt substitutes before this rule.
How much sodium should I eat in a day?
The Dietary Guidelines for Americans say people 14 and older should eat less than 2,300 milligrams of sodium a day. The FDA says Americans average about 3,400 milligrams. Your doctor may set a different target for you.
Sources
- Federal Register: Use of Salt Substitutes To Reduce the Sodium Content in Standardized Foods (final rule, Oct. 13, 2026)
- FDA: FDA Issues Final Rule on Salt Substitutes in Standardized Foods
- FDA: Sodium in Your Diet
- CDC: Chronic Kidney Disease Data and Research
- CSPI: New FDA rule makes it easier for companies to cut sodium
- STAT: Patient advocates warn FDA proposal on salt intake could harm people with kidney disease
By the Trending Consumerism editorial desk (Jane Satchel), edited by Rob P., Editor and Publisher. Every fact in this story links to its source. See our editorial standards and corrections policy.
