Starting a low sodium diet comes down to one core shift: cooking more at home and learning to spot sodium in packaged foods. More than 75% of the sodium Americans consume comes from processed and restaurant foods, not the salt shaker on the table. The WHO recommends adults stay under 2,000 mg of sodium per day (just under a teaspoon of salt), and dropping to 1,500 mg lowers blood pressure even further. Most Americans eat well over 3,400 mg daily, so there’s a lot of room to improve without overhauling your entire life.
Set a Daily Sodium Target
The two most common targets are 2,300 mg and 1,500 mg per day. The 2,300 mg level is the standard recommendation used in the DASH eating plan developed by the National Institutes of Health. The 1,500 mg level is for people who want a bigger effect on blood pressure, or who already have hypertension. Pick one as your starting point. If you’re currently eating a typical American diet, even getting below 2,300 mg will be a meaningful change.
You don’t need to hit your target on day one. A gradual reduction over several weeks is more sustainable, and research shows your taste buds will adjust. In one study, sodium in white bread was reduced by 25% over six weeks and consumers generally couldn’t notice a difference in flavor. Your palate recalibrates faster than you’d expect.
Learn to Read Sodium Labels
The Nutrition Facts panel lists sodium in milligrams per serving, along with a Percent Daily Value (%DV). A quick rule: 5% DV or less per serving is low sodium, and 20% DV or higher is a lot. That single number is the fastest way to compare products in a grocery aisle without doing mental math.
Food packaging also uses specific claims that are regulated by the FDA, but some are misleading if you don’t know the definitions:
- Sodium-free: less than 5 mg per serving
- Very low sodium: 35 mg or less per serving
- Low sodium: 140 mg or less per serving
- Reduced sodium: 25% less than the original version, which may still be very high
- Light in sodium or lightly salted: at least 50% less than the original, though that can still be substantial
- No salt added or unsalted: no salt was added during processing, but the food itself may naturally contain sodium
“Reduced sodium” is the one that trips people up most often. A can of soup that originally had 900 mg per serving might have 675 mg in its reduced-sodium version. That’s still nearly a third of a 2,000 mg daily limit in a single bowl.
Identify the Biggest Sodium Sources
Most people assume the salt they add while cooking is the problem. It’s not. The real drivers are the packaged and prepared foods you eat throughout the day, many of which don’t even taste particularly salty. Bread and rolls are one of the top sources of sodium in the American diet simply because people eat them so frequently. A single slice can carry 100 to 200 mg.
Other common high-sodium foods include canned soups and stews, deli meats and cheeses, frozen meals, condiments like soy sauce and barbecue sauce, snack foods like pretzels and chips, packaged baking mixes, and seasoned rice or pasta mixes. Even pantry staples like pasta sauce and canned vegetables can be significant contributors. The strategy isn’t to eliminate all of these at once. It’s to identify which ones you eat most often and find lower-sodium versions or alternatives.
Cook More at Home
Home-cooked meals contain roughly 1,519 mg of sodium per 1,000 calories on average. Fast-food meals contain about 1,848 mg per 1,000 calories, and sit-down restaurant meals hit roughly 2,090 mg. That means a restaurant dinner can deliver 35 to 40% more sodium per calorie than the same type of food you’d make at home, simply because of how restaurants season and prepare dishes.
When you cook at home, you control every pinch of salt. Start by cutting the salt called for in recipes by half. Most baked goods, soups, and sauces work fine with less. Use fresh or frozen vegetables instead of canned (or buy the “no salt added” canned versions). Choose fresh meats over deli meats, sausages, or anything cured or smoked. Rinse canned beans and vegetables under running water, which can wash away a significant portion of the added sodium.
Replace Salt With Flavor, Not Blandness
The biggest reason people quit a low sodium diet is that food tastes flat. The fix is building flavor through other ingredients. Acids are your best friend: a squeeze of lemon juice, a splash of vinegar, or a spoonful of tomato paste can wake up a dish the way salt does. Fresh herbs like cilantro, basil, and parsley add brightness. Dried spices, particularly cumin, smoked paprika, and black pepper, add depth.
Ingredients that deliver umami (a savory, meaty richness) can also compensate for reduced salt. Mushrooms, tomatoes, parmesan in small amounts, and roasted garlic all create a sense of fullness and complexity on the palate. Toasting spices in a dry pan before adding them to a recipe intensifies their flavor. Caramelizing onions brings out natural sweetness that balances dishes. The goal is to make food taste more interesting, not less.
One option you’ll see recommended is potassium-based salt substitutes. These can work for some people, but the National Kidney Foundation warns that anyone with kidney disease should avoid them entirely. Potassium chloride can be more dangerous than sodium for people whose kidneys don’t efficiently clear potassium from the blood. If your kidney function is normal, these substitutes are generally fine in moderation, but they can have a slightly metallic or bitter aftertaste that some people dislike.
Navigate Restaurants Strategically
Eating out is the hardest part of a low sodium diet because you can’t control how food is prepared. Sandwiches, pizza, burgers, chicken dishes, Mexican entrees, and even salads are among the highest-sodium restaurant items. Salads are particularly deceptive: cheese, bacon, croutons, and dressing can push a “healthy” salad well past 1,000 mg.
Chain restaurants with 20 or more locations are required to provide sodium information on request, even if it’s not printed on the menu. Ask for it. When ordering, request sauces and dressings on the side so you control how much you use. Choose grilled over breaded or fried preparations, since coatings and marinades tend to be salt-heavy. Ask if dishes can be prepared with less salt. Some kitchens will accommodate this, particularly for simpler preparations like grilled fish or steamed vegetables.
What to Expect in the First Few Weeks
Reducing sodium lowers blood pressure progressively, not all at once. In a study published in the journal Hypertension, people who switched from high to low sodium intake on a typical American diet saw their systolic blood pressure (the top number) drop about 4.5 points in the first week, increasing to nearly 7 points by week four. For people who already had hypertension at baseline, the drop was larger: roughly 4.5 points at one week and 8.4 points by four weeks. The researchers noted blood pressure was still declining at the four-week mark, suggesting the full benefit takes longer than a month to appear.
Your food will taste different at first. Many people describe meals as bland for the first one to two weeks. This is temporary. As your palate adjusts, you’ll start noticing flavors in food that salt was overpowering before. Foods you used to enjoy may actually start tasting too salty. Most people find this transition takes about three to six weeks, after which the lower sodium level simply becomes the new normal.
A Simple Week-One Action Plan
You don’t need to change everything at once. In your first week, focus on three concrete steps. First, check the sodium content of the five packaged foods you eat most often, whether that’s bread, cereal, canned soup, deli meat, or frozen dinners. Find a lower-sodium option for at least two of them. Second, cook dinner at home at least four nights that week using fresh ingredients and half the salt you’d normally add. Third, swap one seasoning that contains sodium (garlic salt, seasoned salt, soy sauce) for a sodium-free alternative (garlic powder, a spice blend, or a squeeze of citrus).
Track your sodium for a few days using a food diary or app to see where you actually stand. Most people are genuinely surprised by the number. Once you see where your sodium is coming from, the path to cutting it becomes obvious and specific to your own habits rather than generic advice.