Yes—many foods with past dates can be safe if stored well and free of spoilage; infant formula is the key exception.
That little date on a package does a lot of heavy lifting. Some dates point to peak taste. Others mark a hard stop for safety. The trick is knowing which is which, then using storage know-how and common-sense checks to decide what stays and what goes. This guide lays it out in plain language, so you can waste less and eat with confidence.
What Date Labels Really Mean
In the United States, most date stamps are about quality, not safety. Regulators recommend clear wording to ease confusion, with one big carve-out: infant formula follows strict shelf-life rules. The quick table below decodes the labels you’ll see on shelves.
| Label On Package | What It Means | Can You Eat After Date? |
|---|---|---|
| “Best If Used By” / “Best By” | Peak flavor/texture window set by the maker. | Yes, if stored correctly and no spoilage signs. |
| “Use By” | Last day of peak quality; often on chilled foods. | Often yes, if handled cold and still sound; check closely. |
| “Sell By” | Stock-rotation date for stores, not a safety cutoff. | Yes, when kept cold and used soon after purchase. |
| No Date | Not unusual for many shelf-stable goods. | Follow storage guidance and sensory checks. |
| Infant Formula Date | Regulated shelf-life; nutrient levels must hold through date. | No; do not use once past the labeled date. |
Federal guidance backs this reading: foods that pass a “Best If Used By” date can still be wholesome if no spoilage is present and storage has been solid (FSIS food product dating). For storage times by food type, the government’s handy chart lists safe windows for the fridge and freezer (FDA refrigerator & freezer time chart).
Eating Past-Date Food Safely: Rules That Matter
A date alone rarely answers the whole question. Use this simple three-step screen before you plate anything that’s past its printed day.
Step 1: Read The Label Type
Match the stamp to the table above. If it’s “Best By,” you’re looking at taste and texture guidance. “Use By” still tilts toward quality in most cases, but it appears more on chilled items that lose freshness faster. “Sell By” tells a grocer when to pull stock. The infant formula case is different: pass the date and it’s out.
Step 2: Check Storage And Time
Safety hinges on temperature control. Perishable foods need refrigeration at 40°F (4°C) or colder. Warmth speeds bacterial growth, so time out on the counter matters. Leftovers from a meal should go into the fridge within two hours—one hour if the room is hot—and be eaten within 3–4 days, or frozen for later (CDC guidance on leftovers). For a wide range of items—meat, dairy, deli goods, and more—the FDA chart linked above lists safe windows.
Step 3: Look, Smell, And Handle With Care
Sensory checks help catch obvious spoilage: slime, mold (on items where mold doesn’t belong), gas-swollen packaging, spurting cans, or sharp off-odors. That said, not all risks come with a warning smell. When storage time is past the safe window for that food, the safer move is to discard—even if it looks fine.
Why So Much Confusion Around Dates?
Manufacturers set most dates to signal peak eating quality. That’s why two brands of the same item can carry different spans. This variation fuels waste when shoppers treat every stamp like a safety deadline. Agencies have pushed for simple, uniform wording to cut that waste and boost clarity on labels (FDA/USDA date-labeling update).
When You Should Toss It
Past the date isn’t the only red flag. Some signs or situations call for the bin, no debate:
- Swollen, leaking, or rusted cans: discard on sight; botulism risk isn’t worth testing.
- Soft cheeses with mold not part of the style: toss; spores spread through the cheese.
- Lunch meats with a slick film or sour smell: discard; they support rapid growth once opened.
- Cooked rice or pasta past the fridge window: bin it; time and warmth can invite toxins.
- Any perishable left out beyond two hours (one hour in heat): throw it away; reheating can’t always fix it.
- Infant formula past the printed date: do not use; nutrient levels and safety are date-bound.
Not sure about a borderline item? If it’s a high-risk food—cooked meat, seafood, dairy, eggs—err on caution. Dry goods, whole fruits, and many condiments give you more wiggle room, but storage conditions still matter.
Safe Windows After Purchase Or Opening
Here’s a practical grid you can use day-to-day. These spans assume prompt refrigeration at 40°F (4°C) or colder. When freezing, quality holds best within the listed months, while safety can extend longer if the food stays frozen solid.
| Food | Fridge Time | Freezer Time |
|---|---|---|
| Leftovers (cooked meat, stews, casseroles) | 3–4 days | 2–3 months |
| Cooked Poultry | 3–4 days | 2–6 months |
| Ground Meat (raw) | 1–2 days | 3–4 months |
| Steaks/Chops (raw) | 3–5 days | 4–12 months |
| Fish (raw) | 1–2 days | 2–8 months (lean vs. fatty) |
| Milk (opened) | About a week | Not advised; quality suffers |
| Yogurt (opened) | 5–7 days | 1–2 months |
| Deli Meats (opened) | 3–5 days | 1–2 months |
| Hard Cheese (block) | 3–4 weeks | 6–8 months |
| Eggs (in shell) | 3–5 weeks | Not needed; shells don’t freeze well |
| Broth/Stock (opened) | 3–4 days | 2–3 months |
| Mayonnaise (opened) | 2 months | Not advised |
These spans align with the federal storage chart and agency leftovers guidance linked earlier. When a brand gives a shorter window on the label, follow that.
How To Judge Shelf-Stable Foods Past The Date
Pantry items can last far beyond a stamped day, provided the package is sound and storage is cool and dry. Here’s how to approach common cases:
Canned Goods
Low-acid cans (beans, meats) can hold quality for years; high-acid items (tomatoes, fruit) fade sooner. Any can that’s bulging, badly dented at seams, spurting, or leaking goes straight to the trash.
Dry Pasta, Rice, And Grains
These are low-moisture foods. If the bag or box is intact and there’s no sign of pests or off smells, they’re usually fine long past a “Best By.”
Baking Mixes And Flour
Quality slips over time. Whole-grain flours turn rancid faster. A cool pantry—or the freezer for long storage—keeps flavor in line.
Oils And Nut Butters
Fats oxidize. Rancid oil smells like old paint or putty. If you catch that note, discard.
Leftovers: Safe Handling From Plate To Fridge
Good habits extend your safety window and cut waste:
- Chill fast: move food to shallow containers; refrigerate within two hours (one hour in heat).
- Set your fridge: 40°F (4°C) or colder; use a thermometer.
- Reheat right: bring leftovers to 165°F (74°C) in the center; stir or rotate to avoid cold spots.
- Label and date: a strip of tape keeps you from guessing.
- Freeze in meal-size packs: thaw in the fridge, not on the counter.
The FSIS leftovers guide covers cooking temps, quick chilling, and reheating targets in clear terms (FSIS leftovers basics).
Who Should Be Extra Careful
Certain groups face higher stakes with foodborne illness: older adults, pregnant people, young children, and anyone with a weakened immune system. If that’s you or a family member, lean toward strict storage times, avoid raw sprouts and undercooked animal foods, and skip any borderline items.
Smart Shopping And Storage To Minimize Waste
Planning and a little kitchen routine can keep more food in the “safe to eat” column:
Buy What You’ll Use
Grab shorter-dated packs only if you’ll cook them soon. For bulk buys, portion and freeze right after you get home.
Use First In, First Out
Park newer items behind older ones. A tidy fridge helps you see what you have so you eat it on time.
Lean On A Trusted Reference
The government’s storage guide and mobile app list times by food type and storage method; both are easy to keep on hand (FoodKeeper app).
Myth Busting: Common Claims About “Expired” Food
“If It Smells Fine, It’s Safe.”
Not always. Some pathogens grow without strong odors. Use smell as one tool, not the only one. Time and temperature still rule.
“Freezing Kills All Germs.”
Freezing halts growth but doesn’t kill everything. Thaw in the fridge and cook to proper temps.
“Canned Food Lasts Forever.”
Quality drops over time, and damaged cans raise real risks. Inspect each can before opening.
Quick Decision Tree For Past-Date Items
- Identify the label: Best By / Use By / Sell By / none / infant formula.
- Confirm storage: Has it stayed cold (or shelf-stable and dry)? Any time in the danger zone?
- Check the safe window: Look up the item in a trusted chart or app.
- Inspect: package soundness, texture, color, odor.
- Decide: Eat, cook now, freeze, or discard.
Takeaway On Past-Date Eating
Date stamps guide quality. Safety depends on storage, time, and condition. Many foods still pass the test after the printed day, and a few do not—infant formula sits in that no-go camp. With a cold fridge, quick chilling, and a habit of checking trusted charts, you’ll trim waste and keep meals safe.