Yes, beef jerky goes bad, just slowly. A sealed bag of regular dry jerky keeps for months, but soft jerky like ours keeps for days out of the fridge, so it pays to know which kind you have.
By Jerky Munch, makers of soft, glatt kosher beef jerky in Jackson, NJ. The USDA and the university extension services quoted here are outside sources, not affiliated with Jerky Munch.
The short version
- USDA says commercially packaged jerky can be kept 12 months. Home-dried jerky gets 1 to 2 months.
- It lasts because most of the moisture is gone. Softer, moister meat has less room for error.
- Our jerky is soft. Eat an opened bag within 7 days. Out of the fridge, it's fine in a cool room for 3 to 5 days.
- To keep it longer, put it in the fridge, then take it out 3 to 4 hours before you serve it.
- Fuzzy spots or a sour smell mean it's done. Throw it out.
How long does beef jerky last?
Months for sealed commercial jerky, weeks for homemade, and days for soft jerky like ours.
The USDA's inspection agency gives one plain number for the store-bought kind.
"Commercially packaged jerky can be kept 12 months; home-dried jerky can be stored 1 to 2 months."
That 12 months is for regular, dry, vacuum-sealed or packaged commercial jerky. It isn't the shelf life of beef jerky in every bag on the shelf, so check the best-by date and the label on yours.
| Type of jerky | How long it keeps | Who says so |
|---|---|---|
| Commercially packaged, unopened | 12 months | USDA FSIS |
| Home-dried | 1 to 2 months | USDA FSIS |
| Homemade, at room temperature | Up to two weeks | Ohio State Extension |
| Homemade, in the fridge | Three to six months | Ohio State Extension |
| Jerky Munch, opened bag | Within 7 days | Our bag label |
| Jerky Munch, out of the fridge in a cool room | 3 to 5 days | Our FAQ |
Why jerky lasts so long, and why soft jerky doesn't
It keeps because the water is gone. The higher the moisture content, the shorter it lasts.
The USDA puts it simply: "Because most of the moisture is removed, it is shelf stable." Drying is what makes jerky last: it has to remove enough water that microorganisms can't grow and spoilage can't start.
Food scientists call the free water in a food its water activity. Low water activity is what makes dry jerky a hostile place for the microorganisms that spoil food.
Our jerky is soft and moist, not chewy and dry. That's why you can bite through it, and it's also why our storage times are counted in days, not months. Drier jerky lasts longer. Softer jerky wins on flavor and texture.
"If it's a "moist" jerky, like a teriyaki or something that hasn't been properly dried, you're basically just storing leftovers in your fridge. A week is fine, two weeks is pushing it."
How long does jerky last after opening?
For our jerky, within 7 days. That's what the back of every bag says.
The USDA chart doesn't give an after-opening time for store-bought jerky. Its column just says N/A, so go by the label on your bag.
Ours reads: "Consume within 7 days after opening. Packet enclosed to keep product fresh." Packets like this in food bags are oxygen absorbers or desiccants. Don't eat it, and leave it in until the bag is empty.
Opened and on the counter, go with 3 to 5 days. Opened and in the fridge, finish it within the 7 days on the bag.
Opened jerky needs more care. Use the resealable top and press it shut, or put it in the fridge. Air and moisture are what wear an opened bag down, and it loses its peak flavor first.
Does beef jerky need to be refrigerated?
Sealed dry jerky doesn't. Soft jerky does, if you want to keep it more than a few days.
Regular dry jerky is shelf-stable, so a sealed bag can sit in the pantry without refrigeration.
Ours is different. Out of the fridge, it's fine at room temperature in a cool room for 3 to 5 days. To keep it longer, put it in the fridge.
Then take it out 3 to 4 hours before you serve it, so it's back at room temperature on the table.
Can you freeze beef jerky?
For homemade jerky, the National Center for Home Food Preservation says: "For best results, to increase shelf life and maintain best flavor and quality, refrigerate or freeze jerky."
Our storage advice covers the counter and the fridge. If you're thinking of freezing a big order, call or WhatsApp us at 732-784-7554 first.
How can you tell if beef jerky has gone bad?
Look, smell, then feel. Fuzz, a sour smell or a slimy surface means throw it out.
- Look: fuzzy or powdery spots, white, green or black, are visible mold. Moldy meat goes in the trash.
- Smell: a sour, musty or rancid smell means the fat has turned. Rancidity ruins the taste even before it's a safety problem.
- Feel: jerky that's slimy or wet to the touch has picked up moisture.
- Check the date: an opened bag of ours that's past 7 days is no longer worth the risk.
White spots worry people the most. They can be fat, salt or mold, and jerky fans on Reddit have a simple test for telling them apart.
"scrape it off, rub it between your fingers, fat will feel greasy, mold will be powdery, salt will feel grainy like sand"
That's fan advice, not a lab test. Any sign of mold means the whole piece goes. Our rule is simpler: if you're not sure, don't eat it.
What else changes how long jerky lasts
Packaging, air, heat and humidity matter almost as much as how dry it is.
- Packaging. Vacuum-sealed or vacuum packed jerky keeps air out. If you vacuum seal leftovers at home, the same idea applies. A resealable bag only works if you press the air out each time.
- Exposure to air. Oxygen and moisture are what turn fat rancid and let mold start, which is why that small packet sits in the bag.
- Heat and temperature swings. Big temperature fluctuations are hard on any food. Steady and cool is best.
- Humidity. A damp kitchen or a summer porch shortens any jerky's life. A dry place stretches it.
- Salt, cure and smoke. Many brands use salt, curing salts and smoking meat as part of the preservation process. Our labels list smoke flavor, spices and, on some flavors, salt.
To extend shelf life at home, think like the bag: keep it sealed, keep it dry, and keep it cool. Stored properly, jerky can last as long as its label says. For soft jerky, the fridge does that best.
How to store beef jerky
To store jerky, keep it sealed, cool and dry. After opening, reseal it or refrigerate it.
Where to keep Jerky Munch
- 3-5 daysCool room. Fine out of the fridge, away from heat and sun.
- 7 daysOpened bag. Reseal it tightly and finish it within a week.
- LongerFridge. Take it out 3 to 4 hours before you serve it.
- NeverHot car. A glove box in summer is not a cool, dry place.
- Leave the bag sealed until you're ready to eat it. Proper storage starts with not opening it early.
- Store it in a cool, dry place, out of the sun.
- After opening, press the air out and reseal it tightly, or move it to an airtight container.
- To keep your jerky past a few days, put it in the fridge.
- Take it out 3 to 4 hours before serving, so it's at room temperature.
How to store a jerky gift box or meat board
Plan for days, not weeks. A board can come a day early, and a gift box should be opened soon.
Getting a board for a kiddush or a simcha? A day early is no problem. Keep it in a cool room, or in the fridge if it's waiting longer, and set it out 3 to 4 hours before guests arrive. All seven of our kosher meat boards follow the same rule.
Sending a gift box? Tell them it's soft jerky. It's meant to be eaten within days, or kept in the fridge, not saved in a cupboard for months.
Homemade vs store-bought jerky
Homemade beef jerky gets a shorter window, because no one checks how dry it got.
"The process of making jerky at home can vary, so USDA recommends a shorter shelf life for homemade jerky than for jerky made under Federal inspection."
Ohio State's extension service gives jerky made at home "up to two weeks at room temperature or three to six months in the refrigerator," if it was properly dried and heat-treated. How the jerky is made decides how long it keeps.
"Properly dried jerky will keep at room temperature two weeks in a sealed container."
Store-bought jerky isn't all the same either. Dry jerky lasts the longest. Soft, tender jerky trades some of that shelf life for texture.
Where Jerky Munch fits, and where it doesn't
We make soft, glatt kosher beef jerky in ten flavors, under the CRC Hisachdus. It's made to be eaten fresh, not stored for a year.
If you need jerky for an emergency kit or a pantry shelf for months, a dry, shelf-stable jerky is the better fit. If you want jerky you can actually bite through this week, start with our kosher beef jerky in 2 oz bags.
Not sure which flavor? A variety pack of three 2 oz bags is easy to finish well inside the 7 days.
Questions about beef jerky going bad
Does beef jerky go bad if it's unopened?
Yes, eventually. USDA says commercially packaged dry jerky can be kept 12 months. For soft jerky like ours, our guidance is 3 to 5 days out of the fridge in a cool room, and longer in the fridge. For a big order you're holding, call us at 732-784-7554.
How long is beef jerky good after opening?
Go by the label. Ours says to eat it within 7 days after opening. Reseal the bag tightly or keep it in the fridge.
Can you eat jerky that was left out overnight?
For our jerky, yes, if it was in a cool room. It's fine out of the fridge for 3 to 5 days. A hot car is a different story.
What are the white spots on beef jerky?
Usually fat or salt, sometimes mold. Fat is greasy and streaky, salt is gritty, and mold is fuzzy or powdery. If you can't tell, throw it out.
How long does beef jerky last in the fridge?
For jerky made at home, Ohio State Extension says three to six months. For ours, the fridge is how you keep it past the first few days, and an opened bag should be finished within 7 days.
Is it safe to eat expired beef jerky?
Don't risk it with soft jerky. If an opened bag of ours is past 7 days, or it looks or smells off, throw it out.
The short version: dry jerky keeps for months, but soft jerky keeps for days. Eat an opened bag of ours within a week, and use the fridge to keep it longer.
Sources
- USDA Food Safety and Inspection Service, Jerky and Food Safety, updated Nov 3, 2016.
- USDA FSIS, Shelf-Stable Food Safety, updated Oct 24, 2024.
- Katharine Shumaker and Christine Kendle, Ohio State University Extension, Food Preservation: Making Jerky (HYG-5362), 2017.
- National Center for Home Food Preservation, Jerky, from So Easy to Preserve, 6th ed.
- Jerky Munch bag label and store FAQ, checked October 2026.
