It’s additionally a good source of essential nutrients, such as vitamins, minerals, and healthy fats.

Because it has actually a reasonably long shelf life, many human being wonder if peanut butter go bad.

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This short article explains exactly how long peanut butter commonly lasts, just how to tell if it has actually gone bad, and also how to effectively store it.

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Compared with other spreads, peanut butter typically has a long shelf life.

This is because peanut butter is high in fat and also has a reasonably low moisture content, which provides unfavorable conditions for bacterial growth (1).

There space other vital factors that can influence the shelf life of peanut butter.

For starters, exactly how it’s produced plays a far-ranging role in that is shelf life.

Most advertising peanut butters usage stabilizers, such as hydrogenated vegetable oils or palm oil, and also preservatives like sodium benzoate to assist extend their shelf life (2, 3).

The enhancement of stabilizers help to stop oil separation and improves the texture and also appearance, if preservatives, including sodium benzoate, help combat microbial growth.

Because that the addition of stabilizers and also preservatives, advertising peanut butters might last 6–24 months in the pantry if left unopened, or 2–3 months as soon as opened. Placing that in the fridge can expand its shelf life past this (4).

On the various other hand, commodities labeled as organic peanut butters must contain at the very least 90% peanuts. They have actually a shorter shelf life because they generally lack preservatives and stabilizers. However, some natural peanut butters might contain stabilizers to prevent oil separation.

In general, organic peanut butters without stabilizers can last for number of months in the pantry unopened, or approximately a month once opened. However, they may last up to a year in the refrigerator unopened, or 3–4 month in the fridge once opened (4).

Many organic peanut butter commodities that contain just peanuts and salt state come “refrigerate after opening” to preserve freshness.

The shelf life of natural peanut butters have the right to vary considerably among brands because of the enhancement of different ingredients, so it’s crucial to examine the best-by day on the packaging.

Powdered peanut butter is a new alternative made by pressing the bulk of the natural oils from roasted peanuts and grinding the nuts right into a powder. Many labels state that they deserve to last 10–12 month unopened, or 4–6 months once opened.

However, powdered peanut butter might last much longer than the provided best-by day if unopened and also stored in a cool, dry, dark place, such as the pantry. This is because it has less fat than regular peanut butter, which method it’s much less prone to reacting with oxygen.


In the pantry, advertising peanut butters might last 6–24 month unopened, or 2–3 months as soon as opened. Herbal peanut butters might last number of months unopened, or up to a month when opened. Put peanut butter in the fridge can expand its shelf life.

Most packaged peanut butters have actually expiration dates — also called best-by dates — printed on the container, i m sorry indicates exactly how long the product will remain fresh.

However, these labels no compulsory and also don’t for sure the product’s safety. That way your peanut butter might still be for sure to eat beyond its best-by day (5).

The finest ways to tell if your peanut butter has actually gone negative are through sight and also smell.

While new peanut butter is naturally soft and also creamy, poor peanut butter may have actually a hard and also dry texture. The may likewise have a dark brown appearance, contrasted with the usual irradiate tan color.

Additionally, if it smells an ext sharp, soapy, or bitter, it likely has actually gone bad.

Moreover, if your peanut butter tastes contempt sour instead of nutty, it may have actually gone negative as well.

Keep in mind that oil separation is common for organic peanut butters because they may absence stabilizer ingredients. It’s no a authorize that the peanut butter has actually gone bad.

It deserve to be more complicated to tell even if it is powdered peanut butter has gone bad, however changes in smell, texture, and taste are great indicators.


Peanut butter that has actually gone bad may display signs like a readjust in structure to dry and hard; changes in aroma, including a lose of aroma; and a more sour or bitter taste.

To ensure the your peanut butter lasts longer, it’s necessary to store it properly.

Although that doesn’t must be refrigerated, cold temperatures ensure it lasts longer. If you choose not come refrigerate her peanut butter, aim to save it in a cool, dark place, such together the pantry.

It’s likewise important to constantly close the jug of peanut butter tightly. Exposing peanut butter to air for too long may cause it to walk rancid faster.

Additionally, make sure to use clean utensils as soon as you use peanut butter. Used or dirty utensils could introduce undesirable bacteria v cross-contamination, which have the right to promote spoilage.

Powdered peanut butter should additionally be save on computer in a cool, dry, dark place, such as the pantry. If you blended powdered peanut butter v water to make creamy peanut butter, you have the right to store this in a tightly extended container in the frozen fridge for up to 48 hours.


It’s best to keep peanut butter in cool, dark places, such together the pantry or fridge. Make sure to handle peanut butter with clean utensils to protect against cross-contamination, and to close the jar strictly to border air exposure.

Peanut butter usually has a lengthy shelf life.

In the pantry, advertisement peanut butters may last 6–24 months unopened, or 2–3 months when opened. Organic peanut butters absence preservatives and also may last several months unopened, or up to a month when opened.

However, details brands of natural peanut butter may last longer because of the enhancement of stabilizers, for this reason it’s important to check the best-by date.

Powdered peanut butter is best stored in a cool, dark, dry place, such as the pantry, and also the best-by day states it deserve to be stored up to 12 months. However, the likely deserve to last much longer than this, together it has actually properties the make it much less likely to go rancid.

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Proper use and storage, as well as refrigeration, can expand the shelf life that any kind of peanut butter considerably.

Signs that your peanut butter has actually gone bad include a adjust in structure to dry and also hard; changes in aroma, consisting of a lose of aroma; and also a more sour or bitterness taste.