Food Preservation

Does Yogurt Go Bad? How Long Does Yogurt Last Once Opened?

In this article, you will know the answer to the query “Does Yogurt Go Bad? How Long Does Yogurt Last Once Open?“.

The fact that yogurt is enjoyed by people of all ages cannot be denied. In fact, it is a staple food item for many people throughout the world.

Essentially, yogurt is a food made by fermenting milk and adding beneficial bacteria to it.

Healthy bone growth, weight management, and many other benefits can be obtained from consuming yogurt regularly.

Furthermore, a study found that kids who ate yogurt and other dairy products had overall improved health compared to those who didn’t. Is yogurt a perishable food?

There is a yes to this question. There are many health complications that can result from consuming bad yogurt, including intestinal problems, food poisoning, and diarrhea.

Continuing reading this post will allow you to gain more insight into this concerned topic.

The article aims to answer some of the most common questions about yogurt, which can help you determine if it’s good or bad. The yogurt will also be stored properly with this method.

Does Yogurt Go Bad? How Long Does Yogurt Last Once Open?

Storage shelf life is the amount of time that a commodity can be stored before it deteriorates, or becomes unfit for consumption, use, or sale.

Among the factors affecting shelf life are raw material quality, storage conditions, and manufacturing processes. 

The shelf life of yogurt varies greatly depending on its type, making it difficult to determine the exact expiration date.

You should consider these factors when answering the question of how long yogurt last:

  • Types of yogurt (such as Greek yogurt, drinkable yogurt, and reduced-fat yogurt).
  • Whether the yogurt is preservative-free.
  •  Be sure to check the storage conditions before purchasing.

Any type of yogurt should be consumed within the first week after it is purchased. During this period, the quality of yogurt begins to deteriorate.

You can store opened yogurt in the freezer for up to a month after opening it. You can store it in the refrigerator for one week, but it won’t last longer than that.

In contrast, yogurt that has not been opened can be stored in the refrigerator for two to three weeks, or in the freezer for up to two months.

In the following table, we provide an estimate of the shelf life of both opened and unopened yogurt:

Type Fridge Freezer
Opened yogurt 1 week 1 month
Unopened yogurt 2-3 weeks 1-2 months

How to Tell If Yogurt Is Bad? Yogurt Shelf Life!

In order to determine if your yogurt has gone bad, you will have to know what kind of yogurt it is. In spite of this, there are some ways by which you can determine if it is unfit for consumption.

In the event that any of these factors are present, yogurt should be avoided.  Unusable yogurt shows the following signs:

Unpleasant Odor: One of the most common ways is by using your sense of smell. Yogurt can develop an unpleasant odor after its expiration date, whether it is opened or unopened.

It must be thrown away immediately if it has developed a strange odor.

Mold: Another sign that indicates unusable yogurt is the formation of mold on the surface of your yogurt. Among the most common causes of spoilage, it is worth mentioning.

Mold can grow on yogurt in a variety of colors, from green to black or white to orange. The presence of this sign on your yogurt should never be risked.

Surface Liquid: Note that it is normal to have some liquid on the surface of your yogurt.

In contrast, if your yogurt contains a large amount of liquid, then it is unfit for consumption.

Your yogurt may become contaminated with harmful microbes as a result; as a result, you should avoid it.

Shelf Life: You can determine whether your yogurt is safe to eat by comparing shelf life, which can vary from one type of yogurt to another.

It is important to note that you can consume certain foods after their expiration dates. It is not recommended to store the seal once it has been opened for later consumption.


The bottom line is that yogurt is a healthy food item if it is stored properly. Is yogurt prone to spoilage? There is a yes to the question.

Yogurt that has been opened usually spoils faster than yogurt that has not been opened. It is also important to note that sealed yogurt can last for one week past its expiration date.

The following questions will help you determine whether your yogurt is bad.

Is the smell unpleasant? Are there any signs of mold growth? Is there an excessive amount of liquid in it?

Whenever any of these questions appear, you should discard the yogurt.

Does Yogurt Go Bad? How Long Does Yogurt Last Once Open? (Recipe)


15 minutes


15 minutes


30 minutes


  • Yogurt
  • Air-tight containers
  • Labels and markers


  • Read the guide thoroughly to learn how long it lasts.
  • Label your container with the content and date and keep track of how much you’re using!
  • Make sure to store in an airtight container in a cool, dark place (pantry or fridge).
  • If frozen, thaw in the fridge before use. Always check for signs of spoilage before use.

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