How long does Protein Shake last in Fridge?

How long does Protein Shakes last in Fridge

Whether you are consuming a protein shake to increase the protein intake in your diet.

Or, you are consuming protein shake to help regain muscle and recover from the intense workout of bodybuilding, athletics, etc. 

No matter what, you would be concerned about how long your protein shake would last as you would have spent quite some money on it. 

Knowing how long your protein shake lasts will help you to consume it properly without anything going to waste. You just have to remember a few points, and no protein shake will go untouched. 

Protein shakes can last for 2 to 3 days if stored properly in the fridge. Ones that are mixed with water will last longer than milk.

Let me answer the most asked queries regarding how long Protein Shake last in the fridge and other storage environments 

How long can a Protein Shake last?

Protein shakes have a varied shelf-life, but it is not difficult to follow up on everything. 

The shelf-life may differ depending on the medium through which you consume protein. Whether it is water or milk.

The shelf-life also depends on where and how you store your protein shake once you prepare or mix it. 

There are a few tricks that I follow so that I can extend the shelf-life of protein shakes.

Let me share those with you in some time. 

Don’t have time, here’s a Quick Table.

Room TemperatureFridge Freezer
Protein Shakes mixed with Water 2 to 3 hours48 to 72 hours 3 months 
Proteins Shakes mixed with Milk2 hours24 to 48 hours 3 months 

How long does Protein Shake last in Fridge?

A protein shake is an instant way of getting protein in your system. But you have to be mindful. If kept outside for longer timers once mixed, the protein shake may not be effective or even go bad. 

Hence, the best way to keep your protein shakes fresh and good is by placing protein shakes in the fridge. 

Whether you are using protein shake with water or with milk, storing protein shake in the fridge will be beneficial for you. 

The homemade protein shake would last a little less than the commercially sold one on the market. This is because the protein shakes from the market can have sugars and additives 

Generally, a protein shake would last around 2 to 3 days in the fridge, assuming that you are storing it properly. 

Did you know: That the best time to consume a protein shake is to drink it after 30 minutes of exercise if protein powder is mixed with water?

How long do Protein Shakes last after Mixing?

Sometimes, making protein shakes after your workout can be difficult. You could be tired after an intensive workout session. Or you would have some work after work. 

And it’s fine you can simply prepare your protein shake beforehand and drink it immediately once you are done with your work. 

Your premixed protein shake will cause you no problem as such if you store them properly in the fridge. Your premixed protein shake would last for around 72 hours in the fridge. 

Mixing your protein shake beforehand is not an issue, but drinking your protein shake fresh when you want it is preferred. You can store protein shakes in the fridge or the freezer if you have no other option. 

The frozen protein shakes would last for around 3 months. 

How long do Protein Shakes last after Mixing
Mixing Protein Shakes

How long does Protein Shake last after the Expiration date?

Protein shakes bought from the already pre-made store (the liquid ones coming in the bottle) may not last well after the protein shake. They may last quite well if you have stored them in the fridge.

As the liquid is involved in the shake. The proteins would break down completely once the expiration date is passed as the protein is in the liquid. 

However, the protein powder of a good brand used to make the protein shake can last for around 2 months after its expiration date, assuming that you have stored it properly.

But, to be on the safe side, your protein shake is past its expiration date. 

For more information, look at the package of the protein shake to know the “Best By” date. Remember that the “Best By” date determines the quality of the product and not the safety.

Can I leave the Protein Shake in the Fridge Overnight?

The answer is a big healthy Yes! You can keep your protein shake in the fridge once you have mixed it properly with water or milk. 

It’s completely ok. Your protein shake lasts for around 2 to 3 days in the fridge. 

If you run late the next morning after the workout and don’t have time to prepare a protein shake.

You can make your protein shake the night before, keep it in the fridge overnight and consume it without hassle in the morning.

Ready to Consume Protein Shake
Storing Protein Shakes

How to Store Protein Shakes? 

You just need to remember some key points, and you will be all good to store protein shakes.  

Firstly prepare your protein shake, mix it properly and store it in an airtight container, glass or plastic; anything would work. 

Then store it in the fridge. Alternatively, you can keep your protein shake in the fridge with the shaker.

If you want to prepare a protein shake for a few days because you know you will be busy, then you can completely do it. You can make protein shakes and store them in freezer-friendly containers or heavy-duty freezer bags. 

Just don’t fill up the bag or the container full, as the liquid tends to expand when frozen.

To thaw, you can either keep your protein shake in the fridge a day before consuming it or thaw it at room temperature.

Just ensure you don’t leave it out for more than 2 hours.

(Trick I was talking about) I store protein shake in the required quantity for the day in speaking bags, which helps to thaw protein shake in batches.

How can I tell if my Protein Shake is Bad?

Protein shakes have an average shelf-life and are bound to go bad. If someone like me drinks a protein shake daily, then you need to know if your protein shake has gone bad. 

Here are some cues to know the same.

If you see any fungi or mold growing on the surface of your protein shake, you know it better to throw it away.

If your protein shake looks different, it doesn’t look the same. Or it has a weird smell. Do a taste check. If your protein shake doesn’t taste the same or tastes bitter, it’s better not to consume it and throw it away. 

It’s normal for your milk and protein powder to get separated. Just shake it, and you will be good to go. 


All your queries regarding how long protein shakes will last and how you can store them for better preservation would have been solved. Don’t worry about protein shakes, now you can focus more on your exercises. 

Store your protein shakes in the fridge to make them last longer.

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