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Best Casein Protein Powder – According to 7,400+ Reviews [2018 Edition]

Best Casein Protein Powder – According to 7,400+ Reviews [2018 Edition]

You spent hours upon hours in the gym, lifting weights and hitting the cardio machines. You know that getting high quality protein is essential for building muscle, increase cardio and speed up recovery.

You already take your Whey Protein (Related: Best Whey protein for Bulking or Keto) – but before bed you want to switch to a protein supplement that is digested and absorbed in a much slower rate.

Let me introduce you to : Casein Protein Powder!

Choosing the best casein protein powder is not always an easy task!

Thankfully, we reviewed the top 5 best casein protein powder supplements according to reviews of 7400+ online customers.

We did all the research beforehand and checked the best price, taste, value for money and of course all the benefits so you don’t have to.

“Pumped? – You should be! Here we go!”

Casein Protein Powder FAQ

If you are not familiar yet with Casein, here are the answer to your questions.

What is Casein protein powder?

Casein is a protein source that can be found together with Whey protein in milk. Although, Whey protein gets all the credit, it is actually Casein that has the better muscle-building effect due to its slow absorption rate.

How do I use Casein protein compared to Whey protein?

Most research suggests that a mix between Whey and Casein protein is the best choice. If you do wish to use Casein, it is recommended to do so before going to bed or before a long fasting-period as it will keep releasing amino acids into the bloodstream over a long period of time. 

How often should I use Casein protein?

Most supplement companies recommend using Casein before bed. Depending on your daily protein intake you can either use one dose or two. In general, a single dose contains between 20-25 grams of protein. 

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Top 4 Best Casein Protein Powder Supplements

Because we want to make sure you get the best products on the market-today we checked out which supplement were currently leading the market.

With over 7400+ reviews, we found the following Top 4 Best Casein Protein Powder Supplements to be the best of the best.

All received excellent reviews in general, but we checked each unique features, and all pros and cons to determine which brand has the edge to become number one in our review.

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Pure Casein Protein Powder – Bulksupplements

Pure Casein Protein Powder by Bulksupplements is a famous brand that has been around since the beginning of

With almost 69% of the reviews being in the 5-star range, there are a few small concerns that could influence your decision for buying this product.

The packing seems to be a problem as it comes in a plastic bag and not the traditional plastic container.

Also the natural milk flavour is not everybody favorite taste, but the texture of the powder does give your smoothy that extra fluffy appearance. 

Pure Casein Protein Powder by Bulksupplements

2 new from $25.96
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as of December 11, 2018 5:09 pm


  • Clean & pure powder
  • Promotes muscle growth & recovery
  • Great source of protein & calcium
  • Rich amino acid profile


  • Price – One of the cheapest on the market today
  • Value for money
  • Independent quality testing label
  • Rich in Calcium
  • Natural 


  • Packaging – Seal ziplock
  • Taste
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100% Casein Protein Powder – Optimum Nutrition

100% Casein Protein Powder by Optimum Nutrition Gold Standard. What can I say? It has been the number one brand for years and also in 2018 it is upholding the highest standards.

With more then 3000+ reviews and 63% giving it a 5-star, you know you are on the right track! It also comes in a variaty of flavors, which is perfect for people who like a little taste in their shake.

100% Casein Protein Powder by Optimum Nutrition Gold Standard

1 new from $31.69
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as of December 11, 2018 5:09 pm


  • Made Exclusively With Micellar Casein
  • 24 Grams of Slowly Digesting Protein Per Serving
  • Use Between Meals to Support Satiety and/or Before Bed as Your PM Protein
  • Nearly 5 Grams of Naturally Occurring BCAAs per Scoop
  • Made in GMP Certified ON Owned and Operated Facilities. Nearly 5 Grams of Naturally Occurring Glutamine and Glutamic Acid per Scoop


  • Low fat
  • Number one brand for the last 4 years
  • 20+ flavors
  • Also has 3 naturally flavored options


  • Not easy to mix
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100% Micellar Casein – Dymatize Elite

Dymatize Elite has been around for a long time. They had some issues with the US batch and the quality of their protein powders, but they recently started doing independent testing to make sure their products are of the highest standard.

The good thing is their product has 2.3 grams of Leucine for each serving. Each serving has almost zero carbs, which is great for people who are following a ketogenic diet.

With almost 73% giving it a 5-star rating with a total of 349 reviews, they most be something doing right. 

100% Micellar Casein by Dymatize Elite

11 new from $29.99
Free shipping
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as of December 11, 2018 5:09 pm


  • Ideal for overnight sustained muscle growth and repair
  • Great for in-between meals
  • Sustained release over extended periods of time
  • Net quantity of 2.4 pounds
  • Provides 24 grams of slow-digesting casein protein per serving


  • 2.3 gram of Leucine
  • More BCAA
  • Low Carb
  • Great taste
  • Price


  • Reputation of the Dymatize.
  • The scoop is much larger compared to Whey Protein. A serving is almost 45 grams.
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Combat Casein – MusclePharm

Combat Casein by MusclePharm is next to Optimum Nutrition the only supplement of this list with 3000+ reviews. It is a popular brand and for good reason.

It comes with a solid 25 grams of protein per serving and is tested for banned-substances, therefore it is perfect for professional athletes. 

Combat Casein by MusclePharm

1 new from $75.90
Free shipping
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as of December 11, 2018 5:09 pm


  • Made Exclusively With 28 Grams Of Micellar Casein Per Serving
  • Use Between Meals To Support Satiety And/Or Before Bed To Support Your Muscles While Asleep
  • 0 Grams Of Fat And Only 1 Gram Of Sugar
  • Gluten-Free


  • Price
  • Award winning taste
  • Tested for banned-substances
  • Cheaper the Optimum Nutrition


  • Amino profile is not stated on the label
  • Not easy to mix
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Final Verdict – What is the Best Casein Protein Powder? 

After reviewing the Top 4 Best Casein Protein Powder Supplements, it was not an easy choice to find the number one casein supplement.

These 4 products have over 7400+ reviews and a lot of people had great things to say about their favorite supplement brands.

But after looking at the product features, the price, pros and cons and of course the reputation of each company, there was a clear winner standing out. 

And the winner is:

100% Casein Protein Powder by Optimum Nutrition Gold Standard 

Most flavors, best reputation, low-fat and all ingredients available on the label. Yes, it is a bit more expensive compared to the other brands, but at least you know you get 100% top quality! 

Check the latest price for – 100% Casein Protein Powder 

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