Review Graph
Top Rated Flavors
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Most Recent
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Most Helpful
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All Reviews (73)
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Verified Buyers (72)

Denis N
Verified Buyer
Great taste and adds perfect thickness for protein ice cream. *
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Marty A
Verified Buyer
First casein I’ve used so can’t compare. Does not mix nearly as nicely as their whey. Taste when mixed with almond milk is unnoticeable. Tastes like thick milk with powder chunks. *
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Jad S
Verified Buyer
Will keep buying it. the best in my opinion.*
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Jad S
Verified Buyer
Tastes good and mixes well with water. Easy to drink but a bit too sweet *
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Jad S
Verified Buyer
Tastes good and light on the stomach late at night. Bought it again.*
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Jad S
Verified Buyer
Excellent product, will buy again for sure.
French Vanilla tastes good, light. *
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Arek K
Verified Buyer
Tastes good, keeps me full at night, good for protein pudding*
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Jorge R
Verified Buyer
I love this stuff. Tastes great with just water.*
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Dalton D
Verified Buyer
Amazingggggg for in the morning if u dont eat much breakfast*
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Josiah C
Verified Buyer
Great casein product to add to any diet.*
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Eric R
Build Muscle
Verified Buyer
Great product. Works as expected.*
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Pablo D
Verified Buyer
Super product great efficiency*
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Josh P
Build Muscle
Verified Buyer
The vanilla is better than the chocolate in my opinion and this helps me feel less sore when I take it the night of working out *
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Bekhan T
Verified Buyer
Great quality product! Solid flavor too.*
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Pablin wilfe S
Verified Buyer
Combine with casein good sleep!*
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Yuvraj K
Verified Buyer
Love the taste and mixes well even with a spoon . *
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Justin R
Verified Buyer
Great for baking and cooking. *
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tomas v
Increase Endurance
Verified Buyer
Recommended, this case is good, flavor, texture, etc.*
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Patrick R
Verified Buyer
Best mixing casein I’ve used. The flavor is bland but I’ve had worse. *
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Josh P
Build Muscle
Verified Buyer
This has been crucial to my recovery before bed*
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Brian B
Verified Buyer
I like that it seems to have very little sweetener in it. That in itself makes it stand out above the others.*
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Andre A
Verified Buyer
Can’t get in the UK. Wish we could.*
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Michael D
Verified Buyer
A little thicker than other proteins but tasty and great before bed!*
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Brian S
Verified Buyer
Good solid Casein. Mixes and tastes good.*
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evan c
Verified Buyer
Best on the market always fast delivery *
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Ahmed A
Verified Buyer
Sleep and get bigger muscles...*
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akhmetov J
Verified Buyer
VERY GOOD PRODUCT .............*
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Jeffrey T
Verified Buyer
Great taste, mix-ability, quality. solid product.*
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Todd T
Build Muscle
Verified Buyer
I use right before going to sleep because it is a slow digesting protein to last overnight. For an all natural flavored protein the flavor is light with just a hint of sweet. But it doesn't taste like a creamy milkshake.*
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João F
Verified Buyer
I had already bought other types of casein but since I bought the ON Casein 100% Natural I do not want another one, it works perfectly and the taste is authentic*
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Josh P
Build Muscle
Verified Buyer
This has really helped avoid some soreness when taken in the evening for me and my wife*
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Ahmed Elmasoudi
Verified Buyer
The product is good, the taste was good even with water but the main disadvantage is contained 8 grams of carbs per scoop and usually, I drink 2 scoops at night (16gr of carbs) which is a very high content of carbs at night. Because of that, I'll never buy it again because I restrict carbs in evening*
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Foo
Build Muscle
Verified Buyer
Very strange product.
First of all the serving is huge. And you have to dilute it in a large amount of liquid. About 12-14 oz. And still it will be quite thick. So you can forget about mixing it with milk as drinking 14oz of a thick liquid at once is hard and also gives an immediate bloating effect. Mixing it with water makes it easier to drink but the taste which is barely bearable will be even worse. But at least bloating is not that bad.
Gaining effect is as always hard to measure. I have used this product first for one month along with low intensity trainings and then one month with a high intensity trainings. No gains spotted.
Unfortunately this is an only naturally flavoured casein at M&S and I'm afraid at the market in general.*
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Prabin J
Verified Buyer
The flavor is good..i have always like the products from optimum nutrition*
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Zachary C
Verified Buyer
Same as any other casein. Works wel*
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Timothy W
Verified Buyer
Good taste and mixed very well.*
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Joshua B
Verified Buyer
Does the job. Like the flavor*
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Hadi A
Build Muscle
Verified Buyer
its one of the best Casein protein ever*
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Mike K
Verified Buyer
Great flavor and not as hard to mix as some of the others.*
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Bekhan T
Verified Buyer
Excellent product! Great quality and taste.*
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joel c
Verified Buyer
Tastes really good. I like to put it in freezer for awhile and it tastes just like chocolate ice cream*
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Josh P
Build Muscle
Verified Buyer
This casein has been crucial to my gains each evening, also has lowered my soreness*
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Nick H
Healthy Lifestyle
Verified Buyer
Buy buy buy
Taste great and ???? *
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Lucas L
Verified Buyer
Tastes great. Mixes well in blender. No change in muscular results after switching from whey.*
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Josh P
Build Muscle
Verified Buyer
This has been more #1 casein for over 1 year*
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Alexander G
Verified Buyer
good product, but not the best flavor, french vanilla*
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James D
Verified Buyer
Excellent product! Highly recommend it! Taste takes a while to get use to it*
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Eric R
Build Muscle
Verified Buyer
Amazing all ural product. Would and will buy again*
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Ian G
Verified Buyer
I really like the vanilla flavor.*
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Josh P
Build Muscle
Verified Buyer
Really great and my go to for the last year*
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* Muscle & Strength does not imply any medical claims from this review. There are no
guarantees of specific results and results may vary.
* These statements have not been evaluated by the Food and Drug Administration. This product is
not intended to diagnose, treat, cure, or prevent any disease.