100% Casein Protein (Optimum Nutrition)

User rating

3.8

out of 5

1567 user reviews

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Support this site, buy 100% Casein Protein from affiliate retailers (see all 100% Casein Protein prices and serving sizes):

Format	Store	Notes	Price/serving	Price
4 lb	A1Supplements.com	Shipping: Calculated by weight Save $5 on orders > $90: Code - 5OFFA1 Free gift with orders > $90 Save 4% on orders > $200 Save 8% on orders > $500	$0.74	$42.95
4 lb	I'll Pump You Up	5% off any order: Code - SubstanceReviews	$0.74	$42.95
4 lb	Bodybuilding.com	Shipping: Flat rate - $5.99 (up to 40 lb) 5% off new customers: Code - NewCustomer5PerOff Other coupon codes on the left side of this page	$0.77	$44.89

Sometimes slower is better - especially when it comes to the rate of protein digestion. While rapid protein absorption is desirable immediately before or after exercise, delayed release is probably more beneficial throughout the remainder of the day.

Casein proteins are pH sensitive and gel in the acidic environment of the stomach. As a result, it can take more than twice as long for caseins to be broken-down into their amino acid sub components than whey and other proteins. Because of these unique "time-released" qualities, caseins are aptly described as being anti-catabolic, or muscle-protecting, proteins.

Average user rating from: 1567 users


Overall rating		3.8
Euphoria (4 ratings)		3.9
Mental energy (1 rating)		1.0
Focus (1 rating)		0.5
Length of effects (1 rating)		5.0
Low development of tolerance (1 rating)		1.0
Low dependence (1 rating)		1.0
Fat loss (22 ratings)		4.4
Vascularity (3 ratings)		2.2
Pump (4 ratings)		4.0
Thermogenic effect (2 ratings)		3.5
Texture (468 ratings)		4.0
Muscle gain (66 ratings)		4.4
Strength (21 ratings)		3.8
Taste (1386 ratings)		4.2
Mixes well (402 ratings)		4.3
Safety (5 ratings)		5.0
Suppressed appetite (19 ratings)		3.9
Recovery ability (81 ratings)		4.7
Anti-catabolic (37 ratings)		4.7
Endurance (6 ratings)		3.6
Low side effects (2 ratings)		3.0
Physical energy (11 ratings)		4.2
Value for money (125 ratings)		4.3
Ingredient profile (39 ratings)		4.5

Reported side effects (adverse events)


Diarrhea	4 users (0%)
Difficulty sleeping	2 users (0%)
Gas or bloating	7 users (0%)
Nausea or vomiting	4 users (0%)
Shakes	7 users (0%)
Upset stomach	5 users (0%)

Find other supplements effective for

Muscle gain


Muscle gain		but rather maintain a strict diet and try to gain and maintain as much muscle mass as possible.
Taste		This Casein has been the best tasting and most effective that I have used.
Anti-catabolic		but rather maintain a strict diet and try to gain and maintain as much muscle mass as possible.


Taste		I got the chocolate supreme its a good flavor, my only issue is that it cakes and is hard to mix.
Taste		But the flavor is good and I got a discount on the 4lbs so I cant complain


Taste		Chocolate Supreme is the BEST tasting casein product i have used to date.


Taste		Best tasting casein on the market.
Taste		Great solubility and even better taste.
Value for money		I just wish it was a little cheaper,


Texture		Tastes just like a thick chocolate shake made with real ice cream when mixed with real cold water.
Taste		Tastes just like a thick chocolate shake made with real ice cream when mixed with real cold water.
Taste		NO clumps at all, mixes really well and tastes great.
Taste		cant wait to try other flavors.
Mixes well		Tastes just like a thick chocolate shake made with real ice cream when mixed with real cold water.
Mixes well		NO clumps at all, mixes really well and tastes great.


Texture		Texture is kinda chalky, which I don't really mind.
Texture		If you mix it with milk, use a LOT of milk, because compared to whey, it mixes thick, like freaky, bizarre thick.
Taste		Taste is great.
Mixes well		If you mix it with milk, use a LOT of milk, because compared to whey, it mixes thick, like freaky, bizarre thick.


Texture		I make it with straight water because I tried it with a little milk in the water and it was too thick for my liking.


Taste		So far it works well and the taste and smell of it is very good.
Recovery ability		After using this program I have noticed that my recovery time has great improved and I'm ready for my morning workout, which generally starts about 5:30am.


Texture		Definitely recommend mixing with milk for taste and it does make a fairly thick shake.
Taste		Definitely recommend mixing with milk for taste and it does make a fairly thick shake.


Taste		Cookies and Cream flavor is excellent, I actually find myself craving it from time to time.
Mixes well		Not bad, mixes fairly well.


Texture		but if you are looking to buy this product, make sure that you are ok with drinking a really thick shake.
Taste		The flavour is good,
Recovery ability		I original bought this Casein to aid my muscle recovery.


Texture		Also, anybody who enjoys making protein fluff should use casein to thicken the mixture.
Taste		but the quality and taste of the protein is still great.


Taste		Started using the Chocolate Supreme flavor in October and LOVE it.
Taste		Great product at any time of the day and great flavor too.

100% Casein Protein (Optimum Nutrition)

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