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Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder, Naturally Flavored Chocolate creme, 4 Pound (Packaging May Vary)

4.4 4.4 out of 5 stars 1,996 ratings

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Chocolate
4 Pound (Pack of 1)

Purchase options and add-ons

Brand Optimum Nutrition
Flavor Chocolate
Servings per Container 48
Item Weight 4 Pounds
Material Type Free No Artificial Sweeteners, No Artificial Flavors, No Artificial Colors

About this item

  • Packaging May Vary - New look, with the same trusted quality
  • NATURAL FORMULA – no artificial flavors, sweeteners, or colors
  • SLOW DIGESTING – a great option between meals or at bed-time when fasting for long periods and helps support the recovery process of lean muscle mass
  • MICELLAR CASEIN – 24g of a high-quality, slow-digesting, anti-catabolic protein to help achieve your health and fitness goals
  • NIGHT-TIME FORMULA – help rebuild torn down muscle fibers and remain anabolic while you sleep with this specifically formulated night-time protein source

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Product Description

Product Description

Faster digesting protein is desirable immediately before and after exercise to help refuel recovering muscles, but slow digestion and absorption may be more beneficial at other times including bedtime when your body typically goes for hours without food. Casein products are acid sensitive and thicken in the stomach. Compared to some other proteins, it can take longer for our Gold Standard 100% Casein to be broken down into its amino acid subcomponents. By using only premium micellar casein as a protein source, we've created a formula that sets the standard for slow digesting protein support.

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Optimum Nutrition Gold Standard Natural 100% Casein offers the slow-digesting protein essential for facilitating muscle recovery and preventing muscle breakdown. Rapid-protein use is desirable immediately before and after exercise to help refuel recovering muscles. However, delayed digestion and absorption may be more beneficial at other times, including bedtime, when your body typically goes for hours without food. Casein proteins are acid sensitive and thicken in the stomach. Because of this, it can take more than twice as long for Optimum Nutrition Gold Standard Natural 100% Casein to be broken down into its amino acid subcomponents than other proteins. This natural version of the industry's first all-micellar casein contains no artificial flavors or sweeteners.

Quality Counts: GMP Certified Products
Optimum Nutrition's commitment to quality is evident throughout the entire product development process. As a continued measure of quality, all vendors must provide a Certificate of Analysis for each raw material supplied. The certified analyses are also verified through random in-house and independent laboratory testing. To further diminish any chance of physical, chemical, and microbiological contaminants, ON has established and implemented a Hazard Analysis Critical Control Point (HACCP) program. Quality assurance professionals make routine checks on all storage, blending, and production areas and conduct daily inspections.

ON is proud that its in-house manufacturing operation has been registered under the NSF International, The Public Health and Safety Company, Good Manufacturing Practices (GMP) Program. Together, these practices and procedures allow ON to consistently deliver first-rate sports nutrition supplements under the strictest quality control standards.


About Optimum Nutrition: True Strength
Since 1986, Optimum Nutrition has been supporting the nutrition goals of elite athletes and goal-driven individuals around the world. Building on a foundation of company owned and operated production facilities, unparalleled manufacturing expertise, and uncompromising quality standards, ON continually strives to bring athletes and active individuals sports nutrition solutions designed to make a real difference in performance. Whether your goals involve strength, speed, power, endurance - or any combination - ON supplements work as hard as you do. Realize your True Strength with the quality and innovation leader.

What's in the Box
Optimum Nutrition Gold Standard Natural 100% Casein, Chocolate Creme, 4 pounds.


Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 8.06 x 8.06 x 11.18 inches; 4 Pounds
  • Item model number ‏ : ‎ 1031834
  • Date First Available ‏ : ‎ April 21, 2004
  • Manufacturer ‏ : ‎ Glanbia Performance Nutrition
  • ASIN ‏ : ‎ B001N4IGW6
  • Customer Reviews:
    4.4 4.4 out of 5 stars 1,996 ratings

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Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder, Naturally Flavored Chocolate creme, 4 Pound (Packaging May Vary)
Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder, Naturally Flavored Chocolate creme, 4 Pound (Packaging May Vary)
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Price$90.77$110.99$52.88$44.99-8% $84.94
List:$91.99
$43.99
Price Per Unit$1.42 / Ounce$0.69 / Ounce$1.89 / Ounce$1.41 / Ounce$1.33 / Ounce$1.37 / Ounce
Delivery
Get it Apr 3 - 5
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Blending power
4.6
4.6
4.1
4.3
4.1
4.3
Value for money
3.6
4.1
3.9
4.2
4.1
4.0
Flavor
3.1
4.0
4.1
4.2
4.1
3.8
Ingredient quality
4.0
4.0
4.5
4.4
4.4
Sheerness
4.3
4.3
4.1
3.8
Sold By
Xcess Limited
Amazon.com
Amazon.com
Levels Nutrition
Amazon.com
Ascent Protein
flavor
Chocolate
Milk Chocolate
Turbo Chocolate
Vanilla
Cookies & Cream
Chocolate Peanut Butter
protein source
casein
whey
whey
casein
casein
casein
weight
4 pounds
10 pounds
1.8 pounds
1.75 kilograms
1.17 pounds
target gender
unisex
unisex
unisex
unisex
unisex
unisex
carbohydrate info
7.0 grams, 7.0 grams
4 grams
3.0 grams, 3.0 grams, 3.0 grams
3 grams
energy info
130.0 calories, 140.0 kilocalories, 130.0 calories
160 kilocalories
0.14 kilocalories, 140.0 kilocalories, 140.0 calories
110.0 calories, 120.0 kilocalories

Important information

Safety Information

Check with a qualified healthcare professional before taking this product if you are pregnant, nursing a baby, or under 18 years of age.This product is labelled to United States standards and may differ from similar products sold elsewhere in its ingredients, labeling and allergen warnings

Ingredients

Rapid protein use is desirable immediately before and after exercise to help refuel recovering muscles but delayed digestion

Directions

For best results, mix up your shake 30-60 minutes before bed, or have it between meals as an anytime snack in your balanced, high-protein diet. Use 8-10 FL OZ for a thicker consistency or 12-14 FL OZ for a thinner consistency.

Legal Disclaimer

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

Looking for specific info?

Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,996 global ratings

Customers say

Customers like the quality of the protein supplement powder. They say it gets the job done and is not hype. They also like the value, and appetite. However, some customers have reported issues with the thickness of the product. They feel that it is too thick for shakes and that it smells. Customers also disagree on taste, mixing, and texture.

AI-generated from the text of customer reviews

165 customers mention129 positive36 negative

Customers like the quality of the protein supplement powder. They say it mixes well, gets the job done, and is not hype. Some say it works great to curb hunger while getting nutrients. Customers also say it's a great protein for heavy weight training goals and a slow digesting overnight protein.

"ON's Casein is fantastic, a quality product w/ a good price...." Read more

"...This stuff tastes fine, and gets the job done like regular protein powder...." Read more

"...Otherwise, I like the product. I have not experienced any digestive issues or discomfort of any kind...." Read more

"...Use more water than the directions say. Definitely works as a slow digesting overnight protein, best for replacing that late night ice cream or..." Read more

37 customers mention29 positive8 negative

Customers like the value of the protein supplement powder. They say it's a great value for the quality, and the price is right for a zero sugar high quality protein. Some are also happy to find this option and cheaper than other natural flavor options out there.

"ON's Casein is fantastic, a quality product w/ a good price...." Read more

"...Received product in very timely manner, so happy with that. Great value...." Read more

"...*I like most of O.N. products.- Price: The deal was great. I paid less than $60 for 4lbs when this was on sale. (Way to go Amazon!)-..." Read more

"...The price has become so insane I bought a 4lb instead of a 2lb to save a little...." Read more

32 customers mention29 positive3 negative

Customers find the protein supplement powder thickens up quickly and leaves them feeling full much longer. They say it provides needed calories and protein, and is a great bedtime snack that satisfies and staves off catabolism. Customers also say it mixes well, sustains energy, and serves as a fantastic meal replacement when counting calories. They also mention that it's a low-cal, high-protein nighttime treat that maintains protein levels while they sleep.

"...Low calories (e.g. no added calories and no or very limited extra added sugar) 2)..." Read more

"...There is essentially no bloating/gas/upset stomach.I just wanted to leave this review in case anyone else is affected by Whey protein...." Read more

"...it three stars I might just buy it again shockingly BECAUSE it doesn't bloat me like all the other casein powders...." Read more

"...It keeps me full and doesn't give me any sort of indigestion that I normally got with other Whey proteins...." Read more

299 customers mention176 positive123 negative

Customers are mixed about the taste of the protein supplement powder. Some mention that it tastes better than any non-natural or artificially sweetened version, with a bit of sweetness. However, others say that it taste horrible and like pudding.

"...Sure, It's not like drinking a milk shake, but it has a smooth flavor that goes down well...." Read more

"...Taste: The taste itself is mediocre, not as sweet and palatable as Whey but based on other Casein reviews, this is common...." Read more

"...This stuff tastes fine, and gets the job done like regular protein powder...." Read more

"...’s still a good product, and the only one I could find that doesn’t use artificial sweeteners that upset my stomach...." Read more

86 customers mention40 positive46 negative

Customers are mixed about the mixing of the protein supplement powder. Some mention that it mixes well, while others say that it doesn't mix well. Some say that the product blends well in a bullet blender, while other say that they have to blend it on its own.

"...Mixed in Water: This casein doesn't mix as well as Whey and can solidify in the form of chunks of powder but for the most part, it dissolves into..." Read more

"...Mixes easy with water, milk, OJ, etc.I recommend the natural, it's the same price when I purchased." Read more

"This product does not mix well in a shaker cup. I strongly recommend an actual blender, or you will have a chunky shake...." Read more

"It mixes up well, not lumpy." Read more

38 customers mention15 positive23 negative

Customers are mixed about the texture of the protein supplement powder. Some mention that it's very smooth and creamy, while others say that it has a horrible texture and is hard to shake by hand.

"...Flavor is not the best or the worst, by far. Texture is thick. Use more water than the directions say...." Read more

"It mixes up well, not lumpy." Read more

"...Mixing it with water: You get a gritty, sandy texture when you try to chug it down...." Read more

"...Be warned that casein protein is very thick and creamy, much more so than traditional whey protein...." Read more

45 customers mention10 positive35 negative

Customers find the protein supplement powder very thick and chunky. They say it's too thick for shakes and will clump up once added to liquid. Customers also mention that the product has a very strong and unique smell.

"...Also, this casin protein is much denser and will clump up once added to liquid if not blended quickly...." Read more

"...wanted... vanilla... Shaking it with my blender bottle made the milk way too thick...." Read more

"...It's extremely thick. DO NOT MIX WITH MILK. If you mix this with milk, even oat or skim, it will become yogurt...." Read more

"...It is a mild chocolate flavor and the casein is slightly granular however, it becomes less noticeable if you let the shake sit for several minutes..." Read more

27 customers mention4 positive23 negative

Customers find the smell of the protein supplement powder to be disgusting, putrid, and thick. They also say it turns into sludge and pudding, making it un drinkable. Customers also mention that it tastes bad and is hard to digest.

"...Casein’s whole thing is it’s muddy, sticky, and hard to digest to slowly release protein...." Read more

"...It was DISGUSTING...." Read more

"...But it does have a weird smell to it and unless you are mixing it with frozen berries and other flavor enhancing items you will notice a not so good..." Read more

"...It's also great blended. The only issue is that the smell somewhat lingers in my blender bottle." Read more

Great Product But Flavor May Put Some Off
4 Stars
Great Product But Flavor May Put Some Off
Great product!This is my first time using casin and I have only been using protein shakes for roughly 4 months so this is pretty much first impression and can only compare to ON’s whey protist isolate which is the other product I have tried.Main critique for this casin protein is the flavor. At least relative to the whey protein product from ON. The flavor is not anywhere near as sweet and a little more “powdered milk like”. That said, I don’t mind it at all and find the whey protein version to be almost too sweet. Especially if I want to mix in something like a banana or other piece of fruit to add carbs.Also, this casin protein is much denser and will clump up once added to liquid if not blended quickly. Whereas the whey protein can simply be shaken into liquid and dissolves fine, I recommend this protein be blended if possible. I have one of those blenders that does the single cup which makes it much easier to use this product. Once blended it stays pretty well suspended and the occasional shake is all you need to get rid of any settling.Otherwise, I like the product. I have not experienced any digestive issues or discomfort of any kind. I have used it with water, skim milk and soy milk and all work fine. That said, I have a pretty solid digestive system and few things tend to upset it.I’ve been strength training since May and together with my nutrition plan, I believe this product has helped me with noticeable gains. However, take that with a grain of salt as I am relatively new to strength training and have no other frame of reference nor am I able to identify the effects of this product from the other aspects of my nutrition program.The product arrived in perfect condition, safety seals intact. I drove to a local supplement shop to see what the product and packaging look like before I purchased from Amazon and I have no doubt about the authenticity of the product so I would feel safe to continue to order this item from Amazon.
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Top reviews from the United States

Reviewed in the United States on February 20, 2016
Flavor Name: French VanillaSize: 4 Pound (Pack of 1)Verified Purchase
2 people found this helpful
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Reviewed in the United States on September 6, 2014
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Reviewed in the United States on May 7, 2023
Flavor Name: French VanillaSize: 2 Pound (Pack of 1)Verified Purchase
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Reviewed in the United States on September 12, 2021
Flavor Name: French VanillaSize: 4 Pound (Pack of 1)Verified Purchase
Customer image
4.0 out of 5 stars Great Product But Flavor May Put Some Off
Reviewed in the United States on September 12, 2021
Great product!

This is my first time using casin and I have only been using protein shakes for roughly 4 months so this is pretty much first impression and can only compare to ON’s whey protist isolate which is the other product I have tried.

Main critique for this casin protein is the flavor. At least relative to the whey protein product from ON. The flavor is not anywhere near as sweet and a little more “powdered milk like”. That said, I don’t mind it at all and find the whey protein version to be almost too sweet. Especially if I want to mix in something like a banana or other piece of fruit to add carbs.

Also, this casin protein is much denser and will clump up once added to liquid if not blended quickly. Whereas the whey protein can simply be shaken into liquid and dissolves fine, I recommend this protein be blended if possible. I have one of those blenders that does the single cup which makes it much easier to use this product. Once blended it stays pretty well suspended and the occasional shake is all you need to get rid of any settling.

Otherwise, I like the product. I have not experienced any digestive issues or discomfort of any kind. I have used it with water, skim milk and soy milk and all work fine. That said, I have a pretty solid digestive system and few things tend to upset it.

I’ve been strength training since May and together with my nutrition plan, I believe this product has helped me with noticeable gains. However, take that with a grain of salt as I am relatively new to strength training and have no other frame of reference nor am I able to identify the effects of this product from the other aspects of my nutrition program.

The product arrived in perfect condition, safety seals intact. I drove to a local supplement shop to see what the product and packaging look like before I purchased from Amazon and I have no doubt about the authenticity of the product so I would feel safe to continue to order this item from Amazon.
Images in this review
Customer image
Customer image
2 people found this helpful
Report

Top reviews from other countries

Yves Berthiaume
5.0 out of 5 stars This is the best tasting protein powder available
Reviewed in Canada on February 10, 2020
Flavor Name: ChocolateSize: 4 Pound (Pack of 1)Verified Purchase
MrJeager
5.0 out of 5 stars Chocolate Cream - Tastes great!
Reviewed in Canada on April 3, 2018
Flavor Name: ChocolateSize: 4 Pound (Pack of 1)Verified Purchase
Kee Ghim Hui
2.0 out of 5 stars Tub dented
Reviewed in Singapore on November 12, 2019
Flavor Name: French VanillaSize: 4 Pound (Pack of 1)Verified Purchase
Customer image
Kee Ghim Hui
2.0 out of 5 stars Tub dented
Reviewed in Singapore on November 12, 2019
2 tubs were squeezed into a box that is too small to fit them properly. Both arrived dented.
Images in this review
Customer image
Customer image
Anthony Jenkins
5.0 out of 5 stars Good
Reviewed in Canada on March 12, 2021
Flavor Name: ChocolateSize: 4 Pound (Pack of 1)Verified Purchase
Bryer Rice
4.0 out of 5 stars it works great though.
Reviewed in Canada on June 21, 2018
Flavor Name: ChocolateSize: 4 Pound (Pack of 1)Verified Purchase

Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.