

💥 Unlock overnight gains with the gold standard in slow-release protein!
Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder offers 24g of slow-digesting micellar casein protein per serving, enriched with 9g of essential amino acids to support muscle recovery and satiety overnight. With 53 servings per 3.86 lb container and easy mixability, it’s the go-to choice for professionals seeking sustained muscle repair and premium nutrition from a trusted industry leader.





















| ASIN | B002DYJ0MK |
| Best Sellers Rank | #46,107 in Health & Household ( See Top 100 in Health & Household ) #145 in Sports Nutrition Protein Powder Blends #2,743 in Sales & Deals |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,225) |
| Date First Available | June 19, 2009 |
| Department | Adults |
| Is Discontinued By Manufacturer | No |
| Item model number | 1031648 |
| Manufacturer | Optimum Nutrition |
| Product Dimensions | 8.06 x 8.06 x 11.17 inches; 3.86 Pounds |
R**B
Best on the market
Cookies and cream is amazing. I drink once a day and never tire of it. High quality, taste great even with water! The macros are the best around the ingredients are very good!
N**.
Love it
Casein is an underrated supplement and this a great version of it. Great taste, decent value.
K**S
I LOVE OPTIMUM NUTRITION
I will rave about Optimum Nutrition all day, they make excellent SIMPLE products that don't include a bunch of fluff and they don't try and market themselves by promising that their products will do things for you that others won't. Their Casein protein is no exception. Their products are efficient and effective, and they taste good. Don't buy proteins that have a bunch of extra stuff in it (vitamins, BCAA's, etc.). While those are important and you should definitely be consuming them in one form or another, don't let a company mark up their protein 40% because they threw some extra stuff in their. In most cases, you can get better and more effective vitamins or BCAA's for less money by just buying them separately. Educate yourself on Casein in order to decide if it is right for you, and if it is, buy this stuff. It is worth noting that casein protein powder is much thicker then whey protein when you mix it with water and drink it, just something to be prepared for. When comparing different proteins, look at the nutrition facts and look at how much of the calories in a serving are coming from protein. When you are taking PROTEIN powder you expect most of the calories to be coming from protein right? You might be surprised by what you find out.
L**N
Mixes great, Tastes great
Probably one of the best powders I've tried. Mixes well, no clumps and tastes great, no nasty aftertaste. Literally my only gripe is that they put these little crunchy chocolate crisps in the mix that do not blend or melt. They immediately sink to the bottom so you're left with these all over your blender bottle. Not sure why they did that as it's a drink, not something you chew. Pretty sure this issue is exclusive to the cookie and cream tubs. If it wasn't for that it'd be 5/5 stars.
T**T
Great protein and taste at incredible cost
I found the 4 pound version of this on Amazon for less than what GNC was charging for 2 pounds in the store! It arrived sealed and fresh. The taste is smooth and better than I've experienced with most other proteins, though this is always a bit subjective. It seems to taste like cookies and cream to me - especially when mixed with skim milk versus water. I take this every night before going to bed to keep the muscles well-fed during recovery. I like that when I wake up after taking this at night, I'm not ravenously hungry in the morning. This helps me from over-eating at breakfast and pacing my calories more evenly across the day. I also feel stronger for my morning cardio routines (I run 30 minutes in the morning and lift weights later in the day after work). I can definitely tell when I have forgotten to take this the night before.
K**Z
Great Casein
Great product. Used it during Ramadan to keep my protein intake high. Did not experience bloating like I’ve heard it can do. Great taste will continue to use!
M**R
Good stuff
My experience with ON casein so far. (2 flavors) Peanut butter Chocolate: TASTE - Awesome with milk which is the way I drink my protein shakes. Completely different story with water. Its horrible. Hard to even finish. MIXIBILTY - With milk it takes a good amount of effort to even get it to a drinkable state. It does not mix very well. Almost every time you will get clumps no matter what you do. Ive learned over time never put the powder in first. It will just stick to the bottom. I pour milk, powder and then finish it off with milk. Makes is a lot easier to mix. Cookies and Cream: TASTE - Very good. To me it tastes like a combination of graham crackers and cream. With milk its great but what surprised me was with water. Its almost as good, nothing like peanut butter chocolate. Which is nice if you do not prefer milk with your shakes. MIX - Again completely different story then Peanut butter Chocolate. Mix very easily with both milk and water. No clumps what so ever. I'm basing my 5 stars on cookies and cream only. Peanut butter chocolate I would give 4 stars due to the fact its harder to mix and tastes horrible with water.
P**.
Beast of a protein
To start off, casein protein is not for everyone. Only use this product depending on your training and diet! Do your research before complaining. Everyone is different, keep that in mind. I use casein protein while in on a caloric deficit and intermittent fasting. Doesn't make sense right? Too many carbohydrates, fats, protein synthesis? Look here, everyone is different in every single angle. Im currently training at 5 am following a low carb, high protein diet. Now, my fasting start at 2pm. I have a meal around 7-8 am. Im fasting for about 18 hours. The trick here is that i take casein protein as my last meal. No sense right? Its recommended to take it at night to avoid all that stuff. Now casein while IF, it can happen. No food digest in minutes, neither casein. It takes 8 hours to digest. As of me, I have seen a different, ONLY FOR ME. My body currently releases amino acids even while on intermittent fasting with low calories. Burn fat and build muscle? Its possible under strictly conditions. Do your research. Bottom line. Beast of a product. Amazing taste and great profile. Would definitely recommend it to everyone.
C**N
First time I open the lid of an Option Nutrition product and didn't find a seal.
L**F
Would not recommend cookies and cream flavour, it’s filled with cookie chunks which don’t dissolve in water. It might be good if you incorporate it into your cooking eg some pastries, but you would be better off with chocolate/vanilla flavours if you just want a shake to mix with water/milk.
A**S
Es la prote que uso antes de dormir. Bastante ligera y de buen sabor.
A**T
great product, mixes well, thick, taste not that good, overall its great
C**N
Llegó en tiempo y forma si es original
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