Optimum Nutrition Gold Standard 100% Whey Protein Powder, Extreme Milk Chocolate, 10 Pound (Packaging May Vary)
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Flavor Name: Extreme Milk Chocolate
Size: 10 Pound (Pack of 1)
Features
- Gold Standard 100% Whey - 24g of protein per serving to help build and maintain muscle when taken over time with regular resistance training
- 5.5g of aturally occurring branched chain amino acids (BCAAs) to support muscle recovery
- Anytime formula great before or after exercise, between meals, with a meal, or any time of day when you need extra protein
- Banned substance tested and the highest quality control measures so you feel comfortable and confident consuming the product
- Optimum Nutrition is Sports Nutrition Brand
Description
Optimum Nutrition Gold Standard 100% Whey Protein Powder helps build and maintain muscle mass when taken regularly and combined with strength training exercise. Made with whey protein isolate as the primary ingredient, this protein supplement powder ensures that you're getting high quality protein with every serving. The hydrolyzed whey protein powder isolate creates a post- workout drink mix that supports muscle recovery. Each serving of this delicious powder provides 24 grams of all whey protein, along with 11.4 grams of naturally occurring essential amino acids (EAAs) to support after workout muscle recovery. Optimum Nutrition protein powder mixes easily using a shaker cup or blended in a smoothie. Gold Standard 100% Whey has fueled billions of workout recoveries worldwide.
Is Discontinued By Manufacturer : No
Product Dimensions : 11.5 x 6 x 17 inches; 10 Pounds
Item model number : 1060580
Date First Available : June 14, 2015
Manufacturer : Glanbia Performance Nutrition
Best Sellers Rank: #22 in Health & Household (See Top 100 in Health & Household) #1 in Sports Nutrition Whey Protein Powders #3 in Sales & Deals
#1 in Sports Nutrition Whey Protein Powders:
#3 in Sales & Deals:
Customer Reviews: 4.7 4.7 out of 5 stars (29,373)
Flavor: Extreme Milk Chocolate
Diet Type: Gluten Free, Keto
Product Benefits: Banned Substane Tested, Muscle Endurance, Muscle Growth, Muscle Recovery, Protein Support
Protein Source: Whey
Protein: 24 Grams
Vitamins And Minerals: 100 Milligrams, 130.0, 130.0, 200.0, 55.0 Milligrams
Total Servings Per Container: 141
Item Weight: 10 Pounds
Unit Count: 160 Ounce
Number of Items: 1
Item Dimensions: 11.5 x 6 x 17 inches
Brand Name: Optimum Nutrition
Package Type Name: Pouch
Age Range Description: Adult
Global Trade Identification Number: 59
UPC: 748927053159
Manufacturer Part Number: 1060580
Model Number: 1060580
Manufacturer: Glanbia Performance Nutrition
Recommended Uses For Product: Post-Workout
Allergen Information: Gluten Free, Milk, Soy
Material Type Free: Gluten Free
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jul 4
This item is non-returnable:
Non-returnable due to Food safety reasons
View our full returns policy here.
Non-returnable due to Food safety reasons
View our full returns policy here.
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Top Amazon Reviews
Flavor Name: Extreme Milk Chocolate
Size: 5 Pound (Pack of 1)
In the realm of fitness supplements, it's rare to come across a product that not only meets but exceeds your expectations. Optimum Nutrition's Gold Standard 100% Whey Protein Powder in Extreme Milk Chocolate flavor is one such gem that has set a high bar for quality and effectiveness in the industry. Having experimented with various brands over the years, I can confidently say that nothing comes close to the quality offered by this product. Firstly, the flavor profile of the Extreme Milk Chocolate is a game-changer. Unlike other protein powders that can become monotonous or unpleasant over time, this flavor is so well-crafted that it's a delight to consume daily. It’s rich, creamy, and has that perfect balance of sweetness and chocolate intensity, making it easy to look forward to your post-workout shake or a protein-packed snack anytime. Beyond its appealing taste, the real value of this whey protein lies in its effectiveness. Since integrating it into my fitness regimen, I've noticed a significant impact on muscle building and recovery. The high-quality protein, combined with a comprehensive amino acid profile, supports lean muscle synthesis and aids in recovery after rigorous workouts. It's evident that this product is designed not just for taste but for optimal physical performance. Another noteworthy feature is its mixability. Many protein powders tend to clump, leaving you with an unpleasant, gritty texture. However, with a good shaker, the Gold Standard Whey dissolves effortlessly into liquid, creating a smooth and enjoyable shake. While experiences may vary, I found that clumping was never an issue with this product, which speaks volumes about its formulation. Packaging and convenience are also commendable. The 5-pound option provides excellent value, ensuring you have a steady supply of high-quality protein. Moreover, the packaging is durable and designed to maintain the freshness of the powder. In conclusion, Optimum Nutrition's Gold Standard 100% Whey Protein Powder is more than just a supplement; it's a crucial component of a fitness lifestyle that prioritizes quality, taste, and results. The Extreme Milk Chocolate flavor is a standout choice for anyone looking to enhance their protein intake without compromising on taste or effectiveness. Whether you're an athlete, bodybuilder, or someone on a fitness journey, this whey protein powder is a reliable ally in achieving your health and fitness goals
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Reviewed in the United States on March 17, 2024 by Jorge Gonzales
Flavor Name: Extreme Milk Chocolate
Size: 2 Pound (Pack of 1)
It's one of the best proteins I've ever consumed, it tastes very good. It mixes super fast without leaving lumps, which is a success for after the gym. Excellent if you are in the stage of decreasing or maintaining weight.
Reviewed in the United States on May 9, 2026 Reviewed in the United States on May 9, 2026 by Marleni Mora
Flavor Name: Extreme Milk Chocolate
Size: 5 Pound (Pack of 1)
----Introduction---- We all know that whey protein works. It's one of the cheapest and most convenient ways to reach your protein goals if you can't get there with meals. "Cheaping out" on your whey doesn't always pan out, as anyone who has choked down a less expensive (but clumpy) tub of protein. Paying top dollar doesn't always guarantee positive results either. I've had some "premium" protein that I didn't care for because while it mixed great, it tasted terrible! I always seem to come back to ON whey protein because it fits the bill on all accounts (at least for me). ----Ingredient Profile---- It's got whey! (hey!). Around 24g of protein per scoop (~31g) you get a fair amount of protein, with the rest left over for "other stuff". The "other stuff" being 1g of fat and 3g of carbs, with one gram of those carbs coming from sugar. All this is from ONE label that I found (chocolate malt flavor), but if you look around the net at other labels of this product, you'll see slightly different numbers. What's up with that? The variance is most likely due to the MANY different flavors ON has on the market. The flavor will also affect what sweetener is used, as I have seen acesulfame potassium and sucralose (better known as the brand name Splenda) both alone and in combination depending on the flavor. It's good to be aware that this variance exists, but for most it shouldn't matter too much. I'm sure you can find other whey's with a tighter carb/sugar/fat/protein ratio, so if you're micromanaging your macros you might be concerned. But overall I think it's pretty good. On the topic of artificial sweeteners: I feel that artificial sweeteners are safe for the most part. Some people might disagree, but much of the clinical literature I have read (regarding aspartame, saccharine, and sucralose specifically) has indicated that they are safe in most people. Most problems I have heard are that people have trouble digesting large amounts of the stuff and get diarrhea. However, I feel that they are better than the amount of sugar (I.E., empty calories) it takes to achieve a similar sweetness. These are just my own thoughts and opinions, so use your best judgment. ----Taste---- Here is where a protein powder can really shine, in my opinion. With upwards to 24 different flavors, you're bound to find one that you like. I've tried a handful of them and they were great. My go-to has been the double rich chocolate, as I can add some peanut butter to it if I want to add some more calories/make it taste even better. I would recommend that you pick a flavor that you REALLY like before investing in a 10lb bag (strawberry got old after a while). ----Mixability---- ON's Whey always mixes easily and cleanly in both milk and water, with very little (if any) clumpage. The labeling states that you can stir it up with a spoon, but I recommend sticking to a good ol' shaker bottle. Full marks here. ----Dosing---- Dosing is easy peasy, just scoop up however much you need. One scoop per serving is pretty standard for most powders, with 24g per serving being normal as well. ----Effectiveness---- I can state with great certainty that ON's protein is effective. Working in the field that I do, some jobs in the past have had me working 12 hours a day with no breaks. Oftentimes, this would be my only source of protein (and sometime my only source of nutrition, period). Despite these conditions I was still able to hit my daily protein goals. I did have some digestive issues when I first started supplementing protein, but that was mostly because I made such a drastic change in my eating habits. Those have long since subsided, and my gut bacteria enjoy processing my protein without complaint. Also, Labdoor.com (an independent supplement testing lab) gave ON's Gold Standard 100% Whey Protein an A-. I feel that the "minus" comes from the inclusion of artificial sweeteners, which labdoor.com marks as "controversial". As I've said previously, I feel these claims are overstated. ----Value---- The best value is to buy in bulk, and ON offers a whopping 10lb bag for around $110 on amazon. That averages out to about 75 cents a serving, so I feel that I'm getting my money's worth. The most commonly carried size by most brick-and-mortar stores is the 5lb tubs, but sizes go all the way down to a 1.8lb package if you aren't a monster consumer like myself. Do note that not all flavors are carried in all sizes, as the 10lb bags are limited to around 5 flavors. ----Side Effects---- You might experience some cramping if you're new to supplementing protein, but that's usually because your body is getting used to processing protein in such a large bolus. It should pass fairly quickly. For those that still have problems, you might have issues processing whey in general. I have heard of people having success in switching to other protein sources such as soy in these cases. ----Conclusion---- If you want a whey protein that is affordable, mixes well, tastes great, and works, look no further. While you can probably find some other whey's with a slimmer carb profile, it won't beat ON's Gold Standard by much. Highly recommended.
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Reviewed in the United States on February 29, 2016 by Marilyn
Flavor Name: Extreme Milk Chocolate
Size: 5 Pound (Pack of 1)
Delicious flavors and a really decent value for the cost. I was buying Kachava for a while and was fed up with the slow shipping speeds and cost to product ratio, Optimum Nutrition makes a really good product and was recently featured in a Consumer Reports article that showed it had extremely low levels of lead compared to other brands. I like when a company looks out for its customers and I’m happy I made the switch, this powder mixes well with other fresh ingredients like bananas and peanut butter. It doesn’t really get clumpy and I find that two scoops doesn’t make me feel ill like with other brands. I’m able to get a good amount of protein in one drink and I don’t get bloated. I bought Vanilla Ice Cream, Extreme Milk Chocolate and Cookies ‘N Cream…my least fave was the Cookies ‘N Cream, it’s just very sweet tasting. The other two flavors were phenomenal and taste like what they’re trying to imitate. I’ll keep buying this brand if they keep up this quality, you can’t really go wrong with the Vanilla Ice Cream or Extreme Milk Chocolate. Try it. 👍🏼👍🏼
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Reviewed in the United States on December 20, 2025 Reviewed in the United States on December 20, 2025 by Rick
Flavor Name: Extreme Milk Chocolate
Size: 2 Pound (Pack of 1)
I bought this a month ago for my husband, and I’ve been using it myself after workouts from time to time. It mixes easily whether I use just a shaker bottle or stir it in a glass, it almost never clumps. We mainly use it post-workout, and it sits well on my stomach with no bloating or weird reactions. The flavor is fine and not overly sweet. To be honest, it’s a little mild for my taste, so if you prefer sweeter or more milkshake-like protein powders, this one might feel a bit light, especially when mixed with water. With milk, though, the flavor improves a lot and tastes much better. Other than that personal preference on sweetness, we haven’t had any issues with it so far.
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Reviewed in the United States on November 22, 2025 by Pang yu
Flavor Name: Extreme Milk Chocolate
Size: 5 Pound (Pack of 1)
Optimum Nutrition Gold Standard 100% Whey Protein Powder in Extreme Milk Chocolate has been my go-to protein for over 10 years, and for good reason! This protein powder consistently delivers exceptional quality and results, making it an essential part of my daily routine. The Extreme Milk Chocolate flavor is rich and indulgent, making it feel more like a treat than a supplement. I love mixing it with water for a quick post-workout shake, or blending it with almond milk and a banana for a more filling smoothie. It mixes effortlessly without clumping, which is a huge plus for me—no one wants to deal with chalky shakes! What really sets this protein apart is the high-quality ingredients. Each serving provides 24 grams of protein, sourced from whey protein isolate and concentrate, which helps support muscle recovery and growth. The added BCAAs are a great bonus, further enhancing the muscle recovery process after intense workouts. I’ve tried various protein powders over the years, but none have come close to the value offered by Optimum Nutrition. The quality-to-price ratio is unmatched, making it accessible for anyone serious about their fitness goals. The 5-pound tub lasts a long time, making it a cost-effective choice for daily supplementation. In addition to its effectiveness, I appreciate that this protein powder is low in sugar and fat, which aligns perfectly with my nutritional goals. It’s also incredibly versatile—I’ve used it in baking recipes, like protein pancakes and energy bars, without compromising the taste or texture. If you’re looking for a reliable, delicious, and effective protein supplement that stands the test of time, I can’t recommend Optimum Nutrition Gold Standard Whey enough. It’s not just a product; it’s a staple in my fitness journey, and I’m confident it will be for you too!
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Reviewed in the United States on October 21, 2024 by Bartek
Flavor Name: Extreme Milk Chocolate
Size: 2 Pound (Pack of 1)
Great protein powder! Mixes really well with no clumps and tastes good compared to others I’ve tried. Helps with recovery after workouts and doesn’t upset my stomach. Definitely one of the best out there.
Reviewed in the United States on April 8, 2026 by Salim
Flavor Name: Extreme Milk Chocolate
Size: 2 Pound (Pack of 1)
Great product, taste is good , and it's a good source of protein. Would absolutely recommend. I will say, if you have alot of the same flavor it can get a bit old at times haha. Good stuff.
Reviewed in the United States on May 30, 2026 by Amazon Customer