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Optimum Nutrition

Optimum Nutrition Gold Standard Whey Protein, Chocolate Peanut Butter, 5 LB

Based on 8,835 reviews
Condition: New
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$114.99

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At a glance

Condition
New
Flavor
Chocolate Peanut Butter
Size
5 lb (Pack of 1)
Dimensions
8.27 x 5.91 x 11.81 in
Weight
2.27 kg
Diet Type
Gluten Free, Keto
Protein Source
Whey

Features 6

  • GOLD STANDARD WHEY PROTEIN - 24 g of premium whey protein per scoop from whey protein isolate and concentrate to help build and maintain lean muscle when paired with regular resistance training.
  • ANYTIME FORMULA - A great choice post run or lift, between meals, with a meal, or any time of day when you need extra protein.
  • POST WORKOUT RECOVERY - Loaded with 5.5 g of naturally occurring BCAAs (branched-chain amino acids) and 11 g of essential amino acids (EAAs) to supercharge recovery and get the most out of your workouts.
  • TRUSTED AND SAFE - Banned-substance tested and made by the worlds #1 sports nutrition brand - The Gold Standard for protein quality so you feel comfortable and safe down to the last scoop!

Description

Optimum Nutrition GOLD STANDARD 100% WHEY Protein powder supports muscle and post-workout recovery with 24g of quality protein; gluten free with 5.5g of naturally occurring BCAAs and 11g of naturally occurring EAAs per serving to support muscle recovery. ON's Gold Standard Whey is Banned Substance Tested so you can trust the protein powder you are consuming! It’s crafted to be a complete; fast-digesting protein with whey protein isolate as the primary source – a filtered form of whey that can support protein goals for people at every level of fitness – from daily runners and gym-goers to competitive strength athletes and everyone in between. With great-tasting flavor options; satisfying texture; and easy mixing with only a glass and spoon; you’ll always look forward to getting the protein you want in your active; performance- driven lifestyle. Try using Gold Standard Whey in your favorite recipes to plus-up your protein intake! It’s everything you’ve come to expect from OPTIMUM NUTRITION: The World’s 1 Sports Nutrition Brand.

Specs 27

Product Dimensions 8.27 x 5.91 x 11.81 inches; 5 pounds
Item model number 1081656
Department Adults
Manufacturer Glanbia Performance Nutrition
Flavor Chocolate Peanut Butter
Diet Type Gluten Free, Keto
Product Benefits Banned Substane Tested, Muscle Endurance, Muscle Growth, Muscle Recovery, Protein Support
Protein Source Whey

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 3

This item is non-returnable:

Non-returnable due to Food safety reasons

View our full returns policy here.

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Top Amazon Reviews

TASTE GOOD
Flavor Name: Chocolate Peanut Butter Size: 2 Pound (Pack of 1)
Review Image by ERIC_A
Review Image by ERIC_A
## Review: Great Flavor and Reliable Consistency **Rating: ⭐⭐⭐⭐⭐** I’ve tried quite a few protein powders over the years, and the **Optimum Nutrition Gold Standard Whey** continues to be a staple for a reason. Here is a breakdown of why this specific Chocolate Peanut Butter version works well: ### Flavor & Mixability The Chocolate Peanut Butter flavor strikes a nice balance. It isn't overly sweet or "artificial" tasting like some other brands. If you mix it with milk or a milk alternative, it tastes very much like a Reese’s Cup; with water, it’s a bit lighter but still maintains the peanut butter richness. As for the texture, it dissolves almost instantly. I usually use a standard shaker bottle, and I haven't run into issues with clumping or that gritty "chalk" texture at the bottom of the glass. ### Nutritional Value With **24g of protein** and **5.5g of naturally occurring BCAAs** per serving, the macros are solid for anyone looking to support muscle recovery or hit daily protein goals without a massive amount of extra calories or sugar. ### Digestibility One of the best things about the "Gold Standard" line is that it doesn’t sit heavy on the stomach. I’ve found it easy to digest even when taken shortly after a workout, which isn't always the case with lower-quality whey concentrates. ### Pros: * **Top-tier mixability:** No blender required. * **Versatile:** Tastes great in oats, smoothies, or just plain. * **Reliable Quality:** You know exactly what you’re getting with ON. ### Cons: * **Price:** It is often priced at a premium compared to "budget" brands, but the quality usually justifies the extra few dollars. --- **Bottom Line:** If you want a protein powder that actually tastes like a treat and mixes perfectly every time, you can’t go wrong with the Chocolate Peanut Butter. It’s a safe, high-quality bet for both beginners and long-time lifters. ... show more
Reviewed in the United States on May 13, 2026 by ERIC_A
Great Protein and Tastes Good
Flavor Name: Chocolate Peanut Butter Size: 2 Pound (Pack of 1)
I really like this protein. It tastes good, mixes easily, and doesn’t leave a weird texture. I’ve been using it after my workouts and it’s very convenient and easy to prepare. The container is a good size and lasts a while. I would definitely buy it again
Reviewed in the United States on August 18, 2026 by Janys Estrada ✨
Tastes really great, not clumpy
Flavor Name: Chocolate Peanut Butter Size: 2 Pound (Pack of 1)
I was surprised with how good it tastes! I just use 8 fl oz of water. I got the Chocolate Peanut Butter one. It dissolves really easily, after about 30 seconds of shaking, and isn't clumpy at all. I've had a lot of pre-made protein drinks, and they are usually pretty nasty, making them hard to finish. This one, I wish I could drink more of each time. One time they accidentally sent me the Double Chocolate flavor, and I couldn't drink that one when mixed with water. It tastes pretty terrible. If you mix that one with milk and peanut butter or banana, then it will taste good. ... show more
Reviewed in the United States on December 21, 2022 by Thomas
Literally dessert
Flavor Name: Chocolate Peanut Butter Size: 2 Pound (Pack of 1)
This stuff tastes like straight-up dessert. Amazing. I've tried the vanilla ice cream and the peanut butter chocolate, and they're both delicious. This is gonna be my go-to protein powder now. There are some cheaper brands, but not nearly as yummy as this one.
Reviewed in the United States on September 2, 2026 by Merrilee
I’ve tried multiple flavors
Flavor Name: Chocolate Peanut Butter Size: 2 Pound (Pack of 1)
I drink this powder mixed with water every morning and have found some work like that a lot better than others. I’ve tried the rich milk chocolate, chocolate malt, vanilla icecream, and chocolate peanut butter. I loved all the chocolate flavors. I found the malt one would end up a little thinner than the others. It was my least favorite chocolate one but still pretty good. The vanilla ice cream one isn’t great if you like to drink it just mixed with water. It ends up a super thick consistency for some reason so you have to add more water to it than the other flavors. The taste is also just not the best. I add cinnamon to it and that helps get it down a little easier. I’ve also added peppermint extract and that helps. Overall I really enjoy this protein powder and am excited to try the other flavors! ... show more
Reviewed in the United States on August 30, 2024 by Aubrey
Tastes good and serves it's purpose
Flavor Name: Chocolate Peanut Butter Size: 5 Pound (Pack of 1)
I use a scoop into around 6 ounces of milk and shake with one of those shakers with a metal mixer ball in it. Easy enough and satiates my appetite.
Reviewed in the United States on October 11, 2026 by Shane
taste amazing
Flavor Name: Chocolate Peanut Butter Size: 2 Pound (Pack of 1)
The chocolate peanut butter was actually really good tasting. Everything else I've tried from other brands I've had to choke down but this stuff is really good
Reviewed in the United States on September 22, 2026 by Dylan
Good value
Flavor Name: Chocolate Peanut Butter Size: 2 Pound (Pack of 1)
Product mixes well
Reviewed in the United States on October 13, 2026 by Jason S
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