Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary)

4.52 (75 Reviews) Write a review

CAD $12.38CAD $128.99

1000 in stock
Buy now

About this item

  • 24 g High-Quality Whey Protein per Scoop – 100% of the protein from whey for a fast-absorbing, complete protein source that supports muscle maintenance and growth.
  • 5.5 g Naturally-Occurring BCAAs + 11g of naturally occurring EAAs – Delivers essential amino acids including leucine, isoleucine, and valine to support post-workout muscle recovery, muscle strength and muscle building when taken over time with regular resistance training.
  • Low Sugar, Low Carb, Low Fat — Ideal for Lean Muscle or Cutting Phases – With just ~1 g sugar, ~3 g carbs per serving, and whey protein isolate as the primary ingredient with further carbs and fat “isolated” out. It’s a high quality choice for athletes focused on lean muscle, weight management, or body-composition goals.
  • Instantized & Easy-Mix Formula (Great Mixability) – Designed to dissolve smoothly in water, milk, or smoothies with a spoon, shaker, or blender — perfect for fast post-workout shakes or convenient protein boosts.
  • Trusted Brand, Tested Quality & Versatile Use – For 35 years, athletes have trusted Optimum Nutrition to fuel their training. Gold Standard Whey is the trusted choice for gym-goers, athletes, and everyday fitness enthusiasts worldwide — use post-workout or as a protein supplement anytime.

Reviews

  1. Frank D. Brunke
    December 29, 2025
    Reliable protein with a great chocolate taste
    Optimum Nutrition Gold Standard Whey has been a consistent part of my routine for years, and the Double Rich Chocolate flavor is one of the better one...More
    Optimum Nutrition Gold Standard Whey has been a consistent part of my routine for years, and the Double Rich Chocolate flavor is one of the better ones I’ve tried.

    It mixes easily with water or milk and doesn’t clump, which makes post-workout prep quick. The texture is smooth, not chalky, and the chocolate flavor tastes real without being overly sweet or artificial.

    From a performance standpoint, it does what you want a whey protein to do. It’s easy to digest, sits well after hard workouts, and helps support recovery without feeling heavy. I use it after strength training and endurance sessions with no issues.

    The ingredient quality and consistency are what keep me coming back. You know exactly what you’re getting, batch after batch.

    If you want a dependable whey protein that tastes good, mixes well, and supports recovery without drama, this is a solid choice.
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Israel Reyes
    November 7, 2025
    Still needs some improvement with mixing
    The mixing can be better, there is still some lumps.
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    +1
    Manny
    November 1, 2025
    Where's the rest?
    Must've come in an oversized container. It tastes good tho.
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Luis
    September 8, 2025
    Buena proteína para ganar masa muscular
    en general, muy buen producto, no me gusta mucho el sabor, pero está bien, recomiendo que lo compren sin sabor
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    TechnoGecko
    July 31, 2025
    Shrinkflation!
    Shrinkflation strikes again. When I last bought this item it was sold at 2lbs, 907grams. Upon my most recent purchase it is now 1.98lbs, 899 grams. No...More
    Shrinkflation strikes again. When I last bought this item it was sold at 2lbs, 907grams. Upon my most recent purchase it is now 1.98lbs, 899 grams. Not a huge difference to most but with prices maintaining and occasionally increasing while the contents are lessening, it does sadden me. I still enjoy this product but I am disappointed in the shrinkage.
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    +2
    Veerain
    July 15, 2025
    Great for muscle fatigue
    The superior dissolvabilitiy is not so superior I would say... It's ok... Not bad but I would say big blobs are still left after mixing in cold milk (...More
    The superior dissolvabilitiy is not so superior I would say... It's ok... Not bad but I would say big blobs are still left after mixing in cold milk ( so if you are someone who doesn't like that...heads up for that)
    Btw the pack is too bulky but the amount they give is way too much for 65 servings...
    Which is a plus...

    But overall tastes great 👍🏻😃
    I almost very quickly recover mussel fatigue via this... This is soo effective.

    I feel energized after drinking it..

    The powder itself is not that thick, so it tastes like vanilla ice-cream
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Ciara Stephanie Doclan
    July 14, 2025
    Second buy!
    Why did you pick this product vs others?:This brand was the second recommended on reddit. I decided to buy the small one first to see whether I like i...More
    Why did you pick this product vs others?:
    This brand was the second recommended on reddit. I decided to buy the small one first to see whether I like it and it is now my favorite.! 
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Michael kushner
    July 10, 2025
    Broken open lost a lot of powder
    I have bought this before with no problem, so I am giving 4 stars but today it arrived broken open and powder all over the place, all over the contain...More
    I have bought this before with no problem, so I am giving 4 stars but today it arrived broken open and powder all over the place, all over the container and inside the box.
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Muy lindos y buena calidad lo recomiendo
    June 7, 2025
    Buen sabor y excelente olor
    Perfecto después de los resultados la voy actualizar
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    +1
    No me gustó,los pomitos muy chiquitos y no se sabe cómo son los colores hasta q no los abres ,porque el papelito de la tapa no es para nada igual al color
    April 23, 2025
    Muy bueno
    Le doy 4 estrellas porque el pomo viene casi por la mitad ,por lo demás está excelente para mi que necesito engordar unas libras y una amiga me lo rec...More
    Le doy 4 estrellas porque el pomo viene casi por la mitad ,por lo demás está excelente para mi que necesito engordar unas libras y una amiga me lo recomendó
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Amira H
    March 9, 2025
    Great protein powder but missing half of it?
    I heard amazing things about this but upon receiving mine today, I noticed it was half full.. where is the rest of it??
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    +1
    Martin Diller
    January 30, 2025
    It’s great but…
    Love this product, but why is opening the bag like breaking into Fort Knox?
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    +1
    Jordan
    January 7, 2025
    Vanilla Great Cinnamon Gross
    I usually get the vanilla ice cream, it's really good and works great when mixing in fruit for smoothies. I tried the Cinnamon roll this time and I ca...More
    I usually get the vanilla ice cream, it's really good and works great when mixing in fruit for smoothies. I tried the Cinnamon roll this time and I can't even get halfway through. The Cinnamon roll flavor is so so thick I can't use my 50/50 milk/water ratio it makes it feel slimy. The flavor is also too much I was expecting like a cinnamon dulce De leches flavor almost but this is like you're drinking liquid bread with icing it makes me nauseous.
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    +1
    Gustavo Vasquez
    November 20, 2024
    Looks good but, Authentic?
    It looks authentic but came without O.N. security seal on the lid, so I have my doubts... However, the powder it's sealed on the inside once you remov...More
    It looks authentic but came without O.N. security seal on the lid, so I have my doubts... However, the powder it's sealed on the inside once you remove the lid. Let's hope it is original...
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    +1
    TMTLM13
    November 10, 2024
    Never had holes popped in the top of it before
    This is a brand I’ve used for over a year now and I enjoy the flavor. I like the nutritional facts. They’re better than a lot of others, though they’r...More
    This is a brand I’ve used for over a year now and I enjoy the flavor. I like the nutritional facts. They’re better than a lot of others, though they’re not perfect but one thing I did not appreciate this time was opening the bottle to find some type of stamped holes in the top that actually went through. It smelled the same. It tasted the same. Hopefully everything will be all right, but it certainly took away from the whole 100%.
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Kelsey
    August 5, 2024
    Excellent Product for the Price
    As an avid consumer of Protein products, I am pleasantly surprised by the Gold Standard Whey Chocolate. Although it is not the most delicious chocolat...More
    As an avid consumer of Protein products, I am pleasantly surprised by the Gold Standard Whey Chocolate. Although it is not the most delicious chocolate flavor, it certainly provides the nutrients needed and blends well with other products. Personally, I pair this with PB Fit2 and a Breakfast Essential packet... 😋
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    David R.
    June 4, 2023
    Buy it when it’s on sale
    I’ve tried most of the flavors at this point, but I always come back to vanilla ice cream. It blends well with fruit (blueberries), yogurt, etc. It’s ...More
    I’ve tried most of the flavors at this point, but I always come back to vanilla ice cream. It blends well with fruit (blueberries), yogurt, etc. It’s also often the flavor most deeply discounted.

    As far as protein powders go, I know ON generally has a decent reputation. It’s hard to know you can trust these companies. While they are tested for “banned substances,” at the current prices they sell this stuff for, I’d like some more info - independent lab tests for purity and safety would be nice.

    Complaints and fears aside, I’m a gout sufferer and I can’t eat meat. This stuff is helping me out a ton in the gym. I’ve lost 50 pounds in the last 6 months and maintained lean mass while featuring this heavily in my diet.

    Hit your macros, do resistance training, and go on some walks. Exercise is the best medicine!
    Helpful? 0 0
    Optimum Nutrition Gold Standard 100% Whey Protein Powder. Chocolate Peanut Butter. 2 Pound (Packaging May Vary) photo review
    Juan Padilla
    January 16, 2023
    Good overall, but consider a different flavor
    I think the protein has done it’s job. This was my first protein ever and I think I picked good. I’ve had days where I’ve used it and days I haven’t a...More
    I think the protein has done it’s job. This was my first protein ever and I think I picked good. I’ve had days where I’ve used it and days I haven’t and I think it’s shown. Obviously it’s hard to tell because growth also relies on your routine, but I do see growth. So it does its job as a protein. As a Mocha flavor though, it’s debatable. It is good, but it has this aftertaste that I don’t really like. I’ve had it with water, milk, and a smoothie but the aftertaste is still there. I like chocolate so that’s why I got it, but maybe consider a different flavor. Another thing, this may be a user error but every time i mix it there’s always some clumps of the powder. I don’t have any fancy shakers or anything I just use a fork or just shake the bottle really hard. (I usually find the shaking method better) Overall, I would recommend but maybe try something other than the chocolate flavor
    Helpful? 0 0
Add a review

Your email address will not be published. Required fields are marked *

Description

optimum nutrition whey protein, gold standard protein powder, whey protein isolate, ON protein shake
optimum nutrition whey protein, gold standard protein powder, BEST SELLING PROTEIN, ON protein shake
optimum nutrition whey protein, gold standard protein powder, BEST SELLING PROTEIN, ON protein shake
optimum nutrition whey protein, gold standard protein powder, BEST SELLING PROTEIN, ON protein shake
optimum nutrition whey protein, gold standard protein powder, BEST SELLING PROTEIN, ON protein shake
optimum nutrition whey protein, gold standard protein powder, BEST SELLING PROTEIN, ON protein shake
optimum nutrition whey protein, gold standard protein powder, BEST SELLING PROTEIN, ON protein shake
optimum nutrition whey protein, gold standard protein powder, isolate protein, ON protein shake
optimum nutrition whey protein, gold standard protein powder, gsw, 100% whey, ON protein shake

 

Specifications

  • Product Dimensions5.99 x 5.99 x 9.94 inches; 2 Pounds
  • Item model number1085245
  • Date First Available June 25, 2018
  • ManufacturerGlanbia Performance Nutrition
  • ASINB006E54GJG

Additional information

size

0.68 Pound (Pack of 1), 1 Pound (Pack of 1), 1.9 Pound (Pack of 1), 10 Pound (Pack of 1), 2 Pound (Pack of 1), 4.8 Pound (Pack of 1), 5 Pound (Pack of 1)

Back to Top
Product has been added to your cart