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A long-running staple, Gold Standard 100% Whey pairs 24 g of protein per scoop with Informed Sport certification, meaning it's third-party tested for banned substances. The 907 g tub holds 29 servings in a classic vanilla ice cream flavour.
Track how the price has changed over the last 90 days on Amazon.ca.
The brand behind this product — their story and what they stand for.
Optimum Nutrition's sizeable 16-product catalogue revolves around its Gold Standard 100% Whey and Isolate lines, offered in flavours from vanilla to chocolate peanut butter. Creatine, pre-workout, BCAAs and a mass gainer widen the range, and select products carry Informed Sport testing.
Understand which fitness goals this product is best suited for.
Muscle Gain
Supports muscle growth and recovery when combined with resistance training and a protein-rich diet.
A quick look at pricing, tier, and how it stacks up against the category average.
Step-by-step usage instructions so you get the most out of every serving.
Mix 1 scoop with 200–300ml of cold water or milk in a shaker bottle.
Shake vigorously for 15–20 seconds until smooth.
Best consumed within 30 minutes after your workout or as a protein-rich snack between meals.
Use cold water for a lighter drink or cold milk for a creamier shake and extra protein.
See how this product compares to similar options in its category.
| This Product | PEScience | Boost | Pure Protein | |
|---|---|---|---|---|
| Price | $64.99 | $14.99 | $21.24 | $22.98 |
| Per Serving | $2.24/serving | $3.00/serving | $3.03/serving | $1.53/serving |
| Protein | 24g | 24g | 24g | 24g |
| Servings | 29 | 5 | 7 | 15 |
| Lab Tested | ✓ | ✗ | ✗ | ✗ |
| Rating | 4.6 ★ | 4.6 ★ | 4.4 ★ | 4.4 ★ |
Common questions about this product — answered clearly and honestly.
Yes, this product is vegetarian-friendly. It does not contain any non-vegetarian ingredients.
Yes, this product has been lab tested by Informed Sport. Third-party lab testing verifies that the product contains what the label claims, giving you confidence in its quality and purity.
Each serving provides 24g of protein. A decent protein hit — suitable for snacking or supplementing your meals.
This product is available in Vanilla Ice Cream. Flavour preferences are personal — chocolate and unflavoured tend to be the most versatile options.
The total pack weight is 0.907kg. With 29 servings, this should last approximately 29 days if you take 1 serving daily.
The most popular time is within 30 minutes post-workout for muscle recovery. However, total daily protein intake matters more than timing. You can also use it as a meal supplement or snack to boost your protein intake anytime.
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