Nutrition checked · Oct 3, 2026
Optimum Nutrition
Gold Standard 100% Isolate, Chocolate Bliss, 3 lb
This whey isolate provides 25g of protein per 31g serving, equal to 81% protein density.
Observed US listing price: $89.99. Regional display is a reference conversion, not a live quote.
Label-led comparison
What the numbers mean
Protein / serving25gFrom the exact package label
Protein density81%Protein g ÷ serving g × 100
Calories / serving110 kcalFrom the package label
Sugar / servingnot significantFrom the package label
Cost / serving$2.05Observed price ÷ servings
Estimated 25g cost$2.05Normalized reference cost
Before you buy
Three checks still matter
- Match the variation.Confirm the flavor, package size and product ID; nutrition can vary between versions.
- Read ingredients and allergens.Type labels do not prove suitability for allergies, lactose avoidance or a vegan diet.
- Verify checkout details.Price, stock, promotions, shipping, tax and import charges can change by destination.
Same protein type
Compare related products
| Product | Protein | Density | Calories | Sugar | 25g cost | Details |
|---|---|---|---|---|---|---|
 NOW FoodsSports Whey Protein Isolate, Unflavored, 5 lbs | 24g | 86% | 110 kcal | 0g | $1.29 | View |
 California Gold NutritionSport Whey Protein Isolate, Unflavored, 5 lb | 27g | 87% | 120 kcal | 0g | $1.33 | View |
 AnimalIsolate Loaded Whey Protein Powder, Chocolate, 4 lb | 25g | 74% | 125 kcal | 1g | $1.38 | View |
 Nutrex ResearchIsoFit, Chocolate Shake, 5.1 lbs | 25g | 76% | 120 kcal | 1g | $1.57 | View |
 NutraBioWhey Protein Isolate, Strawberry Ice Cream, 5 lb | 25g | 83% | 120 kcal | 0g | $1.60 | View |
 NutraBioWhey Protein Isolate, Creamy Vanilla, 5 lb | 25g | 84% | 120 kcal | 0g | $1.60 | View |
Product questions
Frequently asked questions
How much protein is in Optimum Nutrition Gold Standard 100% Isolate, Chocolate Bliss, 3 lb?
The checked package label lists 25g of protein per 31g serving.
What does the displayed 25g cost mean?
It is an estimated reference cost of $2.05 to obtain 25g of protein, based on the observed iHerb US listing price and verified label inputs.
Is the displayed price current for my country?
No. Regional prices are reference conversions from the observed iHerb US listing price. Check the retailer for current local price, stock, shipping, tax and promotions.