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Optimum Nutrition

Gold Standard® 100% Isolate, Chocolate Bliss

Chocolate bliss · Whey Protein Isolate, Hydrolyzed Whey · 31g serving

#58in Protein Powder(347)
✓ Gluten-Free✓ Vegetarian
1/2
XRay Score
73/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
25g
Protein /serving
—
Fiber /serving
110
kcal /serving
22.7g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
3 lb · 44 servings
US$1.85/serving
US$81.55 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #58 of 347 · XRay Score 73/100
  • Strength: Leanness (Top 3%)
  • Weakness: Value For Money (Bottom 73%)
  • Protein Source: Whey Isolate
  • Flavor: Chocolate And Sweet
  • Dietary: Gluten-Free

Gold Standard® 100% Isolate, Chocolate Bliss by Optimum Nutrition holds a solid ranking in the protein powder category with an XRay Score of 73/100, placing #58 out of 347. Its strongest dimension is leanness (top 3%), keeping fat content low relative to protein. On the flip side, cost per gram of protein is relatively high (bottom 73% of the category). Built on whey isolate — a refined, fast-digesting protein with minimal fat and lactose. It comes in a chocolate and sweet flavor profile. This product also is gluten-free.

How It Ranks

Ranked against 347 products in this category.

XRay Score5D weighted score across all dimensions
#58 of 347
73/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#23 of 347
22.7g/100kcal25.0g/serving94th percentile
Value for Moneygrams of protein per unit of currency — higher is better
#170 of 234
13.5 g/US$28th percentile
Leannessprotein-to-fat ratio — higher is better
#9 of 313
50.1:197th percentile
Low Carbnet carbs per 100g — lower is better
No data
——
Fiberfiber per 100g — higher is better
No data
——

Leaderboard

XRay Score — Protein Powder (347 products)

RankProductProtein Eff.g/100kcalScore/100
#1
Impact Soy Protein (Unflavoured)
Impact Soy Protein (Unflavoured)
MyProtein
23.6g/100kcal98
···
#56
Impact Whey Isolate Powder (Blueberry)
Impact Whey Isolate Powder (Blueberry)
MyProtein
22.2g/100kcal73
#57
Isolate Loaded Whey Protein Powder, Frosted Cinnamon Bun
Isolate Loaded Whey Protein Powder, Frosted Cinnamon Bun
Animal
20.8g/100kcal73
#58
Gold Standard® 100% Isolate, Chocolate Bliss
Gold Standard® 100% Isolate, Chocolate Bliss
Optimum Nutrition
22.7g/100kcal73
#59
Grass-Fed Impact Whey Isolate (Cocoa Naturally Derived Sweeteners)
Grass-Fed Impact Whey Isolate (Cocoa Naturally Derived Sweeteners)
MyProtein
22.0g/100kcal73
#60
Impact Whey Isolate Powder (Chocolate Orange)
Impact Whey Isolate Powder (Chocolate Orange)
MyProtein
22.4g/100kcal72
See all 347 ranked →

Performance

Visual comparison across the 5 dimensions and macronutrient split.

Radar

How this product compares on each dimension — overlaid on the category median (gray). Larger area is always better. Hover any label for raw values and formula.

ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
This productAverage Protein Powder(n=347)
Learn more about our methodology →

Macro Split

110kcal/serving
Protein
92%
Fat
4%
Carbs
4%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (31g)Per 100g
Energy110kcal354.84kcal
Protein25g80.65g
Total Fat0.5g1.61g
Sat. Fat——
Carbohydrates1g3.23g
Fiber——
Sugar——
Sodium190mg612.9mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
3 lb1364g · 44 sv
Best Value
iHerb
Worldwide
US$81.55
US$1.85/sv
Buy Now
3 lb1364g · 44 servings
iHerb
Best Value
US$81.55
US$1.85/serving
Worldwide
Buy
Prices shown in each retailer's original currency. Shipping availability and delivery to your country depend on the retailer.

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Disclaimer — All nutritional data and product information is provided to the best of our knowledge based on publicly available sources and may contain inaccuracies. MacroXray is not responsible for discrepancies between listed and actual product data. Nothing on this site constitutes medical, dietary, or nutritional advice. Always consult a qualified healthcare professional before making changes to your diet. Dietary restriction labels (e.g. gluten-free, vegan) are based on ingredient information and may not account for cross-contamination or manufacturing processes — always verify with the manufacturer if you have allergies or intolerances. Halal, Kosher and other certifications shown are based on product labeling or third party site descriptions; actual certification status may vary by region and should be confirmed with the certifying body or manufacturer. Prices shown are sourced from third-party retailers at the time of last scan and may have changed since then. MacroXray is not a retailer and does not sell products directly.

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Optimum Nutrition Gold Standard® 100% Isolate, Chocolate Bliss
Optimum NutritionGold Standard® 100% Isolate, Chocolate BlissProtein Powder · Chocolate, Sweet · Whey Isolate · #58 of 347 Protein Powders
Gluten-FreeVegetarian
XRay Score
73/100
Weighted across
5 dimensions
Protein Efficiency22.7 g/100kcalValue for Money13.5 g/$Leanness50.1:1 P:FLow Carb—Fiber—
This productProtein Powder avg
Nutrition
/ serving 31g/ 100g
Calories110 kcal355 kcal
Protein25g81g
Fat0.5g1.6g
Carbs (total)1.0g3.2g
Fiber——
Sugar——
Macro Split
110kcal/svg
Protein
92%
Fat
4%
Carbs
4%
Protein Powder Rankings
Value
Rank
Protein Efficiency
22.7 g/100kcal
#23/347
Value for Money
13.5 g/$
#170/234
Leanness
50.1:1 P:F
#9/313
Low Carb
—
—
Fiber
—
—
MacroXray logoMACROXRAY
Generated on Jun 14, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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