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Optimum Nutrition

Gold Standard® 100% Whey Protein, Extreme Milk Chocolate

Extreme milk chocolate · Whey Protein Concentrate, Whey Protein Isolate, Hydrolyzed Whey · 32g serving

#208in Protein Powder(347)
✓ Gluten-Free✓ Vegetarian✓ Sugar-Free
1/2
XRay Score
48/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
24g
Protein /serving
—
Fiber /serving
120
kcal /serving
20.0g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
2 lb · 28 servings
US$2.04/serving
US$56.99 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #208 of 347 · XRay Score 48/100
  • Strength: Protein Efficiency (Top 29%)
  • Weakness: Value For Money (Bottom 81%)
  • Protein Source: Whey Isolate
  • Flavor: Chocolate And Sweet
  • Dietary: Gluten-Free

Gold Standard® 100% Whey Protein, Extreme Milk Chocolate by Optimum Nutrition performs at par with most competitors in the protein powder category with an XRay Score of 48/100, placing #208 out of 347. Its strongest dimension is protein efficiency (top 29%), offering excellent protein-to-calorie efficiency. On the flip side, value for money is a weaker point (bottom 81% of the category). Built on whey isolate — a refined, fast-digesting protein with minimal fat and lactose. Flavor-wise, it features chocolate and sweet notes. Notably, as stated, this product is gluten-free.

How It Ranks

Ranked against 347 products in this category.

XRay Score5D weighted score across all dimensions
#208 of 347
48/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#102 of 347
20.0g/100kcal24.0g/serving71st percentile
Value for Moneygrams of protein per unit of currency — higher is better
#190 of 234
11.8 g/US$19th percentile
Leannessprotein-to-fat ratio — higher is better
#155 of 313
12.0:151st 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
···
#206
Plant Protein Superblend (Chocolate)
Plant Protein Superblend (Chocolate)
MyProtein
19.2g/100kcal49
#207
100% Whey Protein™ Powder, Classic Vanilla
100% Whey Protein™ Powder, Classic Vanilla
Animal
18.2g/100kcal49
#208
Gold Standard® 100% Whey Protein, Extreme Milk Chocolate
Gold Standard® 100% Whey Protein, Extreme Milk Chocolate
Optimum Nutrition
20.0g/100kcal48
#209
Warrior Blend Protein (Unflavored)
Warrior Blend Protein (Unflavored)
Sunwarrior
19.0g/100kcal48
#210
Sport, Whey Protein Isolate, Dark Chocolate
Sport, Whey Protein Isolate, Dark Chocolate
California Gold Nutrition
18.0g/100kcal48
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

120kcal/serving
Protein
76%
Fat
14%
Carbs
10%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (32g)Per 100g
Energy120kcal375kcal
Protein24g75g
Total Fat2g6.25g
Sat. Fat1g3.12g
Carbohydrates3g9.38g
Fiber——
Sugar2g6.25g
Sodium130mg406.25mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
2 lb896g · 28 sv
Best Value
iHerb
Worldwide
US$56.99
US$2.04/sv
Buy Now
2 lb896g · 28 servings
iHerb
Best Value
US$56.99
US$2.04/serving
Worldwide
Buy
Prices shown in each retailer's original currency. Shipping availability and delivery to your country depend on the retailer.

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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Your Protein. Your Rules. Ranked. We rank based on published nutrition data — no sponsored rankings, no mystery grades. Just numbers.

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Optimum Nutrition Gold Standard® 100% Whey Protein, Extreme Milk Chocolate
Optimum NutritionGold Standard® 100% Whey Protein, Extreme Milk ChocolateProtein Powder · Chocolate, Sweet · Whey Isolate · #208 of 347 Protein Powders
Gluten-FreeVegetarianSugar-Free
XRay Score
48/100
Weighted across
5 dimensions
Protein Efficiency20.0 g/100kcalValue for Money11.8 g/$Leanness12.0:1 P:FLow Carb—Fiber—
This productProtein Powder avg
Nutrition
/ serving 32g/ 100g
Calories120 kcal375 kcal
Protein24g75g
Fat2.0g6.3g
Carbs (total)3.0g9.4g
Fiber——
Sugar2.0g6.3g
Macro Split
120kcal/svg
Protein
76%
Fat
14%
Carbs
10%
Protein Powder Rankings
Value
Rank
Protein Efficiency
20.0 g/100kcal
#102/347
Value for Money
11.8 g/$
#190/234
Leanness
12.0:1 P:F
#155/313
Low Carb
—
—
Fiber
—
—
MacroXray logoMACROXRAY
Generated on Jun 14, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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