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Optimum Nutrition

Gold Standard® 100% Whey Protein

White chocolate · Whey Protein Concentrate, Whey Protein Isolate, Hydrolyzed Whey · 31g serving

#71in Protein Powder(347)
✓ Gluten-Free✓ Vegetarian
1/2
XRay Score
71/100
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
5 lb · 73 servings
US$1.23/serving
US$89.99 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #71 of 347 · XRay Score 71/100
  • Strength: Value For Money (Top 26%)
  • Protein Source: Whey Isolate
  • Flavor: Chocolate And Sweet
  • Dietary: Gluten-Free

Gold Standard® 100% Whey Protein by Optimum Nutrition scores above average overall in the protein powder category with an XRay Score of 71/100, placing #71 out of 347. Its strongest dimension is value for money (top 26%), standing out on cost-effectiveness. The protein here comes from whey isolate, known for its clean amino acid profile and rapid absorption. It comes in a chocolate and sweet flavor profile. 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
#71 of 347
71/100XRay 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
#61 of 234
19.5 g/US$74th percentile
Leannessprotein-to-fat ratio — higher is better
#109 of 313
16.0:165th 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
···
#69
Impact Whey Isolate Powder (Banana)
Impact Whey Isolate Powder (Banana)
MyProtein
23.9g/100kcal71
#70
Impact Whey Protein Powder (Unflavoured)
Impact Whey Protein Powder (Unflavoured)
MyProtein
20.2g/100kcal71
#71
Gold Standard® 100% Whey Protein
Gold Standard® 100% Whey Protein
Optimum Nutrition
20.0g/100kcal71
#72
Impact Whey Isolate Powder (Salted Caramel)
Impact Whey Isolate Powder (Salted Caramel)
MyProtein
22.2g/100kcal70
#73
Impact Whey Isolate Powder (Matcha Blueberry)
Impact Whey Isolate Powder (Matcha Blueberry)
MyProtein
21.1g/100kcal70
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
79%
Fat
11%
Carbs
10%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (31g)Per 100g
Energy120kcal387.1kcal
Protein24g77.42g
Total Fat1.5g4.84g
Sat. Fat1g3.23g
Carbohydrates3g9.68g
Fiber——
Sugar2g6.45g
Sodium130mg419.35mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
5 lb2263g · 73 sv
Best Value
iHerb
Worldwide
US$89.99
US$1.23/sv
Buy Now
5 lb2263g · 73 servings
iHerb
Best Value
US$89.99
US$1.23/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
Optimum NutritionGold Standard® 100% Whey ProteinProtein Powder · Chocolate, Sweet · Whey Isolate · #71 of 347 Protein Powders
Gluten-FreeVegetarian
XRay Score
71/100
Weighted across
5 dimensions
Protein Efficiency20.0 g/100kcalValue for Money19.5 g/$Leanness16.0:1 P:FLow Carb—Fiber—
This productProtein Powder avg
Nutrition
/ serving 31g/ 100g
Calories120 kcal387 kcal
Protein24g77g
Fat1.5g4.8g
Carbs (total)3.0g9.7g
Fiber——
Sugar2.0g6.5g
Macro Split
120kcal/svg
Protein
79%
Fat
11%
Carbs
10%
Protein Powder Rankings
Value
Rank
Protein Efficiency
20.0 g/100kcal
#102/347
Value for Money
19.5 g/$
#61/234
Leanness
16.0:1 P:F
#109/313
Low Carb
—
—
Fiber
—
—
MacroXray logoMACROXRAY
Generated on Jun 14, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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