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Optimum Nutrition

Gold Standard® 100% Casein, Cookies & Cream

Cookies & cream · Casein, Micellar Casein · 33g serving

#87in Protein Powder(347)
✓ Vegetarian
1/2
XRay Score
67/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
24g
Protein /serving
—
Fiber /serving
110
kcal /serving
21.8g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
3.85 lb · 53 servings
US$1.98/serving
US$104.68 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #87 of 347 · XRay Score 67/100
  • Strength: Leanness (Top 6%)
  • Weakness: Value For Money (Bottom 78%)
  • Protein Source: Casein
  • Flavor: Sweet And Vanilla

Gold Standard® 100% Casein, Cookies & Cream by Optimum Nutrition holds a solid ranking in the protein powder category with an XRay Score of 67/100, placing #87 out of 347. Its strongest dimension is leanness (top 6%), delivering lean macros. On the flip side, cost per gram of protein is relatively high (bottom 78% of the category). It uses casein protein, a slow-digesting dairy source often chosen for sustained amino acid release. It comes in a sweet and vanilla flavor profile.

How It Ranks

Ranked against 347 products in this category.

XRay Score5D weighted score across all dimensions
#87 of 347
67/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#51 of 347
21.8g/100kcal24.0g/serving86th percentile
Value for Moneygrams of protein per unit of currency — higher is better
#182 of 234
12.2 g/US$22nd percentile
Leannessprotein-to-fat ratio — higher is better
#19 of 313
47.8:194th 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
···
#85
Gold Standard® 100% Whey, Strawberries & Cream
Gold Standard® 100% Whey, Strawberries & Cream
Optimum Nutrition
20.0g/100kcal67
#86
100% Whey Protein Blend (Vanilla)
100% Whey Protein Blend (Vanilla)
Ascent
20.8g/100kcal67
#87
Gold Standard® 100% Casein, Cookies & Cream
Gold Standard® 100% Casein, Cookies & Cream
Optimum Nutrition
21.8g/100kcal67
#88
Isolate Loaded Whey Protein Powder, Chocolate
Isolate Loaded Whey Protein Powder, Chocolate
Animal
20.0g/100kcal67
#89
Gold Standard® 100% Whey, French Vanilla Creme
Gold Standard® 100% Whey, French Vanilla Creme
Optimum Nutrition
20.0g/100kcal67
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
85%
Fat
4%
Carbs
11%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (33g)Per 100g
Energy110kcal333.33kcal
Protein24g72.73g
Total Fat0.5g1.52g
Sat. Fat——
Carbohydrates3g9.09g
Fiber——
Sugar2g6.06g
Sodium240mg727.27mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
3.85 lb1749g · 53 sv
Best Value
iHerb
Worldwide
US$104.68
US$1.98/sv
Buy Now
3.85 lb1749g · 53 servings
iHerb
Best Value
US$104.68
US$1.98/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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Optimum Nutrition Gold Standard® 100% Casein, Cookies & Cream
Optimum NutritionGold Standard® 100% Casein, Cookies & CreamProtein Powder · Sweet, Vanilla · Casein · #87 of 347 Protein Powders
Vegetarian
XRay Score
67/100
Weighted across
5 dimensions
Protein Efficiency21.8 g/100kcalValue for Money12.2 g/$Leanness47.8:1 P:FLow Carb—Fiber—
This productProtein Powder avg
Nutrition
/ serving 33g/ 100g
Calories110 kcal333 kcal
Protein24g73g
Fat0.5g1.5g
Carbs (total)3.0g9.1g
Fiber——
Sugar2.0g6.1g
Macro Split
110kcal/svg
Protein
85%
Fat
4%
Carbs
11%
Protein Powder Rankings
Value
Rank
Protein Efficiency
21.8 g/100kcal
#51/347
Value for Money
12.2 g/$
#182/234
Leanness
47.8:1 P:F
#19/313
Low Carb
—
—
Fiber
—
—
MacroXray logoMACROXRAY
Generated on Jun 14, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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