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Optimum Nutrition

Gold Standard® 100% Casein, Creamy Vanilla

Creamy vanilla · Casein, Micellar Casein · 33g serving

#140in Protein Powder(347)
✓ Vegetarian
1/3
XRay Score
60/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
24g
Protein /serving
1g
Fiber /serving
120
kcal /serving
20.0g
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 #140 of 347 · XRay Score 60/100
  • Strength: Leanness (Top 6%)
  • Weakness: Value For Money (Bottom 78%)
  • Protein Source: Casein
  • Flavor: Sweet And Vanilla

Gold Standard® 100% Casein, Creamy Vanilla by Optimum Nutrition holds a solid ranking in the protein powder category with an XRay Score of 60/100, placing #140 out of 347. Its strongest dimension is leanness (top 6%), keeping fat content low relative to protein. On the flip side, cost per gram of protein is relatively high (bottom 78% of the category). Casein serves as the protein base, making it a popular choice for overnight or extended use. Flavor-wise, it features sweet and vanilla notes.

How It Ranks

Ranked against 347 products in this category.

XRay Score5D weighted score across all dimensions
#140 of 347
60/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#100 of 347
20.0g/100kcal24.0g/serving71st 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
#50 of 229
6.1g/100g2.0g/serving79th percentile
Fiberfiber per 100g — higher is better
#105 of 141
3.0g/100g1.0g/serving26th percentile

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
···
#138
Impact Pea Protein (Coffee & Walnut)
Impact Pea Protein (Coffee & Walnut)
MyVegan
18.3g/100kcal60
#139
Protein Powder, Peanut Butter
Protein Powder, Peanut Butter
Quest Nutrition
19.2g/100kcal60
#140
Gold Standard® 100% Casein, Creamy Vanilla
Gold Standard® 100% Casein, Creamy Vanilla
Optimum Nutrition
20.0g/100kcal60
#141
Gold Standard® 100% Whey, Extreme Milk Chocolate
Gold Standard® 100% Whey, Extreme Milk Chocolate
Optimum Nutrition
20.0g/100kcal60
#142
100% Whey Protein Blend (Peppermint Mocha)
100% Whey Protein Blend (Peppermint Mocha)
Ascent
20.8g/100kcal60
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
85%
Fat
4%
Carbs
11%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (33g)Per 100g
Energy120kcal363.64kcal
Protein24g72.73g
Total Fat0.5g1.52g
Sat. Fat——
Carbohydrates3g9.09g
Fiber1g3.03g
Sugar1g3.03g
Sodium230mg696.97mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
1.81 lb825g · 25 sv
iHerb
Worldwide
US$61.45
US$2.46/sv
Buy Now
1.81 lb825g · 25 servings
iHerb
US$61.45
US$2.46/serving
Worldwide
Buy
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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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% Casein, Creamy Vanilla
Optimum NutritionGold Standard® 100% Casein, Creamy VanillaProtein Powder · Sweet, Vanilla · Casein · #140 of 347 Protein Powders
Vegetarian
XRay Score
60/100
Weighted across
5 dimensions
Protein Efficiency20.0 g/100kcalValue for Money12.2 g/$Leanness47.8:1 P:FLow Carb6.1g net/100gFiber3.0 g/100g
This productProtein Powder avg
Nutrition
/ serving 33g/ 100g
Calories120 kcal364 kcal
Protein24g73g
Fat0.5g1.5g
Carbs (total)3.0g9.1g
Fiber1.0g3.0g
Sugar1.0g3.0g
Macro Split
120kcal/svg
Protein
85%
Fat
4%
Carbs
11%
Protein Powder Rankings
Value
Rank
Protein Efficiency
20.0 g/100kcal
#100/347
Value for Money
12.2 g/$
#182/234
Leanness
47.8:1 P:F
#19/313
Low Carb
6.1g net/100g
#50/229
Fiber
3.0 g/100g
#105/141
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Generated on Jun 14, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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