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Optimum Nutrition

Gold Standard® 100% Isolate, Rich Vanilla

Rich vanilla · Whey Protein Isolate · 30g serving

#74in Protein Powder(347)
✓ Gluten-Free✓ Vegetarian
1/2
XRay Score
70/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
25g
Protein /serving
—
Fiber /serving
100
kcal /serving
25.0g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
2.91 lb · 44 servings
US$1.74/serving
US$76.39 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #74 of 347 · XRay Score 70/100
  • Strength: Protein Efficiency (Top 1%)
  • Weakness: Value For Money (Bottom 66%)
  • Protein Source: Whey Isolate
  • Flavor: Vanilla
  • Dietary: Gluten-Free

Gold Standard® 100% Isolate, Rich Vanilla by Optimum Nutrition holds a solid ranking in the protein powder category with an XRay Score of 70/100, placing #74 out of 347. Its strongest dimension is protein efficiency (top 1%), delivering strong protein per calorie. On the flip side, price-to-protein ratio trails competitors (bottom 66% of the category). Built on whey isolate — a refined, fast-digesting protein with minimal fat and lactose. Flavor-wise, it features vanilla notes. It should also be noted that this product is gluten-free.

How It Ranks

Ranked against 347 products in this category.

XRay Score5D weighted score across all dimensions
#74 of 347
70/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#2 of 347
25.0g/100kcal25.0g/serving100th percentile
Value for Moneygrams of protein per unit of currency — higher is better
#154 of 234
14.4 g/US$34th percentile
Leannessprotein-to-fat ratio — higher is better
No data
——
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
···
#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
#74
Gold Standard® 100% Isolate, Rich Vanilla
Gold Standard® 100% Isolate, Rich Vanilla
Optimum Nutrition
25.0g/100kcal70
#75
Gold Standard® 100% Whey, Rocky Road
Gold Standard® 100% Whey, Rocky Road
Optimum Nutrition
20.0g/100kcal70
#76
Protein Powder, Chocolate Milkshake
Protein Powder, Chocolate Milkshake
Quest Nutrition
20.0g/100kcal69
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

100kcal/serving
Protein
96%
Fat
0%
Carbs
4%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (30g)Per 100g
Energy100kcal333.33kcal
Protein25g83.33g
Total Fat0g0g
Sat. Fat——
Carbohydrates1g3.33g
Fiber——
Sugar1g3.33g
Sodium80mg266.67mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
2.91 lb1320g · 44 sv
Best Value
iHerb
Worldwide
US$76.39
US$1.74/sv
Buy Now
2.91 lb1320g · 44 servings
iHerb
Best Value
US$76.39
US$1.74/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% Isolate, Rich Vanilla
Optimum NutritionGold Standard® 100% Isolate, Rich VanillaProtein Powder · Vanilla · Whey Isolate · #74 of 347 Protein Powders
Gluten-FreeVegetarian
XRay Score
70/100
Weighted across
5 dimensions
Protein Efficiency25.0 g/100kcalValue for Money14.4 g/$Leanness—Low Carb—Fiber—
This productProtein Powder avg
Nutrition
/ serving 30g/ 100g
Calories100 kcal333 kcal
Protein25g83g
Fat0.0g0.0g
Carbs (total)1.0g3.3g
Fiber——
Sugar1.0g3.3g
Macro Split
100kcal/svg
Protein
96%
Fat
0%
Carbs
4%
Protein Powder Rankings
Value
Rank
Protein Efficiency
25.0 g/100kcal
#2/347
Value for Money
14.4 g/$
#154/234
Leanness
—
—
Low Carb
—
—
Fiber
—
—
MacroXray logoMACROXRAY
Generated on Jun 14, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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