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Optimum Nutrition

Gold Standard® 100% Whey, Chocolate Peanut Butter

Chocolate peanut butter · Whey Protein Concentrate, Whey Protein Isolate, Hydrolyzed Whey · 33g serving

#234in Protein Powder(347)
✓ Gluten-Free✓ Vegetarian✓ Sugar-Free
1/2
XRay Score
41/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
24g
Protein /serving
0g
Fiber /serving
130
kcal /serving
18.5g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
2 lb · 27 servings
US$1.85/serving
US$49.99 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #234 of 347 · XRay Score 41/100
  • Weakness: Value For Money (Bottom 74%)
  • Protein Source: Whey Isolate
  • Flavor: Chocolate, Nutty, And Sweet
  • Dietary: Gluten-Free

Gold Standard® 100% Whey, Chocolate Peanut Butter by Optimum Nutrition lands in the middle of the pack in the protein powder category with an XRay Score of 41/100, placing #234 out of 347. On the flip side, cost per gram of protein is relatively high (bottom 74% of the category). The protein here comes from whey isolate, known for its clean amino acid profile and rapid absorption. Flavor-wise, it features chocolate, nutty, and sweet notes. This product also is gluten-free.

How It Ranks

Ranked against 347 products in this category.

XRay Score5D weighted score across all dimensions
#234 of 347
41/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#183 of 347
18.5g/100kcal24.0g/serving47th percentile
Value for Moneygrams of protein per unit of currency — higher is better
#174 of 234
13.0 g/US$26th percentile
Leannessprotein-to-fat ratio — higher is better
#153 of 313
12.0:151st percentile
Low Carbnet carbs per 100g — lower is better
#142 of 229
12.1g/100g4.0g/serving38th percentile
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
···
#232
Gold Standard® 100% Whey, Chocolate Hazelnut
Gold Standard® 100% Whey, Chocolate Hazelnut
Optimum Nutrition
18.5g/100kcal41
#233
Sport, Vegan Protein with Pea Protein Isolate and Brown Rice Protein, Vanilla
Sport, Vegan Protein with Pea Protein Isolate and Brown Rice Protein, Vanilla
California Gold Nutrition
16.7g/100kcal41
#234
Gold Standard® 100% Whey, Chocolate Peanut Butter
Gold Standard® 100% Whey, Chocolate Peanut Butter
Optimum Nutrition
18.5g/100kcal41
#235
Essential Whey Protein (Vanilla)
Essential Whey Protein (Vanilla)
MyProtein
15.6g/100kcal41
#236
Warrior Blend Protein (Mocha)
Warrior Blend Protein (Mocha)
Sunwarrior
17.8g/100kcal40
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

130kcal/serving
Protein
74%
Fat
14%
Carbs
12%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (33g)Per 100g
Energy130kcal393.94kcal
Protein24g72.73g
Total Fat2g6.06g
Sat. Fat1g3.03g
Carbohydrates4g12.12g
Fiber0g0g
Sugar2g6.06g
Sodium190mg575.76mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
2 lb891g · 27 sv
Best Value
iHerb
Worldwide
US$49.99
US$1.85/sv
Buy Now
2 lb891g · 27 servings
iHerb
Best Value
US$49.99
US$1.85/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% Whey, Chocolate Peanut Butter
Optimum NutritionGold Standard® 100% Whey, Chocolate Peanut ButterProtein Powder · Chocolate, Nutty · Whey Isolate · #234 of 347 Protein Powders
Gluten-FreeVegetarianSugar-Free
XRay Score
41/100
Weighted across
5 dimensions
Protein Efficiency18.5 g/100kcalValue for Money13.0 g/$Leanness12.0:1 P:FLow Carb12.1g net/100gFiber—
This productProtein Powder avg
Nutrition
/ serving 33g/ 100g
Calories130 kcal394 kcal
Protein24g73g
Fat2.0g6.1g
Carbs (total)4.0g12g
Fiber0.0g0.0g
Sugar2.0g6.1g
Macro Split
130kcal/svg
Protein
74%
Fat
14%
Carbs
12%
Protein Powder Rankings
Value
Rank
Protein Efficiency
18.5 g/100kcal
#183/347
Value for Money
13.0 g/$
#174/234
Leanness
12.0:1 P:F
#153/313
Low Carb
12.1g net/100g
#142/229
Fiber
—
—
MacroXray logoMACROXRAY
Generated on Jun 9, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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