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Quest Nutrition

Protein Powder, Peanut Butter, 3 lbs (1.36 kg)

Peanut butter · Whey Protein Isolate, Casein, Micellar Casein, Milk Protein Isolate · 31g serving

#66in Protein Powder(129)
✓ Gluten-Free✓ Kosher
1/2
XRay Score
54/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
23g
Protein /serving
0g
Fiber /serving
120
kcal /serving
19.2g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
3 lb
US$51.73 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #66 of 129 · XRay Score 54/100
  • Strength: Low Carb (Top 17%)
  • Protein Source: Milk Blend
  • Flavor: Nutty
  • Dietary: Kosher Certified And Gluten-Free

Protein Powder, Peanut Butter, 3 lbs (1.36 kg) by Quest Nutrition scores around the category average in the protein powder category with an XRay Score of 54/100, placing #66 out of 129. Its strongest dimension is low carb (top 17%), with very low net carbs. The protein comes from a milk protein blend, combining the benefits of both whey and casein. It comes in a nutty flavor profile. Notably, as stated, this product is Kosher certified and gluten-free.

How It Ranks

Ranked against 129 products in this category.

XRay Score5D weighted score across all dimensions
#66 of 129
54/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#71 of 129
19.2g/100kcal23.0g/serving45th percentile
Value for Moneygrams of protein per unit of currency — higher is better
No data
——
Leannessprotein-to-fat ratio — higher is better
#68 of 124
15.3:146th percentile
Low Carbnet carbs per 100g — lower is better
#15 of 83
6.5g/100g2.0g/serving83rd percentile
Fiberfiber per 100g — higher is better
No data
——

Leaderboard

XRay Score — Protein Powder (129 products)

RankProductProtein Eff.g/100kcalScore/100
#1
ISO100® Hydrolyzed, 100% Whey Protein Isolate, Fruity Pebbles, 3 lb (1.4 kg)
ISO100® Hydrolyzed, 100% Whey Protein Isolate, Fruity Pebbles, 3 lb (1.4 kg)
Dymatize
22.7g/100kcal98
—
ISO100® Hydrolyzed, 100% Whey Protein Isolate, Gourmet Vanilla, 5 lb (2.3 kg)
ISO100® Hydrolyzed, 100% Whey Protein Isolate, Gourmet Vanilla, 5 lb (2.3 kg)
Dymatize
22.7g/100kcal98
···
#65
Gold Standard® 100% Whey, Cookies & Cream, 1.85 lb (837 g)
Gold Standard® 100% Whey, Cookies & Cream, 1.85 lb (837 g)
Optimum Nutrition
20.0g/100kcal54
#66
Protein Powder, Peanut Butter, 3 lbs (1.36 kg)
Protein Powder, Peanut Butter, 3 lbs (1.36 kg)
Quest Nutrition
19.2g/100kcal54
—
Protein Powder, Peanut Butter, 1.6 lb (726 g)
Protein Powder, Peanut Butter, 1.6 lb (726 g)
Quest Nutrition
19.2g/100kcal54
···
#68
Gold Standard® 100% Whey, Banana Cream, 2 lbs (907 g)
Gold Standard® 100% Whey, Banana Cream, 2 lbs (907 g)
Optimum Nutrition
18.5g/100kcal54
See all 129 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=129)
Learn more about our methodology →

Macro Split

120kcal/serving
Protein
81%
Fat
12%
Carbs
7%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (31g)Per 100g
Energy120kcal387.1kcal
Protein23g74.19g
Total Fat1.5g4.84g
Sat. Fat0g0g
Carbohydrates2g6.45g
Fiber0g0g
Sugar1g3.23g
Sodium200mg645.16mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
3 lb
iHerb
Worldwide
US$51.73
—
Buy Now
3 lb
iHerb
US$51.73
—
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.

MACROXRAY

Your Protein. Your Rules. Ranked. We rank based on published nutrition data — no sponsored rankings, no mystery grades. Just numbers.

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