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MyProtein

Impact Protein Bar (Peanut Butter)

Peanut Butter · Soya Protein Isolate, Milk Proteins, Whey Protein Concentrate (Milk), Hydrolysed Whey Protein (Milk), Calcium Caseinate (Milk), Milk Protein Concentrate · 64g serving

#80in Protein Bar(245)
1/3
XRay Score
66/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
20g
Protein /serving
6.5g
Fiber /serving
235
kcal /serving
8.5g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
Myprotein InternationalBest value
12 x 64g Box · 12 servings
US$2.43/serving(approx.)
US$29.10 for pack
Buy Now
Check retailer for shipping
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #80 of 245 · XRay Score 66/100
  • Strength: Value For Money (Top 13%)
  • Weakness: Fiber (Bottom 66%)
  • Protein Source: Milk Blend

Impact Protein Bar (Peanut Butter) by MyProtein holds a solid ranking in the protein bar category with an XRay Score of 66/100, placing #80 out of 245. Its strongest dimension is value for money (top 13%), standing out on cost-effectiveness. On the flip side, it doesn't contribute much dietary fiber (bottom 66% of the category). The protein comes from a milk protein blend, combining the benefits of both whey and casein.

How It Ranks

Ranked against 245 products in this category.

XRay Score5D weighted score across all dimensions
#80 of 245
66/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#91 of 245
8.5g/100kcal20.0g/serving63rd percentile
Value for Moneygrams of protein per unit of currency — higher is better
#30 of 228
8.24 g/US$87th percentile
Leannessprotein-to-fat ratio — higher is better
#87 of 240
2.3:164th percentile
Low Carbnet carbs per 100g — lower is better
#84 of 211
22.6g/100g14.5g/serving61st percentile
Fiberfiber per 100g — higher is better
#148 of 223
10.2g/100g6.5g/serving34th percentile

Leaderboard

XRay Score — Protein Bar (245 products)

RankProductProtein Eff.g/100kcalScore/100
#1
Protein Bar, S'Mores
Protein Bar, S'Mores
Quest Nutrition
11.7g/100kcal91
···
#78
Layered Bar Gingerbread (Gingerbread - Limited Edition)
Layered Bar Gingerbread (Gingerbread - Limited Edition)
MyProtein
8.8g/100kcal66
—
Layered Protein Bar (Limited Edition Gingerbread)
Layered Protein Bar (Limited Edition Gingerbread)
MyProtein
8.8g/100kcal66
···
#80
Impact Protein Bar (Peanut Butter)
Impact Protein Bar (Peanut Butter)
MyProtein
8.5g/100kcal66
#81
Layered Protein Bar (Chocolate Easter Egg)
Layered Protein Bar (Chocolate Easter Egg)
MyProtein
8.8g/100kcal66
—
Layered Protein Bar (Festive Baubles)
Layered Protein Bar (Festive Baubles)
MyProtein
8.8g/100kcal66
See all 245 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 Bar(n=245)
Learn more about our methodology →

Macro Split

235kcal/serving
Protein
33%
Fat
33%
Carbs
34%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (64g)Per 100g
Energy235kcal367.19kcal
Protein20g31.25g
Total Fat8.8g13.75g
Sat. Fat3.6g5.62g
Carbohydrates21g32.81g
Fiber6.5g10.16g
Sugar2.3g3.59g
Sodium112mg175mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
12 x 64g Box768g · 12 sv
Best Value
Myprotein International
AD, AL + 57 more
£22.99
£1.92/sv
Buy Now
12 x 64g Box768g · 12 servings
Myprotein International
Best Value
£22.99
US$29.10
£1.92/serving
AD, AL + 57 more
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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