MacroXray logoMACROXRAY
Products
OptimizeCraveBenchmark
HomeProductsProtein BarProtein Bar (Key Lime Pie)
← Back to Protein Bar
Barebells

Protein Bar (Key Lime Pie)

Key Lime Pie · Calcium Caseinate, Whey Protein Isolate, Whey Protein Concentrate, Bovine Collagen Hydrolysate, Soy Protein Isolate · 55g serving

#82in Protein Bar(433)
Collagen
1/3
XRay Score
72/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
20g
Protein /serving
3g
Fiber /serving
200
kcal /serving
10.0g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
Amazon USBest value
12-Pack · 12 servings
US$2.58/serving
US$30.99 for pack
Buy Now
Ships to: USA
🇺🇸 Prices in USD
Affiliate link · we may earn a small commission
View more buying options

XRay Summary

  • Ranks #82 of 433 · XRay Score 72/100
  • Strength: Protein Efficiency (Top 18%)
  • Weakness: Fiber (Bottom 70%)
  • Protein Source: Milk Blend

Protein Bar (Key Lime Pie) by Barebells scores above average overall in the protein bar category with an XRay Score of 72/100, placing #82 out of 433. Its strongest dimension is protein efficiency (top 18%), packing impressive protein density per calorie. On the flip side, fiber isn't a strong point here (bottom 70% of the category). It uses a milk protein blend, offering both fast- and slow-release amino acids.

How It Ranks

Ranked against 433 products in this category.

XRay Score5D weighted score across all dimensions
#82 of 433
72/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#81 of 433
10.0g/100kcal20.0g/serving82nd percentile
Value for Moneygrams of protein per unit of currency — higher is better
#96 of 401
7.75 g/US$76th percentile
Leannessprotein-to-fat ratio — higher is better
#81 of 419
2.9:181st percentile
Low Carbnet carbs per 100g — lower is better
#158 of 379
27.3g/100g15.0g/serving59th percentile
Fiberfiber per 100g — higher is better
#257 of 366
5.5g/100g3.0g/serving30th percentile

Leaderboard

XRay Score — Protein Bar (433 products)

RankProductProtein Eff.g/100kcalScore/100
#1
David Protein Bar, Cake Batter
David Protein Bar, Cake Batter
David
18.7g/100kcal97
···
#80
High Protein Bars, Cookies & Cream
High Protein Bars, Cookies & Cream
think!
8.7g/100kcal72
#81
BUILT Bar Puff Protein Bars (Cookie Dough Chunk)
BUILT Bar Puff Protein Bars (Cookie Dough Chunk)
Built
9.4g/100kcal72
#82
Protein Bar (Key Lime Pie)
Protein Bar (Key Lime Pie)
Barebells
10.0g/100kcal72
#83
Snack, Lemon Bar
Snack, Lemon Bar
Atkins
8.7g/100kcal71
#84
Grass-Fed Whey Protein Bar, Peanut Butter Chocolate Chip
Grass-Fed Whey Protein Bar, Peanut Butter Chocolate Chip
Atlas Bar
9.5g/100kcal70
See all 433 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=433)
Learn more about our methodology →

Macro Split

200kcal/serving
Protein
37%
Fat
29%
Carbs
34%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (55g)Per 100g
Energy200kcal363.64kcal
Protein20g36.36g
Total Fat7g12.73g
Sat. Fat3.5g6.36g
Carbohydrates18g32.73g
Fiber3g5.45g
Sugar1g1.82g
Sodium140mg254.55mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
12-Pack660g · 12 sv
Best Value
Amazon US
USA
US$30.99
US$2.58/sv
Buy Now
12-Pack660g · 12 servings
Amazon US
Best Value
US$30.99
US$2.58/serving
USA
Buy
Prices shown in each retailer's original currency. Shipping availability and delivery to your country depend on the retailer. Affiliate disclosure: when you click a “Buy” link and make a purchase, we may earn a small commission at no extra cost to you.

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 logoMACROXRAY

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

Featured onBoworaMacroXray - Featured on Startup Fame

Product

  • Optimize
  • Crave
  • Benchmark
  • Products
  • Articles
  • Brands

Categories

  • Protein Powder
  • Clear Protein
  • RTD Shake
  • Protein Bar
  • Protein Crisps
  • Sweet Snack
  • Savoury Snack
  • Smoothie
  • Cooking Mix
  • Fresh & Chilled
  • Other

Company

  • About
  • Methodology
  • FAQ
  • Affiliate Disclosure
  • Privacy Policy
  • Terms of Service
  • Contact Us
© 2026 MacroXray. All rights reserved.
Text size
Some links are affiliate links. Affiliate disclosure
Barebells Protein Bar (Key Lime Pie)
BarebellsProtein Bar (Key Lime Pie)Protein Bar · Other · Milk Blend · #82 of 433 Protein Bars
XRay Score
72/100
Weighted across
5 dimensions
Protein Efficiency10.0 g/100kcalValue for Money7.7 g/$Leanness2.9:1 P:FLow Carb27.3g net/100gFiber5.5 g/100g
This productProtein Bar avg
Nutrition
/ serving 55g/ 100g
Calories200 kcal364 kcal
Protein20g36g
Fat7.0g13g
Carbs (total)18g33g
Fiber3.0g5.5g
Sugar1.0g1.8g
Macro Split
200kcal/svg
Protein
37%
Fat
29%
Carbs
34%
Protein Bar Rankings
Value
Rank
Protein Efficiency
10.0 g/100kcal
#81/433
Value for Money
7.7 g/$
#96/401
Leanness
2.9:1 P:F
#81/419
Low Carb
27.3g net/100g
#158/379
Fiber
5.5 g/100g
#257/366
MacroXray logoMACROXRAY
Generated on Jun 23, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
Buy Now