MACROXRAY
Products
OptimizeCraveBenchmark
HomeProductsProtein BarProtein Bar, Lemon Cake
← Back to Protein Bar
Quest Nutrition

Protein Bar, Lemon Cake

Lemon cake · Whey Protein Isolate, Casein, Milk Protein Isolate · 60g serving

#6in Protein Bar(96)
✓ Gluten-Free✓ Vegetarian✓ Kosher
1/3
XRay Score
90/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
20g
Protein /serving
13g
Fiber /serving
180
kcal /serving
11.1g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
4 count · 4 servings
US$2.61/serving
US$10.45 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #6 of 96 · XRay Score 90/100
  • Strength: Protein Efficiency (Top 4%)
  • Protein Source: Milk Blend
  • Flavor: Fruity And Sweet
  • Dietary: Kosher Certified And Gluten-Free

Protein Bar, Lemon Cake by Quest Nutrition performs well above average in the protein bar category with an XRay Score of 90/100, placing #6 out of 96. Its strongest dimension is protein efficiency (top 4%), delivering strong protein per calorie. The protein comes from a milk protein blend, combining the benefits of both whey and casein. On the flavor front, expect fruity and sweet tones. It should also be noted that this product is Kosher certified and gluten-free.

How It Ranks

Ranked against 96 products in this category.

XRay Score5D weighted score across all dimensions
#6 of 96
90/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#5 of 96
11.1g/100kcal20.0g/serving96th percentile
Value for Moneygrams of protein per unit of currency — higher is better
#17 of 89
7.66 g/US$82nd percentile
Leannessprotein-to-fat ratio — higher is better
#8 of 93
2.9:192nd percentile
Low Carbnet carbs per 100g — lower is better
No data
——
Fiberfiber per 100g — higher is better
#15 of 91
21.7g/100g13.0g/serving84th percentile

Leaderboard

XRay Score — Protein Bar (96 products)

RankProductProtein Eff.g/100kcalScore/100
#1
Protein Bar, S'Mores
Protein Bar, S'Mores
Quest Nutrition
11.7g/100kcal94
···
#4
Protein Bar, Mint Chocolate Chunk
Protein Bar, Mint Chocolate Chunk
Quest Nutrition
11.1g/100kcal90
#5
Protein Bar, Double Chocolate Chunk
Protein Bar, Double Chocolate Chunk
Quest Nutrition
11.8g/100kcal90
#6
Protein Bar, Lemon Cake
Protein Bar, Lemon Cake
Quest Nutrition
11.1g/100kcal90
—
Protein Bar, Oatmeal Chocolate Chip
Protein Bar, Oatmeal Chocolate Chip
Quest Nutrition
11.1g/100kcal90
—
Protein Bar, Blueberrry Muffin
Protein Bar, Blueberrry Muffin
Quest Nutrition
11.1g/100kcal90
See all 96 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=96)
Learn more about our methodology →

Macro Split

180kcal/serving
Protein
56%
Fat
44%
Carbs
0%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (60g)Per 100g
Energy180kcal300kcal
Protein20g33.33g
Total Fat7g11.67g
Sat. Fat——
Carbohydrates——
Fiber13g21.67g
Sugar1g1.67g
Sodium210mg350mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
4 count240g · 4 sv
Best Value
iHerb
Worldwide
US$10.45
US$2.61/sv
Buy Now
4 count240g · 4 servings
iHerb
Best Value
US$10.45
US$2.61/serving
Worldwide
Buy
12 count720g · 12 sv
iHerb
Worldwide
US$33.06
US$2.76/sv
Buy Now
12 count720g · 12 servings
iHerb
US$33.06
US$2.76/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.

MACROXRAY

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

Product

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

Categories

  • Protein Powder
  • Clear Protein
  • RTD Shake
  • Protein Bar
  • Protein Crisps
  • Sweet Snack
  • Savoury Snack
  • Smoothie

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
Buy Now