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Quest Nutrition

Protein Bar, Birthday Cake

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

#26in Protein Bar(433)
✓ Gluten-Free✓ Vegetarian✓ Kosher
1/3
XRay Score
83/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
20g
Protein /serving
12g
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 #26 of 433 · XRay Score 83/100
  • Strength: Protein Efficiency (Top 6%)
  • Protein Source: Milk Blend
  • Flavor: Sweet And Vanilla
  • Dietary: Kosher Certified And Gluten-Free

Protein Bar, Birthday Cake by Quest Nutrition earns a strong position in the rankings in the protein bar category with an XRay Score of 83/100, placing #26 out of 433. Its strongest dimension is protein efficiency (top 6%), packing impressive protein density per calorie. It uses a milk protein blend, offering both fast- and slow-release amino acids. Flavor-wise, it features sweet and vanilla notes. This product also is Kosher certified and gluten-free.

How It Ranks

Ranked against 433 products in this category.

XRay Score5D weighted score across all dimensions
#26 of 433
83/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#26 of 433
11.1g/100kcal20.0g/serving94th percentile
Value for Moneygrams of protein per unit of currency — higher is better
#101 of 401
7.66 g/US$75th percentile
Leannessprotein-to-fat ratio — higher is better
#87 of 419
2.9:179th percentile
Low Carbnet carbs per 100g — lower is better
#104 of 379
21.7g/100g13.0g/serving73rd percentile
Fiberfiber per 100g — higher is better
#48 of 366
20.0g/100g12.0g/serving87th 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
···
#24
Protein Bar, Lemon Cake
Protein Bar, Lemon Cake
Quest Nutrition
11.1g/100kcal84
#25
Protein Bar, Chocolate Chip Cookie Dough
Protein Bar, Chocolate Chip Cookie Dough
Quest Nutrition
11.1g/100kcal84
#26
Protein Bar, Birthday Cake
Protein Bar, Birthday Cake
Quest Nutrition
11.1g/100kcal83
#27
Protein Bar, White Chocolate Raspberry
Protein Bar, White Chocolate Raspberry
Quest Nutrition
10.5g/100kcal82
#28
Pure Protein Bars (Chocolate Deluxe)
Pure Protein Bars (Chocolate Deluxe)
Pure Protein
11.7g/100kcal82
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

180kcal/serving
Protein
33%
Fat
26%
Carbs
41%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (60g)Per 100g
Energy180kcal300kcal
Protein20g33.33g
Total Fat7g11.67g
Sat. Fat4g6.67g
Carbohydrates25g41.67g
Fiber12g20g
Sugar——
Sodium250mg416.67mg

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
Amazon SG
Singapore
S$43.15
S$3.60/sv
Buy Now
12 count720g · 12 servings
Amazon SG
S$43.15
US$33.49
S$3.60/serving
Singapore
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.

Featured In

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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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Quest Nutrition Protein Bar, Birthday Cake
Quest NutritionProtein Bar, Birthday CakeProtein Bar · Sweet, Vanilla · Milk Blend · #26 of 433 Protein Bars
Gluten-FreeVegetarianKosher
XRay Score
83/100
Weighted across
5 dimensions
Protein Efficiency11.1 g/100kcalValue for Money7.7 g/$Leanness2.9:1 P:FLow Carb21.7g net/100gFiber20.0 g/100g
This productProtein Bar avg
Nutrition
/ serving 60g/ 100g
Calories180 kcal300 kcal
Protein20g33g
Fat7.0g12g
Carbs (total)25g42g
Fiber12g20g
Sugar——
Macro Split
180kcal/svg
Protein
33%
Fat
26%
Carbs
41%
Protein Bar Rankings
Value
Rank
Protein Efficiency
11.1 g/100kcal
#26/433
Value for Money
7.7 g/$
#101/401
Leanness
2.9:1 P:F
#87/419
Low Carb
21.7g net/100g
#104/379
Fiber
20.0 g/100g
#48/366
MacroXray logoMACROXRAY
Generated on Jun 9, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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