Quest

Quest Birthday Cake Protein Bar

60g serving · 200 kcal · 21g protein

Platinum tier Complete Sucralose Protein Density
42% of calories from protein

10.5g protein per 100 cal

Leucine: 2.21 g per serving

What this means: Elite efficiency — 40%+ of calories from protein. Lean meat, whey isolate, low-fat dairy. 42% puts this in the Platinum tier — a genuinely high-protein pick — every bite is mostly protein.

How it ranks in bars

56%percentile

More efficient than 56% of bars

By protein per 100 cal · vs. other bars in our database

Percentile by protein per 100 cal vs. other bars in our database. See the methodology .

Nutrition facts

Serving size 60 g
Calories 200 kcal
Protein 21 g
Protein per 100 cal 10.5 g
Carbohydrates 23 g
Fat 8 g
Sugar 1 g
Fiber 14 g
Sodium 280 mg
Leucine 2.21 g

Per 60g serving. See the methodology for how Protein Density is calculated.

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Chocolate Brownie Protein Bar
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% of calories from protein
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Quest
Chocolate Chip Cookie Dough Protein Bar
42% Platinum
% of calories from protein
21g protein 200 kcal
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Quest
Cookies and Cream Protein Bar
42% Platinum
% of calories from protein
21g protein 200 kcal
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Barebells
Caramel Cashew Protein Bar
40% Platinum
% of calories from protein
20g protein 200 kcal
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Creamy Crisp Protein Bar
40% Platinum
% of calories from protein
20g protein 200 kcal
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Source: Manufacturer label. Reference ID: quest-birthday-cake. Last verified 2026-05-17. Always check the on-pack label — manufacturers update formulations.

Rank 3 of 10 by protein density

ALOHA Chocolate Chip Cookie Dough: 23.3% Barebells Caramel Cashew Protein Bar: 40% Barebells Creamy Crisp Protein Bar: 40% Built Salted Caramel Protein Bar: 37.8% David Chocolate Chip Cookie Dough Protein Bar: 74.7% Quest Birthday Cake Protein Bar: 42% Quest Chocolate Brownie Protein Bar: 44.4% Quest Chocolate Chip Cookie Dough Protein Bar: 42% Quest Cookies and Cream Protein Bar: 42% RXBAR Chocolate Chip Protein Bar: 22.9% THIS ITEM · 42% 22.9% 74.7%

Step through the ranking

David Chocolate Chip Cookie Dough Protein Bar 74.7% Quest Chocolate Brownie Protein Bar 44.4%
Quest Birthday Cake Protein Bar 42%
Quest Chocolate Chip Cookie Dough Protein Bar 42% Quest Cookies and Cream Protein Bar 42%
Same category hub Same protein source · Whey Cheaper per 10 g Compare

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