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
More efficient than 60% 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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Source: Manufacturer label.
Reference ID: quest-birthday-cake.
Last verified 2026-05-17.
Always check the on-pack label — manufacturers update formulations.