ShackBurger vs Shack Stack: Which Is Healthier?
By Nom Score, the ShackBurger is the healthier choice — it scores 54/100 (a C) to the Shack Stack’s 51 (a C). The ShackBurger has 500 calories to the Shack Stack’s 770. The Shack Stack has more protein (40g vs 29g), while the ShackBurger has less sodium (1,250 vs 1,700 mg).
Full nutrition, side by side
Every value as published by the restaurant. A green check marks the better figure in each row; carbohydrates are shown without a winner because lower isn’t automatically better.
| Per item | ShackBurger |
Shack Stack |
|---|---|---|
| Nom Score | 54C✓ | 51C |
| Calories | 500✓ | 770 |
| Protein (g) | 29 | 40✓ |
| Total fat (g) | 30✓ | 45 |
| Saturated fat (g) | 12✓ | 18 |
| Sodium (mg) | 1,250✓ | 1,700 |
| Total carbs (g) | 26 | 50 |
| Fiber (g) | 0 | 0 |
| Sugars (g) | 6✓ | 7 |
| Protein / 100 cal | 5.8g✓ | 5.2g |
| Sodium / 100 cal | 250 | 221✓ |
Methodology. Nutrition is as published by Shake Shack and Shake Shack, current as of June 27, 2026. The Nom Score grades each item A–F on sodium, saturated fat, sugar, portion size, fiber, and protein per calorie against FDA Daily Values.
We compare published nutrition data only; the verdict is by Nom Score, not taste. Values may vary by location and over time. Product names and trademarks belong to their owners; Nom is an independent guide.
Frequently asked
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Nom grades every fast food menu item A–F by the Nom Score, so you can order the best option at any restaurant.