Keto Options at Jack in the Box
Quick Answer: Yes, though the menu is thin — Jack in the Box has 2 keto options. The best — and the lowest-carb — is the Side Salad (20 cal, 1g protein, Nom Score A).
Top Keto Picks at Jack in the Box
Jack in the Box’s 2 keto options are led by the Side Salad: Nom Score A (85/100), 20 calories, 1g protein, and 10mg sodium. The Chicken Club Salad with Grilled Chicken carries the most protein at 39g. Figures are computed from Jack in the Box’s published nutrition data (June 2026).
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What to Avoid
These items at Jack in the Box don’t meet keto criteria:
Pro Tips: How to Order Keto at Jack in the Box
Common questions about keto at Jack in the Box
Is Jack in the Box good for keto diets?
Jack in the Box has 2 keto options; the best is the Side Salad (Nom Score A). For more variety, Jersey Mike’s Subs has 24 keto options.
What’s the best keto option at Jack in the Box?
The Side Salad is the best choice with 20 calories, 1g protein, and a Nom Score of A.
What is the lowest-carb item at Jack in the Box?
The lowest-carb option at Jack in the Box is the Side Salad with 2g net carbs (20 cal).
Nutrition data verified. Calorie counts and macros are taken from Jack in the Box’s official published nutrition data. How the Nom Score works →
Find the healthiest option, anywhere
Nom grades every fast food menu item A–F by the Nom Score, so you can order the best option at any restaurant.