Is Banana keto?
Not keto
No — a medium banana has about 24g net carbs, one of the highest-sugar fruits and firmly off-limits on keto.
19/100
KarbZilla Keto Score
Avoid on keto
Fits a keto day: Under one serving
Macro split
3% fat4% protein92% carbs
Net carbs
24g
Protein
1.3g
Fat
0.4g
Calories
105
Values per 1 medium (118g), referenced from USDA FoodData Central. Reviewed by the KarbZilla team · how we score
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Bananas are essentially a sugar delivery system as far as keto is concerned.
Why they don't fit
At ~24g net carbs each, a single banana can blow your whole day's carb budget.
Keto swap
For banana-bread cravings, bake with mashed avocado or use banana extract with almond flour instead.