Are plantains keto?

Plantains

Not keto No — plantains are not keto-friendly.

Even starchier than bananas: a cup of boiled green plantain has about 36 g net carbs, and fried tostones and sweet maduros are no better.

Nutrition per serving

1 cup boiled · 137 g
Net carbs
36g
Calories
166kcal
Protein
1.5g
Fat
0.1g
Total carbs
40 g
Fiber
3.6 g
One serving vs. a 20 g daily net-carb limit 182%

About 18.8 g of plantains adds up to 5 g net carbs — about 14% of a typical serving.

Nutrition facts for plantains
NutrientPer servingPer 100 g
Calories166 kcal121 kcal
Total carbohydrate40 g29 g
Dietary fiber3.6 g2.6 g
Net carbs36 g27 g
Sugars 3.1 g 2.3 g
Protein1.5 g1.1 g
Fat0.1 g0.1 g

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Better keto swaps for plantains

Keto substitutes for potatoes 7 alternatives with carb comparisons and recipes Read guide

Frequently asked questions

Are plantains keto?

No — plantains are not keto-friendly. Even starchier than bananas: a cup of boiled green plantain has about 36 g net carbs, and fried tostones and sweet maduros are no better.

How many net carbs are in plantains?

1 cup boiled (137 g) of plantains has about 36 g net carbs (40 g total carbs minus 3.6 g fiber). Per 100 g, that's 27 g net carbs.

How much plantains can I eat on keto?

About 18.8 g of plantains adds up to 5 g net carbs — about 14% of a typical serving. On a typical 20 g daily limit, one serving uses about 182% of your carbs.

What is a good keto substitute for plantains?

More fruits

Full fruits list

Source: USDA FoodData Central (SR Legacy #168216): Plantains, green, boiled. Net carbs = total carbohydrate − fiber. Rating: Not keto — More than about 10 g net carbs per typical serving. Swap it for a low-carb alternative. How we rate foods. Last reviewed October 18, 2026.

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