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Unripe Banana Calories
Higher resistant starch, lower sugar, source of fiber
CALORIES
GI
POTASSIUM
FIBER
Unripe Banana Nutrition Facts
Selected: 100 g
89
KCAL / 100G
Carbs
22.5g
· 94%
Protein
1.1g
· 5%
Fat
0.2g
· 1%
Fiber
2.6g
Unripe Banana Vitamins & Minerals
Vitamins
B6
0.37mg · 22% DV
Vitamin C
8.7mg · 10% DV
B5
0.33mg · 7% DV
B2
0.07mg · 5% DV
Minerals
Potassium ⭐
358mg · 11% DV
Magnesium
27mg · 6% DV
Phosphorus
22mg · 3% DV
Selenium
1µg · 2% DV
Unripe Banana Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Unripe Banana Processed?
NOVA 1
Unprocessed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Unripe Banana Contain Allergens?
No known major allergens
Which Diets Is Unripe Banana Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Unripe Banana Fat Profile
SATURATED
0.07g
MONOUNSATURATED
0.03g
POLYUNSATURATED
0.05g
Omega 6:3 ratio 1.5:1
Below the ideal 4:1 — a good omega balance.
Foods Similar to Unripe Banana
Unripe Banana — Frequently Asked Questions
Why does an unripe banana taste starchy and less sweet?
Its starch has not yet fully converted into natural sugars. That is why green bananas are firmer, less sweet, and may have a slightly astringent taste.
Can unripe bananas cause bloating or digestive discomfort?
They contain resistant starch, which can cause gas, bloating, or constipation in some people, especially when eaten in large amounts. Start with a small serving if you have a sensitive gut.
Are unripe bananas better for diarrhea or constipation?
Very green bananas can make stools firmer for some people and may worsen constipation in those prone to it. Cooked green banana is traditionally used in some diets during mild diarrhea, but persistent or severe diarrhea needs medical advice.
What is the best way to eat an unripe banana?
Pair it with yogurt, kefir, nut butter, or cinnamon to balance its mild, starchy flavor. It can also be blended into smoothies or cooked and mashed as a savory, potato-like side dish.
Is an unripe banana better before or after a workout?
Before exercise, its firm texture and resistant starch may feel heavy for people with sensitive digestion. It is often more comfortable after training or as part of a snack paired with a protein-containing food.
How is an unripe banana different from a ripe banana?
An unripe banana contains more starch and less naturally occurring sugar than a ripe one. Ripe bananas are softer, sweeter, and usually easier to digest, while green bananas have a more neutral, filling texture.
How can I ripen green bananas at home?
Leave them at room temperature away from direct sunlight. To speed ripening, place them in a loosely closed paper bag with an apple or pear, which releases ethylene gas.
Should unripe bananas be stored in the refrigerator?
Do not refrigerate bananas that you want to ripen, as cold temperatures slow ripening and can darken the peel early. Once they reach your preferred ripeness, refrigeration can extend storage briefly, even if the peel turns brown.
Can you freeze an unripe banana?
Yes. Peel and slice it first, then freeze it in an airtight container or freezer bag. It will become soft after thawing, so it works best in smoothies, purees, and cooked recipes.
Who should be cautious with unripe bananas?
People who have been advised to limit potassium because of kidney disease should discuss portion sizes with their clinician or dietitian. Those with frequent constipation, bloating, or irritable bowel symptoms may also tolerate smaller amounts better.
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Nutrition data compiled from USDA FoodData Central and scientific sources.