Mangosteen is not keto: it has ~31 g of net carbs per 1 cup of pulp, against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
31 g
per 1 cup of pulp
These are the carbs that count on keto: total carbs minus fiber.
It has about 31.5 g of net carbs per cup, well over the keto limit.
Nutrition facts for mangosteen
1.2 g
Fat
0.8 g
Protein
3.5 g
Fiber
Why mangosteen is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; mangosteen has 31 g per 1 cup of pulp (35 g total − 3 g of fiber).
How much mangosteen can I eat on keto?
To stay under 5 g of net carbs, the limit is ~31 g of mangosteen. A better keto alternative is frutilla.
Best keto alternative
Related
No
Cantaloupe
13 g net
/ 1 cup, cubed
Yes
Blackberries
3 g net
/ 1/2 cup
No
Mango
46 g net
/ 1 medium fruit
No
Banana
23 g net
/ 1 medium banana
No
Blueberry
17 g net
/ 1 cup
In moderation
Pineapple
9 g net
/ 1 medium slice
See all: Keto fruits
Source: nutritional estimate (USDA-style reference) · Confidence: medium
Reviewed by the Ketorai team · Last updated: July 2, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Reviewed by the Ketorai team · Last updated: July 2, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Something off? Let us know.
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