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Is sweet potato low FODMAP?
Moderate — small portions only
Quick answer
Sweet potato is moderate FODMAP at standard portions. Watch Mannitol (polyol). Safe portion: ≤ 1/2 杯.
Safe serving size
≤ 1/2 杯 (~75g)
FODMAP type
Mannitol (polyol)
Moderate. Safe in small portions but watch the threshold.
At a glance
Sweet potato is moderate FODMAP at standard servings. Trigger compounds: Mannitol (polyol).
Safe serving: ≤ 1/2 杯 (~75g).
Trigger threshold: > 75g (~75g).
Notes: 甘露醇敏感者需限量.
How to use this in real life
Sweet potato works in small portions. The single most common mistake: a typical “Western serving size” exceeds the threshold. Eyeball it carefully — measure once, eyeball thereafter.
Source
TTSH 新加坡医院 (confidence: 高). Educational content; consult a registered dietitian for personalized guidance.
Common questions
- Is Sweet potato low-FODMAP?
- It depends on the portion. Sweet potato is low-FODMAP in small servings but turns high-FODMAP as the amount increases — portion size is what matters. Safe serving: ≤ 1/2 杯 (~75g).
- What's a safe serving of Sweet potato?
- ≤ 1/2 杯 (~75g). Going above this can push it into high-FODMAP territory and trigger symptoms in sensitive people.
- Which FODMAPs are in Sweet potato?
- Mainly Mannitol (polyol). These are the carbohydrate groups that can trigger IBS symptoms when poorly absorbed.