A moderate serving can cross into mannitolSweet potato can fit a low-FODMAP meal at a modest serving. A large baked potato raises the mannitol and fiber dose.
FODMAP readPortion dependent
The FODMAP signal rises with the serving size, driven by mannitol.
01
Two ways it can happen
01
Mannitol is a polyol that can pull water into the bowel and feed fermentation.
02
Skin-on portions add fiber, which can increase gas when your usual intake is low.
02
Portion changes the test
Half a sweet potato is a better first test than a large loaded one.
03
Run a clean meal test
Measure a modest serving and pair it with plain protein. Keep onion, garlic and rich toppings out of the meal.
Snap each meal, tap how you feel an hour later, and get a ranked Trigger Report based on your own logs.
Sources and scope
We use these references for the general digestive mechanisms on this page. Food tolerance still depends on your portion, preparation and health history.
This page provides general information, not a diagnosis. Talk to a clinician about severe or persistent bloating, vomiting, blood in your stool, fever or unexplained weight loss. Ask about celiac testing before removing gluten from your diet.