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KitKat

Moderate
4 fingersabout 45 g

Tested serving sizes

Tested serving sizes for KitKat and their Gut Friendly rating
ServingAmountMain FODMAPRating
4 fingers45 gLactose 0.6 gModerate

Breakdown for 4 fingers

0.2gFructose
0.6gLactose
0.3gFructans
0gGOS
0gSorbitol
0gMannitol
4 fingersabout 45 g
Fructose and Fructans reads high on its own limits here, even though 4 fingers is rated moderate overall. The rating comes from testing the serving as a whole. If that group is one you react to, treat this portion with more caution than the rating alone suggests.