Croissant
Poor — Croissant works against fat-burning.
Refined white flour plus butter: a high glycemic load with added fat, so it spikes insulin and packs a lot of calories per bite.
The breakdown
Per serving: 1 medium (60g)
Glycemic index 67 · Carbs 26g · Fat 12g · Processing ultra-processed
What this means for fat-burning
A FatTonic Score of 39 places croissant in the Poor band. The score is dominated by its glycemic load of 17 (moderate — a noticeable but manageable rise).
Being ultra-processed, it is also easy to overeat.
See how your whole day scores — free Metabolic Score →Frequently asked questions
Does croissant spike insulin?
Croissant has a glycemic load of 17 and a FatTonic Score of 39 out of 100, which means it works against fat-burning. Refined white flour plus butter: a high glycemic load with added fat, so it spikes insulin and packs a lot of calories per bite.
Is croissant good for fat loss?
With a FatTonic Score of 39/100 (Poor), croissant works against fat-burning. Refined white flour plus butter: a high glycemic load with added fat, so it spikes insulin and packs a lot of calories per bite.
Better swaps
More grains & bread
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