Instant Oatmeal
Poor — Instant Oatmeal works against fat-burning.
Finely milled and often sweetened, so it spikes far more than steel-cut oats.
The breakdown
Per serving: 1 packet (40g)
Glycemic index 79 · Carbs 28g · Fat 2g · Processing ultra-processed
What this means for fat-burning
A FatTonic Score of 30 places instant oatmeal in the Poor band. The score is dominated by its glycemic load of 20 (high — a steep glucose and insulin response).
Being ultra-processed, it is also easy to overeat.
See how your whole day scores — free Metabolic Score →Frequently asked questions
Does instant oatmeal spike insulin?
Instant Oatmeal has a glycemic load of 20 and a FatTonic Score of 30 out of 100, which means it works against fat-burning. Finely milled and often sweetened, so it spikes far more than steel-cut oats.
Is instant oatmeal good for fat loss?
With a FatTonic Score of 30/100 (Poor), instant oatmeal works against fat-burning. Finely milled and often sweetened, so it spikes far more than steel-cut oats.
Better swaps
More grains & bread
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