48/100

Grains & Bread

Weetabix

Moderate — Weetabix is neutral for fat-burning.

A wholegrain wheat cereal that is high-GI despite its fiber because it is finely processed.

The breakdown

Per serving: 2 biscuits (38g)

Glycemic load
16
Sugar (g)
2
Fiber (g)
4
Protein (g)
4

Glycemic index 74 · Carbs 26g · Fat 1g · Processing ultra-processed

What this means for fat-burning

A FatTonic Score of 48 places weetabix in the Moderate band. The score is dominated by its glycemic load of 16 (moderate — a noticeable but manageable rise).

The fiber slows digestion and blunts the insulin response. Being ultra-processed, it is also easy to overeat.

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Frequently asked questions

Does weetabix spike insulin?

Weetabix has a glycemic load of 16 and a FatTonic Score of 48 out of 100, which means it is neutral for fat-burning. A wholegrain wheat cereal that is high-GI despite its fiber because it is finely processed.

Is weetabix good for fat loss?

With a FatTonic Score of 48/100 (Moderate), weetabix is neutral for fat-burning. A wholegrain wheat cereal that is high-GI despite its fiber because it is finely processed.

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