FoodsComparisons

Cornflakes vs rolled oats for acne

By SpotBite · Sources: 13 studies · one typical serving of each, on its own · Updated 2026-09-16

Cornflakes scores 67/100 (WARN) and rolled oats scores 77/100 (GOOD) on SpotBite's Skin Score. Rolled oats is the safer choice by 10 points, and the gap comes mostly from glycemic load.

Cornflakes 67 WARN

Cornflakes

one serving · 30 g

Rolled oats 77 GOOD

Rolled oats

one serving · 40 g

Where the gap comes from

Evidence: Smith 2007 RCT (n=43): a low-glycemic-load diet for 12 weeks lowered acne lesion count by 23.5 on average, versus 12 on the control diet (study). All 13 sources.

Score breakdown, side by side

CornflakesRolled oats
Glycemic (of 50)GL 20.3
−32.2
GL 14.9
−25.5
Dairy (of 25)0 g
0
0 g
0
Inflammation (of 25)0.1 g sat · 0.2 g ω-6
−0.6
0.5 g sat · 0.9 g ω-6
−2.9
Skin Boost (of 25)0 g ω-3 · low polyphenols
0
0 g ω-3 · medium polyphenols
+5
Skin Score67 · WARN77 · GOOD

Estimates for a typical serving. Real foods vary by brand and recipe.

Verdict

If you are acne-prone, rolled oats is the better pick of the two.

Not medical advice. Both scores are for the food on its own. What you eat with it changes the result, and breakouts usually show up 3 to 7 days after a meal. Diet is one factor among many.

See your own pattern

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Get SpotBite More on cornflakes · More on rolled oats

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