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Corn flakes vs Instant oats

Instant oats has the lower glycemic index: 79 versus 81, a 2-point difference. For steadier glucose, it's the gentler pick.

Corn flakes
Glycemic index
81High
Glycemic load
21/ 1 cup
Instant oats
Glycemic index
79High
Glycemic load
21/ 1/2 cup dry

Glycemic index measures how fast a food raises blood glucose; glycemic load adjusts that for a real serving. The surest read is your own. Log a post-meal reading after each and compare.

Values are rounded published references and vary with ripeness and preparation. General information, not medical advice. Back to the full glycemic index.

See how foods land for you

A reference is a starting point. Your own numbers are the real story: log a reading after a meal, add a quick note, and SteadyRange shows you the patterns, on a private log you control.