Nutrition
Refeed Glucose Spike Rebound Pattern
Refeed glucose spike rebound pattern is a sharp post-fast glucose rise after carb-heavy break-fast meals—protein, fiber, and fat at the first meal often blunt the curve.
Refeed glucose spike rebound pattern is the post-fast glycemic surge when the first meal is mostly refined carbs and little protein—juice, pastry, or white rice alone after sixteen hours fasted. Liver glycogen refills and insulin responds sharply; continuous glucose monitors often show a tall peak that settles over one to two hours.
Protein, fiber, and fat at break-fast blunt the curve for many people. The pattern differs from dawn phenomenon morning elevation before eating.
Track trends, not one spike, with your clinician if prediabetes applies.
Common questions
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Why does glucose spike when I break my fast?
Refined carbs on an empty stomach after fasting often produce a sharp rise. Lead break-fast with protein and fiber, add carbs after, and review trends with your clinician if spikes stay large.
Related terms
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