Nutrition
Blood Glucose Spike
A blood glucose spike is a sharp post-meal rise in blood sugar. Protein, fiber, meal order, and post-meal walks blunt spikes better than avoiding all carbs.
A blood glucose spike is a rapid rise in blood sugar after eating—especially refined carbs without protein, fiber, or movement. Large spikes can drive reactive hunger, energy crashes, and poor sleep when they hit late at night.
Pairing carbs with protein, adding fiber, and walking after meals smooths curves more than fearing all carbohydrates.
Common questions
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Are glucose spikes always bad?
Some rise after meals is normal. Problems cluster when spikes are large, frequent, and followed by crashes—especially with poor sleep and low activity.
Related terms
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