May 30, 2026
The continuous glucose monitor shows a spike. The person took their medication exactly as prescribed. The spike came from a white biscuit eaten alone.
Refined carbohydrates are absorbed more rapidly because processing removes much of the original fiber structure. Liquid carbohydrates are absorbed quickly, which is why sugary drinks often raise blood sugar rapidly. GLP-1 medications already slow gastric emptying — which usually helps blood sugar rise more gradually after meals — but large amounts of refined sugar can still produce rapid glucose rises and may worsen nausea, shakiness, energy fluctuations, or bloating.

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