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Blood sugar naturally rises after eating, especially when we consume carbohydrates. This is a normal part of digestion, as the body breaks down food into glucose for energy. Insulin then helps move glucose from the bloodstream into our cells. While consistently high blood sugar can be a concern, occasional spikes are not necessarily harmful, particularly in people with healthy glucose regulation. Rather than worrying about every fluctuation, it’s more useful to focus on overall eating habits, physical activity, and long-term blood sugar patterns.
Source
Shah VN, DuBose SN, Li Z, et al. Continuous glucose monitoring profiles in healthy nondiabetic participants: a multicenter prospective study. J Clin Endocrinol Metab. 2019;104(10):4356-4364. doi:10.1210/jc.2018-02763
Additional Reading
https://www.bbc.com/future/article/20261002-do-non-diabetics-need-to-measure-their-blood-sugar
https://www.health.com/blood-sugar-spikes-without-diabetes-11953583
https://www.eatingwell.com/healthy-diet-blood-sugar-spike-signs-12159513