Evidence check: Glukose in the context of Müdigkeit

The claim that glucose fluctuations directly cause fatigue is only weakly supported by evidence. While studies show that reactive hypoglycemia after high-carb meals can trigger fatigue in some individuals, the general link between glucose levels and fatigue in healthy people is not robust. Many direct-to-consumer tests (e.g., continuous glucose monitors) market this connection without strong clinical data. Individual glucose response is highly variable and depends on diet, sleep, stress, and microbiome. A normal fasting glucose does not rule out dysregulation, but without medical evaluation (e.g., oral glucose tolerance test), home tests have limited utility. Caution: fatigue has many causes (iron deficiency, thyroid, sleep quality). An evidence-based approach is to consult a doctor for persistent fatigue before relying on glucose monitoring.